diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 40be57d..52e6177 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -1,3 +1,5 @@
+import java.util.Properties
+
 plugins {
     alias(libs.plugins.android.application)
     alias(libs.plugins.kotlin.android)
@@ -7,6 +9,10 @@ plugins {
     alias(libs.plugins.kotlin.serialization)
 }
 
+val properties = Properties().apply {
+    load(rootProject.file("local.properties").inputStream())
+}
+
 android {
     namespace = "org.sopt.and"
     compileSdk = 34
@@ -19,6 +25,12 @@ android {
         versionName = "1.0"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+
+        buildConfigField(
+            "String",
+            "BASE_URL",
+            properties.getProperty("base.url")
+        )
     }
 
     buildTypes {
@@ -39,6 +51,7 @@ android {
     }
     buildFeatures {
         compose = true
+        buildConfig = true
     }
 }
 
@@ -83,4 +96,12 @@ dependencies {
 
     //coil
     implementation(libs.coil)
+
+    //retrofit
+    implementation(libs.okhttp)
+    implementation(libs.okhttp.logging)
+    implementation(platform(libs.okhttp.bom))
+    implementation(libs.retrofit)
+    implementation(libs.retrofit)
+    implementation(libs.retrofit.kotlinx.serialization.converter)
 }
\ No newline at end of file
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 6de7a59..f41f49f 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -14,6 +14,7 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.ANDANDROID"
+        android:usesCleartextTraffic="true"
         tools:targetApi="31">
         <activity
             android:name=".presentation.main.MainActivity"
diff --git a/app/src/main/java/org/sopt/and/core/data/di/RepositoryModule.kt b/app/src/main/java/org/sopt/and/core/data/di/RepositoryModule.kt
deleted file mode 100644
index 57a6bf4..0000000
--- a/app/src/main/java/org/sopt/and/core/data/di/RepositoryModule.kt
+++ /dev/null
@@ -1,36 +0,0 @@
-package org.sopt.and.core.data.di
-
-import dagger.Binds
-import dagger.Module
-import dagger.hilt.InstallIn
-import dagger.hilt.components.SingletonComponent
-import org.sopt.and.core.data.repository.PopularProgramRepository
-import org.sopt.and.core.data.repository.RecommendationRepository
-import org.sopt.and.core.data.repository.StarredProgramRepository
-import org.sopt.and.core.data.repositoryimpl.DummyPopularProgramRepositoryImpl
-import org.sopt.and.core.data.repositoryimpl.DummyRecommendationRepositoryImpl
-import org.sopt.and.core.data.repositoryimpl.StarredProgramRepositoryImpl
-import javax.inject.Singleton
-
-@InstallIn(SingletonComponent::class)
-@Module
-abstract class RepositoryModule() {
-
-    @Binds
-    @Singleton
-    abstract fun bindsDummyRecommendationRepository(
-        recommendationRepositoryImpl: DummyRecommendationRepositoryImpl
-    ): RecommendationRepository
-
-    @Binds
-    @Singleton
-    abstract fun bindsDummyPopularProgramRepository(
-        popularProgramRepositoryImpl: DummyPopularProgramRepositoryImpl
-    ): PopularProgramRepository
-
-    @Binds
-    @Singleton
-    abstract fun bindsStarredProgramRepository(
-        starredProgramRepositoryImpl: StarredProgramRepositoryImpl
-    ): StarredProgramRepository
-}
diff --git a/app/src/main/java/org/sopt/and/core/designsystem/component/dialog/SearchDialog.kt b/app/src/main/java/org/sopt/and/core/designsystem/component/dialog/SearchDialog.kt
index ad71e55..a051a75 100644
--- a/app/src/main/java/org/sopt/and/core/designsystem/component/dialog/SearchDialog.kt
+++ b/app/src/main/java/org/sopt/and/core/designsystem/component/dialog/SearchDialog.kt
@@ -13,11 +13,11 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import org.sopt.and.R
-import org.sopt.and.core.data.repositoryimpl.DummyPopularProgramRepositoryImpl
 import org.sopt.and.core.designsystem.component.BasicPreview
 import org.sopt.and.core.designsystem.theme.Grey500
 import org.sopt.and.core.extension.noRippleClickable
 import org.sopt.and.core.model.Program
+import org.sopt.and.data.repositoryimpl.DummyPopularProgramRepositoryImpl
 import org.sopt.and.presentation.search.component.SearchItem
 
 @Composable
diff --git a/app/src/main/java/org/sopt/and/core/designsystem/component/textfield/WavveBasicTextField.kt b/app/src/main/java/org/sopt/and/core/designsystem/component/textfield/WavveBasicTextField.kt
index 041292e..0315bb5 100644
--- a/app/src/main/java/org/sopt/and/core/designsystem/component/textfield/WavveBasicTextField.kt
+++ b/app/src/main/java/org/sopt/and/core/designsystem/component/textfield/WavveBasicTextField.kt
@@ -17,6 +17,7 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Brush
 import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.SolidColor
 import androidx.compose.ui.text.TextStyle
 import androidx.compose.ui.text.input.ImeAction
 import androidx.compose.ui.text.input.VisualTransformation
@@ -26,8 +27,8 @@ import androidx.compose.ui.unit.dp
 fun WavveBasicTextField(
     value: String,
     hint: String,
-    cursorBrush: Brush,
     modifier: Modifier = Modifier,
+    cursorBrush: Brush = SolidColor(Color.Blue),
     hintColor: Color = Color.LightGray,
     valueColor: Color = Color.White,
     onValueChange: (String) -> Unit = {},
diff --git a/app/src/main/java/org/sopt/and/core/preference/PreferenceUtil.kt b/app/src/main/java/org/sopt/and/core/preference/PreferenceUtil.kt
index be272fc..c410ae0 100644
--- a/app/src/main/java/org/sopt/and/core/preference/PreferenceUtil.kt
+++ b/app/src/main/java/org/sopt/and/core/preference/PreferenceUtil.kt
@@ -11,25 +11,19 @@ class PreferenceUtil(
         PREF_NAME, Context.MODE_PRIVATE
     )
 
-    var id: String
-        get() = preference.getString(ID, DEFAULT_STRING).toString()
-        set(value) = preference.edit().putString(ID, value).apply()
+    var token: String
+        get() = preference.getString(TOKEN, DEFAULT_STRING).toString()
+        set(value) = preference.edit().putString(TOKEN, value).apply()
 
-    var password: String
-        get() = preference.getString(PASSWORD, DEFAULT_STRING).toString()
-        set(value) = preference.edit().putString(PASSWORD, value).apply()
-
-    fun clearIdPassword() {
-        id = ""
-        password = ""
+    fun clearToken() {
+        token = ""
     }
 
     companion object {
         private const val PREF_NAME = "wavve_prefs"
-        private const val ID = "ID"
-        private const val PASSWORD = "PASSWORD"
+        private const val TOKEN = "TOKEN"
         private const val DEFAULT_STRING = ""
-
+        
         val LocalPreference = staticCompositionLocalOf<PreferenceUtil> {
             error("PreferenceUtil is not initialized")
         }
diff --git a/app/src/main/java/org/sopt/and/data/datasource/AuthDataSource.kt b/app/src/main/java/org/sopt/and/data/datasource/AuthDataSource.kt
new file mode 100644
index 0000000..5e98873
--- /dev/null
+++ b/app/src/main/java/org/sopt/and/data/datasource/AuthDataSource.kt
@@ -0,0 +1,18 @@
+package org.sopt.and.data.datasource
+
+import org.sopt.and.data.dto.BaseResponse
+import org.sopt.and.data.dto.request.SignInRequestDto
+import org.sopt.and.data.dto.request.SignUpRequestDto
+import org.sopt.and.data.dto.response.SignInResponseDto
+import org.sopt.and.data.dto.response.SignUpResponseDto
+import retrofit2.Call
+
+interface AuthDataSource {
+    fun postSignUp(
+        request: SignUpRequestDto
+    ): Call<BaseResponse<SignUpResponseDto>>
+
+    fun postSignIn(
+        request: SignInRequestDto
+    ): Call<BaseResponse<SignInResponseDto>>
+}
\ No newline at end of file
diff --git a/app/src/main/java/org/sopt/and/data/datasource/UserDataSource.kt b/app/src/main/java/org/sopt/and/data/datasource/UserDataSource.kt
new file mode 100644
index 0000000..328f54d
--- /dev/null
+++ b/app/src/main/java/org/sopt/and/data/datasource/UserDataSource.kt
@@ -0,0 +1,9 @@
+package org.sopt.and.data.datasource
+
+import org.sopt.and.data.dto.BaseResponse
+import org.sopt.and.data.dto.response.MyHobbyResponseDto
+import retrofit2.Call
+
+interface UserDataSource {
+    fun getMyHobby(token: String): Call<BaseResponse<MyHobbyResponseDto>>
+}
\ No newline at end of file
diff --git a/app/src/main/java/org/sopt/and/data/datasourceImpl/AuthDataSourceImpl.kt b/app/src/main/java/org/sopt/and/data/datasourceImpl/AuthDataSourceImpl.kt
new file mode 100644
index 0000000..e2a349c
--- /dev/null
+++ b/app/src/main/java/org/sopt/and/data/datasourceImpl/AuthDataSourceImpl.kt
@@ -0,0 +1,19 @@
+package org.sopt.and.data.datasourceImpl
+
+import org.sopt.and.data.datasource.AuthDataSource
+import org.sopt.and.data.dto.BaseResponse
+import org.sopt.and.data.dto.request.SignInRequestDto
+import org.sopt.and.data.dto.request.SignUpRequestDto
+import org.sopt.and.data.dto.response.SignInResponseDto
+import org.sopt.and.data.dto.response.SignUpResponseDto
+import org.sopt.and.data.remote.AuthService
+import retrofit2.Call
+import javax.inject.Inject
+
+class AuthDataSourceImpl @Inject constructor(
+    private val userService: AuthService
+): AuthDataSource {
+
+    override fun postSignUp(request: SignUpRequestDto): Call<BaseResponse<SignUpResponseDto>> = userService.signUp(request)
+    override fun postSignIn(request: SignInRequestDto): Call<BaseResponse<SignInResponseDto>> = userService.signIn(request)
+}
\ No newline at end of file
diff --git a/app/src/main/java/org/sopt/and/data/datasourceImpl/UserDataSourceImpl.kt b/app/src/main/java/org/sopt/and/data/datasourceImpl/UserDataSourceImpl.kt
new file mode 100644
index 0000000..25dfbd7
--- /dev/null
+++ b/app/src/main/java/org/sopt/and/data/datasourceImpl/UserDataSourceImpl.kt
@@ -0,0 +1,15 @@
+package org.sopt.and.data.datasourceImpl
+
+import org.sopt.and.data.datasource.UserDataSource
+import org.sopt.and.data.dto.BaseResponse
+import org.sopt.and.data.dto.response.MyHobbyResponseDto
+import org.sopt.and.data.remote.UserService
+import retrofit2.Call
+import javax.inject.Inject
+
+class UserDataSourceImpl @Inject constructor(
+    private val userService: UserService
+) : UserDataSource {
+    override fun getMyHobby(token: String): Call<BaseResponse<MyHobbyResponseDto>> =
+        userService.getMyHobby(token)
+}
\ No newline at end of file
diff --git a/app/src/main/java/org/sopt/and/core/data/di/DBModule.kt b/app/src/main/java/org/sopt/and/data/di/DBModule.kt
similarity index 81%
rename from app/src/main/java/org/sopt/and/core/data/di/DBModule.kt
rename to app/src/main/java/org/sopt/and/data/di/DBModule.kt
index 0275268..9003fdc 100644
--- a/app/src/main/java/org/sopt/and/core/data/di/DBModule.kt
+++ b/app/src/main/java/org/sopt/and/data/di/DBModule.kt
@@ -1,4 +1,4 @@
-package org.sopt.and.core.data.di
+package org.sopt.and.data.di
 
 import android.content.Context
 import dagger.Module
@@ -6,7 +6,7 @@ import dagger.Provides
 import dagger.hilt.InstallIn
 import dagger.hilt.android.qualifiers.ApplicationContext
 import dagger.hilt.components.SingletonComponent
-import org.sopt.and.core.data.local.database.StarredProgramDatabase
+import org.sopt.and.data.local.database.StarredProgramDatabase
 import javax.inject.Singleton
 
 @InstallIn(SingletonComponent::class)
diff --git a/app/src/main/java/org/sopt/and/data/di/DataSourceModule.kt b/app/src/main/java/org/sopt/and/data/di/DataSourceModule.kt
new file mode 100644
index 0000000..da8dc96
--- /dev/null
+++ b/app/src/main/java/org/sopt/and/data/di/DataSourceModule.kt
@@ -0,0 +1,29 @@
+package org.sopt.and.data.di
+
+import dagger.Binds
+import dagger.Module
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import org.sopt.and.data.datasource.AuthDataSource
+import org.sopt.and.data.datasource.UserDataSource
+import org.sopt.and.data.datasourceImpl.AuthDataSourceImpl
+import org.sopt.and.data.datasourceImpl.UserDataSourceImpl
+import javax.inject.Singleton
+
+@InstallIn(SingletonComponent::class)
+@Module
+abstract class DataSourceModule {
+
+    @Binds
+    @Singleton
+    abstract fun bindsAuthDataSource(
+        authDataSourceImpl: AuthDataSourceImpl
+    ): AuthDataSource
+
+    @Binds
+    @Singleton
+    abstract fun bindsUserDataSource(
+        userDataSourceImpl: UserDataSourceImpl
+    ): UserDataSource
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/org/sopt/and/data/di/RepositoryModule.kt b/app/src/main/java/org/sopt/and/data/di/RepositoryModule.kt
new file mode 100644
index 0000000..48ec48b
--- /dev/null
+++ b/app/src/main/java/org/sopt/and/data/di/RepositoryModule.kt
@@ -0,0 +1,62 @@
+package org.sopt.and.data.di
+
+import dagger.Binds
+import dagger.Module
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import org.sopt.and.data.repositoryimpl.DummyPopularProgramRepositoryImpl
+import org.sopt.and.data.repositoryimpl.DummyRecommendationRepositoryImpl
+import org.sopt.and.data.repositoryimpl.MyHobbyRepositoryImpl
+import org.sopt.and.data.repositoryimpl.SignInRepositoryImpl
+import org.sopt.and.data.repositoryimpl.SignUpRepositoryImpl
+import org.sopt.and.data.repositoryimpl.StarredProgramRepositoryImpl
+import org.sopt.and.domain.repository.MyHobbyRepository
+import org.sopt.and.domain.repository.PopularProgramRepository
+import org.sopt.and.domain.repository.RecommendationRepository
+import org.sopt.and.domain.repository.SignInRepository
+import org.sopt.and.domain.repository.SignUpRepository
+import org.sopt.and.domain.repository.StarredProgramRepository
+import javax.inject.Singleton
+
+@InstallIn(SingletonComponent::class)
+@Module
+abstract class RepositoryModule() {
+
+    @Binds
+    @Singleton
+    abstract fun bindsDummyRecommendationRepository(
+        recommendationRepositoryImpl: DummyRecommendationRepositoryImpl
+    ): RecommendationRepository
+
+    @Binds
+    @Singleton
+    abstract fun bindsDummyPopularProgramRepository(
+        popularProgramRepositoryImpl: DummyPopularProgramRepositoryImpl
+    ): PopularProgramRepository
+
+    @Binds
+    @Singleton
+    abstract fun bindsStarredProgramRepository(
+        starredProgramRepositoryImpl: StarredProgramRepositoryImpl
+    ): StarredProgramRepository
+
+    @Binds
+    @Singleton
+    abstract fun bindsSignUpRepository(
+        signUpRepositoryImpl: SignUpRepositoryImpl
+    ): SignUpRepository
+
+
+    @Binds
+    @Singleton
+    abstract fun bindsSignInRepository(
+        signInRepositoryImpl: SignInRepositoryImpl
+    ): SignInRepository
+
+    @Binds
+    @Singleton
+    abstract fun bindsMyHobbyRepository(
+        myHobbyRepositoryImpl: MyHobbyRepositoryImpl
+    ): MyHobbyRepository
+
+}
diff --git a/app/src/main/java/org/sopt/and/data/di/RetrofitModule.kt b/app/src/main/java/org/sopt/and/data/di/RetrofitModule.kt
new file mode 100644
index 0000000..a55ad49
--- /dev/null
+++ b/app/src/main/java/org/sopt/and/data/di/RetrofitModule.kt
@@ -0,0 +1,49 @@
+package org.sopt.and.data.di
+
+import com.jakewharton.retrofit2.converter.kotlinx.serialization.asConverterFactory
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import kotlinx.serialization.json.Json
+import okhttp3.MediaType.Companion.toMediaType
+import okhttp3.OkHttpClient
+import okhttp3.logging.HttpLoggingInterceptor
+import org.sopt.and.BuildConfig.BASE_URL
+import retrofit2.Converter
+import retrofit2.Retrofit
+import javax.inject.Singleton
+
+@Module
+@InstallIn(SingletonComponent::class)
+object RetrofitModule {
+
+    @Provides
+    @Singleton
+    fun providesLoggingInterceptor() = HttpLoggingInterceptor().apply {
+        level = HttpLoggingInterceptor.Level.BODY
+    }
+
+    @Provides
+    @Singleton
+    fun providesOkHttpClient(
+        loggingInterceptor: HttpLoggingInterceptor
+    ): OkHttpClient = OkHttpClient.Builder()
+            .addInterceptor(loggingInterceptor)
+            .build()
+
+    @Provides
+    @Singleton
+    fun providesConverterFactory(): Converter.Factory = Json.asConverterFactory("application/json".toMediaType())
+
+    @Provides
+    @Singleton
+    fun providesRetrofit(
+        client: OkHttpClient,
+        converterFactory: Converter.Factory
+    ): Retrofit = Retrofit.Builder()
+            .baseUrl(BASE_URL)
+            .client(client)
+            .addConverterFactory(converterFactory)
+            .build()
+}
\ No newline at end of file
diff --git a/app/src/main/java/org/sopt/and/data/di/ServiceModule.kt b/app/src/main/java/org/sopt/and/data/di/ServiceModule.kt
new file mode 100644
index 0000000..48470a6
--- /dev/null
+++ b/app/src/main/java/org/sopt/and/data/di/ServiceModule.kt
@@ -0,0 +1,28 @@
+package org.sopt.and.data.di
+
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import org.sopt.and.data.remote.AuthService
+import org.sopt.and.data.remote.UserService
+import retrofit2.Retrofit
+import javax.inject.Singleton
+
+@InstallIn(SingletonComponent::class)
+@Module
+object ServiceModule {
+
+    @Provides
+    @Singleton
+    fun providesAuthService(
+        retrofit: Retrofit
+    ): AuthService = retrofit.create(AuthService::class.java)
+
+    @Provides
+    @Singleton
+    fun providesUserService(
+        retrofit: Retrofit
+    ): UserService = retrofit.create(UserService::class.java)
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/org/sopt/and/data/dto/BaseResponse.kt b/app/src/main/java/org/sopt/and/data/dto/BaseResponse.kt
new file mode 100644
index 0000000..627956c
--- /dev/null
+++ b/app/src/main/java/org/sopt/and/data/dto/BaseResponse.kt
@@ -0,0 +1,10 @@
+package org.sopt.and.data.dto
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+ data class  BaseResponse<T>(
+    @SerialName("result")
+    val result: T
+)
diff --git a/app/src/main/java/org/sopt/and/data/dto/request/SignInRequestDto.kt b/app/src/main/java/org/sopt/and/data/dto/request/SignInRequestDto.kt
new file mode 100644
index 0000000..21bc736
--- /dev/null
+++ b/app/src/main/java/org/sopt/and/data/dto/request/SignInRequestDto.kt
@@ -0,0 +1,12 @@
+package org.sopt.and.data.dto.request
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class SignInRequestDto(
+    @SerialName("username")
+    val userName: String,
+    @SerialName("password")
+    val password: String
+)
diff --git a/app/src/main/java/org/sopt/and/data/dto/request/SignUpRequestDto.kt b/app/src/main/java/org/sopt/and/data/dto/request/SignUpRequestDto.kt
new file mode 100644
index 0000000..978181a
--- /dev/null
+++ b/app/src/main/java/org/sopt/and/data/dto/request/SignUpRequestDto.kt
@@ -0,0 +1,14 @@
+package org.sopt.and.data.dto.request
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class SignUpRequestDto(
+    @SerialName("username")
+    val userName: String,
+    @SerialName("password")
+    val password: String,
+    @SerialName("hobby")
+    val hobby: String
+)
diff --git a/app/src/main/java/org/sopt/and/data/dto/response/MyHobbyResponseDto.kt b/app/src/main/java/org/sopt/and/data/dto/response/MyHobbyResponseDto.kt
new file mode 100644
index 0000000..aa21ef0
--- /dev/null
+++ b/app/src/main/java/org/sopt/and/data/dto/response/MyHobbyResponseDto.kt
@@ -0,0 +1,10 @@
+package org.sopt.and.data.dto.response
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class MyHobbyResponseDto(
+    @SerialName("hobby")
+    val hobby: String
+)
diff --git a/app/src/main/java/org/sopt/and/data/dto/response/SignInResponseDto.kt b/app/src/main/java/org/sopt/and/data/dto/response/SignInResponseDto.kt
new file mode 100644
index 0000000..2698c5a
--- /dev/null
+++ b/app/src/main/java/org/sopt/and/data/dto/response/SignInResponseDto.kt
@@ -0,0 +1,10 @@
+package org.sopt.and.data.dto.response
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class SignInResponseDto(
+    @SerialName("token")
+    val token: String
+)
diff --git a/app/src/main/java/org/sopt/and/data/dto/response/SignUpResponseDto.kt b/app/src/main/java/org/sopt/and/data/dto/response/SignUpResponseDto.kt
new file mode 100644
index 0000000..4e54352
--- /dev/null
+++ b/app/src/main/java/org/sopt/and/data/dto/response/SignUpResponseDto.kt
@@ -0,0 +1,10 @@
+package org.sopt.and.data.dto.response
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class SignUpResponseDto (
+    @SerialName("no")
+    val userNumber: Int
+)
diff --git a/app/src/main/java/org/sopt/and/core/data/local/dao/StarredProgramDao.kt b/app/src/main/java/org/sopt/and/data/local/dao/StarredProgramDao.kt
similarity index 83%
rename from app/src/main/java/org/sopt/and/core/data/local/dao/StarredProgramDao.kt
rename to app/src/main/java/org/sopt/and/data/local/dao/StarredProgramDao.kt
index 60c11d3..081dd6c 100644
--- a/app/src/main/java/org/sopt/and/core/data/local/dao/StarredProgramDao.kt
+++ b/app/src/main/java/org/sopt/and/data/local/dao/StarredProgramDao.kt
@@ -1,11 +1,11 @@
-package org.sopt.and.core.data.local.dao
+package org.sopt.and.data.local.dao
 
 import androidx.room.Dao
 import androidx.room.Insert
 import androidx.room.OnConflictStrategy
 import androidx.room.Query
 import kotlinx.coroutines.flow.Flow
-import org.sopt.and.core.data.local.entity.StarredProgramEntity
+import org.sopt.and.data.local.entity.StarredProgramEntity
 
 @Dao
 interface StarredProgramDao {
diff --git a/app/src/main/java/org/sopt/and/core/data/local/database/StarredProgramDatabase.kt b/app/src/main/java/org/sopt/and/data/local/database/StarredProgramDatabase.kt
similarity index 82%
rename from app/src/main/java/org/sopt/and/core/data/local/database/StarredProgramDatabase.kt
rename to app/src/main/java/org/sopt/and/data/local/database/StarredProgramDatabase.kt
index ca884a7..bb7ffc7 100644
--- a/app/src/main/java/org/sopt/and/core/data/local/database/StarredProgramDatabase.kt
+++ b/app/src/main/java/org/sopt/and/data/local/database/StarredProgramDatabase.kt
@@ -1,11 +1,11 @@
-package org.sopt.and.core.data.local.database
+package org.sopt.and.data.local.database
 
 import android.content.Context
 import androidx.room.Database
 import androidx.room.Room
 import androidx.room.RoomDatabase
-import org.sopt.and.core.data.local.dao.StarredProgramDao
-import org.sopt.and.core.data.local.entity.StarredProgramEntity
+import org.sopt.and.data.local.dao.StarredProgramDao
+import org.sopt.and.data.local.entity.StarredProgramEntity
 
 @Database(entities = [StarredProgramEntity::class], version = 2, exportSchema = false)
 abstract class StarredProgramDatabase : RoomDatabase() {
diff --git a/app/src/main/java/org/sopt/and/core/data/local/entity/StarredProgramEntity.kt b/app/src/main/java/org/sopt/and/data/local/entity/StarredProgramEntity.kt
similarity index 90%
rename from app/src/main/java/org/sopt/and/core/data/local/entity/StarredProgramEntity.kt
rename to app/src/main/java/org/sopt/and/data/local/entity/StarredProgramEntity.kt
index b53ec53..1640bee 100644
--- a/app/src/main/java/org/sopt/and/core/data/local/entity/StarredProgramEntity.kt
+++ b/app/src/main/java/org/sopt/and/data/local/entity/StarredProgramEntity.kt
@@ -1,4 +1,4 @@
-package org.sopt.and.core.data.local.entity
+package org.sopt.and.data.local.entity
 
 import androidx.annotation.NonNull
 import androidx.room.ColumnInfo
diff --git a/app/src/main/java/org/sopt/and/core/data/mapper/ProgramToEntityMapper.kt b/app/src/main/java/org/sopt/and/data/mapper/ProgramToEntityMapper.kt
similarity index 64%
rename from app/src/main/java/org/sopt/and/core/data/mapper/ProgramToEntityMapper.kt
rename to app/src/main/java/org/sopt/and/data/mapper/ProgramToEntityMapper.kt
index ca651be..a7200f7 100644
--- a/app/src/main/java/org/sopt/and/core/data/mapper/ProgramToEntityMapper.kt
+++ b/app/src/main/java/org/sopt/and/data/mapper/ProgramToEntityMapper.kt
@@ -1,7 +1,7 @@
-package org.sopt.and.core.data.mapper
+package org.sopt.and.data.mapper
 
-import org.sopt.and.core.data.local.entity.StarredProgramEntity
 import org.sopt.and.core.model.Program
+import org.sopt.and.data.local.entity.StarredProgramEntity
 
 fun Program.toStarredProgramEntity(): StarredProgramEntity = StarredProgramEntity(
     programName = this.title,
diff --git a/app/src/main/java/org/sopt/and/data/mapper/SignInMapper.kt b/app/src/main/java/org/sopt/and/data/mapper/SignInMapper.kt
new file mode 100644
index 0000000..21052d6
--- /dev/null
+++ b/app/src/main/java/org/sopt/and/data/mapper/SignInMapper.kt
@@ -0,0 +1,9 @@
+package org.sopt.and.data.mapper
+
+import org.sopt.and.data.dto.request.SignInRequestDto
+import org.sopt.and.domain.entity.User
+
+fun User.toSignInRequest(): SignInRequestDto = SignInRequestDto(
+    userName = this.userName,
+    password = this.password
+)
\ No newline at end of file
diff --git a/app/src/main/java/org/sopt/and/data/mapper/SignUpMapper.kt b/app/src/main/java/org/sopt/and/data/mapper/SignUpMapper.kt
new file mode 100644
index 0000000..61d1e06
--- /dev/null
+++ b/app/src/main/java/org/sopt/and/data/mapper/SignUpMapper.kt
@@ -0,0 +1,10 @@
+package org.sopt.and.data.mapper
+
+import org.sopt.and.data.dto.request.SignUpRequestDto
+import org.sopt.and.domain.entity.User
+
+fun User.toSignUpRequest(): SignUpRequestDto = SignUpRequestDto(
+    userName = this.userName,
+    password = this.password,
+    hobby = this.hobby
+)
\ No newline at end of file
diff --git a/app/src/main/java/org/sopt/and/data/remote/AuthService.kt b/app/src/main/java/org/sopt/and/data/remote/AuthService.kt
new file mode 100644
index 0000000..7ddf5ce
--- /dev/null
+++ b/app/src/main/java/org/sopt/and/data/remote/AuthService.kt
@@ -0,0 +1,22 @@
+package org.sopt.and.data.remote
+
+import org.sopt.and.data.dto.BaseResponse
+import org.sopt.and.data.dto.request.SignInRequestDto
+import org.sopt.and.data.dto.request.SignUpRequestDto
+import org.sopt.and.data.dto.response.SignInResponseDto
+import org.sopt.and.data.dto.response.SignUpResponseDto
+import retrofit2.Call
+import retrofit2.http.Body
+import retrofit2.http.POST
+
+interface AuthService {
+    @POST("/user")
+    fun signUp(
+        @Body request: SignUpRequestDto
+    ): Call<BaseResponse<SignUpResponseDto>>
+
+    @POST("/login")
+    fun signIn(
+        @Body request: SignInRequestDto
+    ): Call<BaseResponse<SignInResponseDto>>
+}
\ No newline at end of file
diff --git a/app/src/main/java/org/sopt/and/data/remote/UserService.kt b/app/src/main/java/org/sopt/and/data/remote/UserService.kt
new file mode 100644
index 0000000..6985cc6
--- /dev/null
+++ b/app/src/main/java/org/sopt/and/data/remote/UserService.kt
@@ -0,0 +1,14 @@
+package org.sopt.and.data.remote
+
+import org.sopt.and.data.dto.BaseResponse
+import org.sopt.and.data.dto.response.MyHobbyResponseDto
+import retrofit2.Call
+import retrofit2.http.GET
+import retrofit2.http.Header
+
+interface UserService {
+    @GET("/user/my-hobby")
+    fun getMyHobby(
+        @Header("token") token: String
+    ): Call<BaseResponse<MyHobbyResponseDto>>
+}
\ No newline at end of file
diff --git a/app/src/main/java/org/sopt/and/core/data/repositoryimpl/DummyPopularProgramRepositoryImpl.kt b/app/src/main/java/org/sopt/and/data/repositoryimpl/DummyPopularProgramRepositoryImpl.kt
similarity index 94%
rename from app/src/main/java/org/sopt/and/core/data/repositoryimpl/DummyPopularProgramRepositoryImpl.kt
rename to app/src/main/java/org/sopt/and/data/repositoryimpl/DummyPopularProgramRepositoryImpl.kt
index 336e509..3b82168 100644
--- a/app/src/main/java/org/sopt/and/core/data/repositoryimpl/DummyPopularProgramRepositoryImpl.kt
+++ b/app/src/main/java/org/sopt/and/data/repositoryimpl/DummyPopularProgramRepositoryImpl.kt
@@ -1,8 +1,8 @@
-package org.sopt.and.core.data.repositoryimpl
+package org.sopt.and.data.repositoryimpl
 
 import org.sopt.and.R
-import org.sopt.and.core.data.repository.PopularProgramRepository
 import org.sopt.and.core.model.Program
+import org.sopt.and.domain.repository.PopularProgramRepository
 import javax.inject.Inject
 
 class DummyPopularProgramRepositoryImpl @Inject constructor() : PopularProgramRepository {
diff --git a/app/src/main/java/org/sopt/and/core/data/repositoryimpl/DummyRecommendationRepositoryImpl.kt b/app/src/main/java/org/sopt/and/data/repositoryimpl/DummyRecommendationRepositoryImpl.kt
similarity index 96%
rename from app/src/main/java/org/sopt/and/core/data/repositoryimpl/DummyRecommendationRepositoryImpl.kt
rename to app/src/main/java/org/sopt/and/data/repositoryimpl/DummyRecommendationRepositoryImpl.kt
index 2709891..6b9734a 100644
--- a/app/src/main/java/org/sopt/and/core/data/repositoryimpl/DummyRecommendationRepositoryImpl.kt
+++ b/app/src/main/java/org/sopt/and/data/repositoryimpl/DummyRecommendationRepositoryImpl.kt
@@ -1,9 +1,9 @@
-package org.sopt.and.core.data.repositoryimpl
+package org.sopt.and.data.repositoryimpl
 
 import org.sopt.and.R
-import org.sopt.and.core.data.repository.RecommendationRepository
 import org.sopt.and.core.model.HomeRecommendation
 import org.sopt.and.core.model.Program
+import org.sopt.and.domain.repository.RecommendationRepository
 import javax.inject.Inject
 
 class DummyRecommendationRepositoryImpl @Inject constructor(
diff --git a/app/src/main/java/org/sopt/and/data/repositoryimpl/MyHobbyRepositoryImpl.kt b/app/src/main/java/org/sopt/and/data/repositoryimpl/MyHobbyRepositoryImpl.kt
new file mode 100644
index 0000000..91fe88b
--- /dev/null
+++ b/app/src/main/java/org/sopt/and/data/repositoryimpl/MyHobbyRepositoryImpl.kt
@@ -0,0 +1,50 @@
+package org.sopt.and.data.repositoryimpl
+
+import android.util.Log
+import org.sopt.and.data.datasource.UserDataSource
+import org.sopt.and.data.dto.BaseResponse
+import org.sopt.and.data.dto.response.MyHobbyResponseDto
+import org.sopt.and.domain.entity.Hobby
+import org.sopt.and.domain.repository.MyHobbyRepository
+import retrofit2.Call
+import retrofit2.Callback
+import retrofit2.Response
+import javax.inject.Inject
+import kotlin.coroutines.resume
+import kotlin.coroutines.resumeWithException
+import kotlin.coroutines.suspendCoroutine
+
+class MyHobbyRepositoryImpl @Inject constructor(
+    private val userDataSource: UserDataSource
+) : MyHobbyRepository {
+    override suspend fun getMyHobby(token: String): Result<Hobby> = runCatching {
+        suspendCoroutine { continuation ->
+            userDataSource.getMyHobby(token)
+                .enqueue(object : Callback<BaseResponse<MyHobbyResponseDto>> {
+                    override fun onResponse(
+                        call: Call<BaseResponse<MyHobbyResponseDto>>,
+                        response: Response<BaseResponse<MyHobbyResponseDto>>
+                    ) {
+                        if (response.isSuccessful) {
+                            response.body()?.result?.hobby?.let {
+                                val hobby = Hobby(it)
+                                Log.d("MyHobby", it)
+                                continuation.resume(hobby)
+                            }
+                        } else {
+                            continuation.resumeWithException(Exception())
+                        }
+                    }
+
+                    override fun onFailure(
+                        call: Call<BaseResponse<MyHobbyResponseDto>>,
+                        response: Throwable
+                    ) {
+                        Log.d("MyHobby", "fail")
+                        continuation.resumeWithException(response)
+                    }
+                })
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/org/sopt/and/data/repositoryimpl/SignInRepositoryImpl.kt b/app/src/main/java/org/sopt/and/data/repositoryimpl/SignInRepositoryImpl.kt
new file mode 100644
index 0000000..15a86ba
--- /dev/null
+++ b/app/src/main/java/org/sopt/and/data/repositoryimpl/SignInRepositoryImpl.kt
@@ -0,0 +1,63 @@
+package org.sopt.and.data.repositoryimpl
+
+import org.sopt.and.data.datasource.AuthDataSource
+import org.sopt.and.data.dto.BaseResponse
+import org.sopt.and.data.dto.response.SignInResponseDto
+import org.sopt.and.data.mapper.toSignInRequest
+import org.sopt.and.domain.entity.SignInResponse
+import org.sopt.and.domain.entity.User
+import org.sopt.and.domain.repository.SignInRepository
+import retrofit2.Call
+import retrofit2.Callback
+import retrofit2.Response
+import javax.inject.Inject
+import kotlin.coroutines.resume
+import kotlin.coroutines.resumeWithException
+import kotlin.coroutines.suspendCoroutine
+
+class SignInRepositoryImpl @Inject constructor(
+    private val userDataSource: AuthDataSource
+) : SignInRepository {
+
+    override suspend fun signInUser(user: User): Result<SignInResponse> = runCatching {
+        suspendCoroutine { continuation ->
+            userDataSource.postSignIn(user.toSignInRequest()).enqueue(object :
+                Callback<BaseResponse<SignInResponseDto>> {
+                override fun onResponse(
+                    call: Call<BaseResponse<SignInResponseDto>>,
+                    response: Response<BaseResponse<SignInResponseDto>>
+                ) {
+                    if (response.isSuccessful) {
+                        response.body()?.result?.token?.let {
+                            continuation.resume(
+                                SignInResponse(
+                                    token = it,
+                                    message = MESSAGE_SUCCESS
+                                )
+                            )
+                        }
+                    } else {
+                        continuation.resume(
+                            SignInResponse(
+                                message = MESSAGE_FAILURE
+                            )
+                        )
+                    }
+                }
+
+                override fun onFailure(
+                    call: Call<BaseResponse<SignInResponseDto>>,
+                    throwable: Throwable
+                ) {
+                    continuation.resumeWithException(throwable)
+                }
+            })
+        }
+    }
+
+    companion object {
+        private const val MESSAGE_SUCCESS = "로그인에 성공했습니다."
+        private const val MESSAGE_FAILURE = "아이디 또는 비밀번호가 일치하지 않습니다."
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/org/sopt/and/data/repositoryimpl/SignUpRepositoryImpl.kt b/app/src/main/java/org/sopt/and/data/repositoryimpl/SignUpRepositoryImpl.kt
new file mode 100644
index 0000000..b3d773e
--- /dev/null
+++ b/app/src/main/java/org/sopt/and/data/repositoryimpl/SignUpRepositoryImpl.kt
@@ -0,0 +1,63 @@
+package org.sopt.and.data.repositoryimpl
+
+import org.json.JSONObject
+import org.sopt.and.R
+import org.sopt.and.data.datasource.AuthDataSource
+import org.sopt.and.data.dto.BaseResponse
+import org.sopt.and.data.dto.response.SignUpResponseDto
+import org.sopt.and.data.mapper.toSignUpRequest
+import org.sopt.and.domain.entity.SignUpResponse
+import org.sopt.and.domain.entity.User
+import org.sopt.and.domain.repository.SignUpRepository
+import retrofit2.Call
+import retrofit2.Callback
+import retrofit2.Response
+import javax.inject.Inject
+import kotlin.coroutines.resume
+import kotlin.coroutines.resumeWithException
+import kotlin.coroutines.suspendCoroutine
+
+class SignUpRepositoryImpl @Inject constructor(
+    private val userDataSource: AuthDataSource
+) : SignUpRepository {
+
+    override suspend fun registerUser(user: User): Result<SignUpResponse> = runCatching {
+        suspendCoroutine { continuation ->
+            userDataSource.postSignUp(user.toSignUpRequest()).enqueue(object :
+                Callback<BaseResponse<SignUpResponseDto>> {
+                override fun onResponse(
+                    call: Call<BaseResponse<SignUpResponseDto>>,
+                    response: Response<BaseResponse<SignUpResponseDto>>
+                ) {
+                    if (response.isSuccessful) {
+                        val userId = response.body()?.result?.userNumber
+                        continuation.resume(
+                            SignUpResponse(
+                                id = userId,
+                                message = R.string.signup_toast_success)
+                        )
+                    } else {
+                        val code = response.errorBody()?.string()?.let { JSONObject(it) }?.getString("code").toString()
+                        continuation.resume(
+                            SignUpResponse(message = getMessageByCode(code))
+                        )
+                    }
+                }
+
+                override fun onFailure(
+                    call: Call<BaseResponse<SignUpResponseDto>>,
+                    throwable: Throwable
+                ) {
+                    continuation.resumeWithException(throwable)
+                }
+            })
+        }
+    }
+
+    private fun getMessageByCode(code: String): Int =
+        when (code) {
+            "00" -> R.string.signup_toast_failure_id_exist
+            "01" -> R.string.signup_toast_failure_out_of_range
+            else -> R.string.signup_toast_failure_unknown
+        }
+}
\ No newline at end of file
diff --git a/app/src/main/java/org/sopt/and/core/data/repositoryimpl/StarredProgramRepositoryImpl.kt b/app/src/main/java/org/sopt/and/data/repositoryimpl/StarredProgramRepositoryImpl.kt
similarity index 71%
rename from app/src/main/java/org/sopt/and/core/data/repositoryimpl/StarredProgramRepositoryImpl.kt
rename to app/src/main/java/org/sopt/and/data/repositoryimpl/StarredProgramRepositoryImpl.kt
index bfb9bb2..c68b2bf 100644
--- a/app/src/main/java/org/sopt/and/core/data/repositoryimpl/StarredProgramRepositoryImpl.kt
+++ b/app/src/main/java/org/sopt/and/data/repositoryimpl/StarredProgramRepositoryImpl.kt
@@ -1,11 +1,11 @@
-package org.sopt.and.core.data.repositoryimpl
+package org.sopt.and.data.repositoryimpl
 
 import kotlinx.coroutines.flow.Flow
-import org.sopt.and.core.data.local.database.StarredProgramDatabase
-import org.sopt.and.core.data.local.entity.StarredProgramEntity
-import org.sopt.and.core.data.mapper.toStarredProgramEntity
-import org.sopt.and.core.data.repository.StarredProgramRepository
 import org.sopt.and.core.model.Program
+import org.sopt.and.data.local.database.StarredProgramDatabase
+import org.sopt.and.data.local.entity.StarredProgramEntity
+import org.sopt.and.data.mapper.toStarredProgramEntity
+import org.sopt.and.domain.repository.StarredProgramRepository
 import javax.inject.Inject
 
 class StarredProgramRepositoryImpl @Inject constructor(
diff --git a/app/src/main/java/org/sopt/and/domain/entity/Hobby.kt b/app/src/main/java/org/sopt/and/domain/entity/Hobby.kt
new file mode 100644
index 0000000..f27f2f8
--- /dev/null
+++ b/app/src/main/java/org/sopt/and/domain/entity/Hobby.kt
@@ -0,0 +1,5 @@
+package org.sopt.and.domain.entity
+
+data class Hobby(
+    val hobby: String
+)
diff --git a/app/src/main/java/org/sopt/and/domain/entity/SignInResponse.kt b/app/src/main/java/org/sopt/and/domain/entity/SignInResponse.kt
new file mode 100644
index 0000000..1865199
--- /dev/null
+++ b/app/src/main/java/org/sopt/and/domain/entity/SignInResponse.kt
@@ -0,0 +1,6 @@
+package org.sopt.and.domain.entity
+
+data class SignInResponse(
+    val token: String? = null,
+    val message: String? = null,
+)
\ No newline at end of file
diff --git a/app/src/main/java/org/sopt/and/domain/entity/SignUpResponse.kt b/app/src/main/java/org/sopt/and/domain/entity/SignUpResponse.kt
new file mode 100644
index 0000000..f6d30c8
--- /dev/null
+++ b/app/src/main/java/org/sopt/and/domain/entity/SignUpResponse.kt
@@ -0,0 +1,8 @@
+package org.sopt.and.domain.entity
+
+import androidx.annotation.StringRes
+
+data class SignUpResponse(
+    val id: Int? = null,
+    @StringRes val message: Int
+)
\ No newline at end of file
diff --git a/app/src/main/java/org/sopt/and/domain/entity/User.kt b/app/src/main/java/org/sopt/and/domain/entity/User.kt
new file mode 100644
index 0000000..7359c2c
--- /dev/null
+++ b/app/src/main/java/org/sopt/and/domain/entity/User.kt
@@ -0,0 +1,7 @@
+package org.sopt.and.domain.entity
+
+data class User(
+    val userName: String,
+    val password: String,
+    val hobby: String
+)
diff --git a/app/src/main/java/org/sopt/and/domain/repository/MyHobbyRepository.kt b/app/src/main/java/org/sopt/and/domain/repository/MyHobbyRepository.kt
new file mode 100644
index 0000000..44873dc
--- /dev/null
+++ b/app/src/main/java/org/sopt/and/domain/repository/MyHobbyRepository.kt
@@ -0,0 +1,7 @@
+package org.sopt.and.domain.repository
+
+import org.sopt.and.domain.entity.Hobby
+
+interface MyHobbyRepository {
+    suspend fun getMyHobby(token: String): Result<Hobby>
+}
\ No newline at end of file
diff --git a/app/src/main/java/org/sopt/and/core/data/repository/PopularProgramRepository.kt b/app/src/main/java/org/sopt/and/domain/repository/PopularProgramRepository.kt
similarity index 79%
rename from app/src/main/java/org/sopt/and/core/data/repository/PopularProgramRepository.kt
rename to app/src/main/java/org/sopt/and/domain/repository/PopularProgramRepository.kt
index 95eda76..e742ffe 100644
--- a/app/src/main/java/org/sopt/and/core/data/repository/PopularProgramRepository.kt
+++ b/app/src/main/java/org/sopt/and/domain/repository/PopularProgramRepository.kt
@@ -1,4 +1,4 @@
-package org.sopt.and.core.data.repository
+package org.sopt.and.domain.repository
 
 import org.sopt.and.core.model.Program
 
diff --git a/app/src/main/java/org/sopt/and/core/data/repository/RecommendationRepository.kt b/app/src/main/java/org/sopt/and/domain/repository/RecommendationRepository.kt
similarity index 84%
rename from app/src/main/java/org/sopt/and/core/data/repository/RecommendationRepository.kt
rename to app/src/main/java/org/sopt/and/domain/repository/RecommendationRepository.kt
index 78784c2..ff72eeb 100644
--- a/app/src/main/java/org/sopt/and/core/data/repository/RecommendationRepository.kt
+++ b/app/src/main/java/org/sopt/and/domain/repository/RecommendationRepository.kt
@@ -1,4 +1,4 @@
-package org.sopt.and.core.data.repository
+package org.sopt.and.domain.repository
 
 import org.sopt.and.core.model.HomeRecommendation
 
diff --git a/app/src/main/java/org/sopt/and/domain/repository/SignInRepository.kt b/app/src/main/java/org/sopt/and/domain/repository/SignInRepository.kt
new file mode 100644
index 0000000..70a8783
--- /dev/null
+++ b/app/src/main/java/org/sopt/and/domain/repository/SignInRepository.kt
@@ -0,0 +1,8 @@
+package org.sopt.and.domain.repository
+
+import org.sopt.and.domain.entity.SignInResponse
+import org.sopt.and.domain.entity.User
+
+interface SignInRepository {
+    suspend fun signInUser(user: User): Result<SignInResponse>
+}
\ No newline at end of file
diff --git a/app/src/main/java/org/sopt/and/domain/repository/SignUpRepository.kt b/app/src/main/java/org/sopt/and/domain/repository/SignUpRepository.kt
new file mode 100644
index 0000000..fbbd70b
--- /dev/null
+++ b/app/src/main/java/org/sopt/and/domain/repository/SignUpRepository.kt
@@ -0,0 +1,8 @@
+package org.sopt.and.domain.repository
+
+import org.sopt.and.domain.entity.SignUpResponse
+import org.sopt.and.domain.entity.User
+
+interface SignUpRepository {
+    suspend fun registerUser(user: User): Result<SignUpResponse>
+}
\ No newline at end of file
diff --git a/app/src/main/java/org/sopt/and/core/data/repository/StarredProgramRepository.kt b/app/src/main/java/org/sopt/and/domain/repository/StarredProgramRepository.kt
similarity index 73%
rename from app/src/main/java/org/sopt/and/core/data/repository/StarredProgramRepository.kt
rename to app/src/main/java/org/sopt/and/domain/repository/StarredProgramRepository.kt
index cf17f32..3e28b2c 100644
--- a/app/src/main/java/org/sopt/and/core/data/repository/StarredProgramRepository.kt
+++ b/app/src/main/java/org/sopt/and/domain/repository/StarredProgramRepository.kt
@@ -1,8 +1,8 @@
-package org.sopt.and.core.data.repository
+package org.sopt.and.domain.repository
 
 import kotlinx.coroutines.flow.Flow
-import org.sopt.and.core.data.local.entity.StarredProgramEntity
 import org.sopt.and.core.model.Program
+import org.sopt.and.data.local.entity.StarredProgramEntity
 
 interface StarredProgramRepository {
     fun getStarredPrograms(): Flow<List<StarredProgramEntity>>
diff --git a/app/src/main/java/org/sopt/and/presentation/home/HomeViewModel.kt b/app/src/main/java/org/sopt/and/presentation/home/HomeViewModel.kt
index 521f0e3..51bf680 100644
--- a/app/src/main/java/org/sopt/and/presentation/home/HomeViewModel.kt
+++ b/app/src/main/java/org/sopt/and/presentation/home/HomeViewModel.kt
@@ -5,7 +5,7 @@ import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.update
-import org.sopt.and.core.data.repository.RecommendationRepository
+import org.sopt.and.domain.repository.RecommendationRepository
 import org.sopt.and.presentation.home.state.HomeUiState
 import javax.inject.Inject
 
diff --git a/app/src/main/java/org/sopt/and/presentation/home/component/ProgramRow.kt b/app/src/main/java/org/sopt/and/presentation/home/component/ProgramRow.kt
index e9b6563..c9af8cc 100644
--- a/app/src/main/java/org/sopt/and/presentation/home/component/ProgramRow.kt
+++ b/app/src/main/java/org/sopt/and/presentation/home/component/ProgramRow.kt
@@ -29,7 +29,6 @@ import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import org.sopt.and.R
-import org.sopt.and.core.data.repositoryimpl.DummyPopularProgramRepositoryImpl
 import org.sopt.and.core.designsystem.theme.WavveBackground
 import org.sopt.and.core.designsystem.theme.White
 import org.sopt.and.core.extension.noRippleClickable
@@ -94,7 +93,7 @@ fun ProgramRow(
 private fun ProgramRowPreview() {
     ProgramRow(
         title = "남의 삶을 훔쳐보는 공인중개사",
-        programList = DummyPopularProgramRepositoryImpl.dummyPopularSeries,
+        programList = emptyList(),
         modifier = Modifier
             .background(WavveBackground)
             .wrapContentHeight()
diff --git a/app/src/main/java/org/sopt/and/presentation/home/component/RankedProgramRow.kt b/app/src/main/java/org/sopt/and/presentation/home/component/RankedProgramRow.kt
index 4284a23..2765282 100644
--- a/app/src/main/java/org/sopt/and/presentation/home/component/RankedProgramRow.kt
+++ b/app/src/main/java/org/sopt/and/presentation/home/component/RankedProgramRow.kt
@@ -32,7 +32,6 @@ import androidx.compose.ui.unit.sp
 import coil.compose.AsyncImage
 import coil.request.ImageRequest
 import org.sopt.and.R
-import org.sopt.and.core.data.repositoryimpl.DummyPopularProgramRepositoryImpl
 import org.sopt.and.core.designsystem.theme.WavveBackground
 import org.sopt.and.core.designsystem.theme.White
 import org.sopt.and.core.extension.noRippleClickable
@@ -112,7 +111,7 @@ fun RankedProgramRow(
 private fun ProgramRowPreview() {
     RankedProgramRow(
         title = "오늘의 TOP 20",
-        programList = DummyPopularProgramRepositoryImpl.dummyPopularSeries,
+        programList = emptyList(),
         modifier = Modifier
             .background(WavveBackground)
             .wrapContentHeight()
diff --git a/app/src/main/java/org/sopt/and/presentation/main/MainScreen.kt b/app/src/main/java/org/sopt/and/presentation/main/MainScreen.kt
index be25300..3bbd793 100644
--- a/app/src/main/java/org/sopt/and/presentation/main/MainScreen.kt
+++ b/app/src/main/java/org/sopt/and/presentation/main/MainScreen.kt
@@ -51,7 +51,7 @@ fun MainScreen(
 @Composable
 private fun getStartDestination(): Route {
     val preference = LocalPreference.current
-    return if (preference.id.isEmpty() || preference.password.isEmpty()) {
+    return if (preference.token.isEmpty()) {
         SignIn
     } else {
         Home
diff --git a/app/src/main/java/org/sopt/and/presentation/mypage/MyPageScreen.kt b/app/src/main/java/org/sopt/and/presentation/mypage/MyPageScreen.kt
index 7cdeeeb..d2c89eb 100644
--- a/app/src/main/java/org/sopt/and/presentation/mypage/MyPageScreen.kt
+++ b/app/src/main/java/org/sopt/and/presentation/mypage/MyPageScreen.kt
@@ -66,18 +66,22 @@ fun MyPageRoute(
             .collect { sideEffect ->
                 when (sideEffect) {
                     is MyPageSideEffect.OnLogout -> {
-                        preference.clearIdPassword()
+                        preference.clearToken()
                         onLogout()
                     }
                 }
             }
     }
 
+    LaunchedEffect(true) {
+        viewModel.getMyHobby(preference.token)
+    }
+
     Box(
         modifier = modifier
     ) {
         MyPageScreen(
-            email = preference.id,
+            hobby = uiState.hobby,
             snackBarHost = snackBarHost,
             onLogoutButtonClick = viewModel::onLogoutButtonClick,
             onProgramPress = { program ->
@@ -131,7 +135,7 @@ fun MyPageRoute(
 
 @Composable
 private fun MyPageScreen(
-    email: String,
+    hobby: String,
     uiState: MyPageUiState,
     snackBarHost: SnackbarHostState,
     onLogoutButtonClick: () -> Unit,
@@ -147,7 +151,7 @@ private fun MyPageScreen(
             .verticalScroll(scrollState)
     ) {
         ProfileTopBar(
-            email = email,
+            email = hobby,
             image = painterResource(R.drawable.ic_launcher_foreground),
         )
 
diff --git a/app/src/main/java/org/sopt/and/presentation/mypage/MyPageViewModel.kt b/app/src/main/java/org/sopt/and/presentation/mypage/MyPageViewModel.kt
index f5d9b20..6ea6c25 100644
--- a/app/src/main/java/org/sopt/and/presentation/mypage/MyPageViewModel.kt
+++ b/app/src/main/java/org/sopt/and/presentation/mypage/MyPageViewModel.kt
@@ -13,15 +13,17 @@ import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.stateIn
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch
-import org.sopt.and.core.data.repository.StarredProgramRepository
 import org.sopt.and.core.model.Program
+import org.sopt.and.domain.repository.MyHobbyRepository
+import org.sopt.and.domain.repository.StarredProgramRepository
 import org.sopt.and.presentation.mypage.state.MyPageInteractionState
 import org.sopt.and.presentation.mypage.state.MyPageUiState
 import javax.inject.Inject
 
 @HiltViewModel
 class MyPageViewModel @Inject constructor(
-    private val starredProgramRepository: StarredProgramRepository
+    private val starredProgramRepository: StarredProgramRepository,
+    private val myHobbyRepository: MyHobbyRepository
 ) : ViewModel() {
     private var interactionState = MutableStateFlow(MyPageInteractionState())
     private val starredState: StateFlow<List<Program>> =
@@ -37,6 +39,7 @@ class MyPageViewModel @Inject constructor(
         interactionState, starredState
     ) { uiState, starredState ->
         MyPageUiState().copy(
+            hobby = uiState.hobby,
             searchDialogVisibility = uiState.searchDialogVisibility,
             deleteDialogVisibility = uiState.deleteDialogVisibility,
             pressedProgram = uiState.pressedProgram,
@@ -51,6 +54,15 @@ class MyPageViewModel @Inject constructor(
     private var _sideEffect = MutableSharedFlow<MyPageSideEffect>()
     val sideEffect = _sideEffect.asSharedFlow()
 
+    fun getMyHobby(token: String) = viewModelScope.launch {
+        myHobbyRepository.getMyHobby(token)
+            .onSuccess { hobby ->
+                interactionState.update { currentState ->
+                    currentState.copy(hobby = hobby.hobby)
+                }
+            }
+    }
+
     fun onLogoutButtonClick() = viewModelScope.launch {
         _sideEffect.emit(MyPageSideEffect.OnLogout)
     }
diff --git a/app/src/main/java/org/sopt/and/presentation/mypage/state/MyPageInteractionState.kt b/app/src/main/java/org/sopt/and/presentation/mypage/state/MyPageInteractionState.kt
index 8a698c2..326eebe 100644
--- a/app/src/main/java/org/sopt/and/presentation/mypage/state/MyPageInteractionState.kt
+++ b/app/src/main/java/org/sopt/and/presentation/mypage/state/MyPageInteractionState.kt
@@ -3,6 +3,7 @@ package org.sopt.and.presentation.mypage.state
 import org.sopt.and.core.model.Program
 
 data class MyPageInteractionState(
+    val hobby: String = "",
     val searchDialogVisibility: Boolean = false,
     val deleteDialogVisibility: Boolean = false,
     val pressedProgram: Program? = null,
diff --git a/app/src/main/java/org/sopt/and/presentation/mypage/state/MyPageUiState.kt b/app/src/main/java/org/sopt/and/presentation/mypage/state/MyPageUiState.kt
index 2f2ad62..feb7f48 100644
--- a/app/src/main/java/org/sopt/and/presentation/mypage/state/MyPageUiState.kt
+++ b/app/src/main/java/org/sopt/and/presentation/mypage/state/MyPageUiState.kt
@@ -3,6 +3,7 @@ package org.sopt.and.presentation.mypage.state
 import org.sopt.and.core.model.Program
 
 data class MyPageUiState(
+    val hobby: String = "",
     val searchDialogVisibility: Boolean = false,
     val deleteDialogVisibility: Boolean = false,
     val pressedProgram: Program? = null,
diff --git a/app/src/main/java/org/sopt/and/presentation/search/SearchViewModel.kt b/app/src/main/java/org/sopt/and/presentation/search/SearchViewModel.kt
index 0cde20d..acbd011 100644
--- a/app/src/main/java/org/sopt/and/presentation/search/SearchViewModel.kt
+++ b/app/src/main/java/org/sopt/and/presentation/search/SearchViewModel.kt
@@ -5,8 +5,8 @@ import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.update
-import org.sopt.and.core.data.repository.PopularProgramRepository
 import org.sopt.and.core.model.Program
+import org.sopt.and.domain.repository.PopularProgramRepository
 import org.sopt.and.presentation.search.state.SearchUiState
 import javax.inject.Inject
 
diff --git a/app/src/main/java/org/sopt/and/presentation/signin/SignInScreen.kt b/app/src/main/java/org/sopt/and/presentation/signin/SignInScreen.kt
index 1e7a66d..00959e9 100644
--- a/app/src/main/java/org/sopt/and/presentation/signin/SignInScreen.kt
+++ b/app/src/main/java/org/sopt/and/presentation/signin/SignInScreen.kt
@@ -44,10 +44,8 @@ import org.sopt.and.presentation.signin.state.SignInUiState
 
 @Composable
 fun SignInRoute(
-    signUpId: String,
-    signUpPassword: String,
     navigateToSignUp: () -> Unit,
-    navigateToMyPage: () -> Unit,
+    navigateToHome: () -> Unit,
     modifier: Modifier = Modifier,
     viewModel: SignInViewModel = hiltViewModel()
 ) {
@@ -72,12 +70,11 @@ fun SignInRoute(
                         messageId = sideEffect.message
                     )
 
-                    SignInSideEffect.NavigateToMyPage -> {
+                    is SignInSideEffect.NavigateToHome -> {
                         with(preference) {
-                            id = uiState.id
-                            password = uiState.password
+                            token = sideEffect.token
                         }
-                        navigateToMyPage()
+                        navigateToHome()
                     }
 
                     SignInSideEffect.NavigateToSignUp -> {
@@ -93,7 +90,7 @@ fun SignInRoute(
         snackBarHost = snackBarHost,
         onIdChange = viewModel::updateId,
         onPasswordChange = viewModel::updatePassword,
-        onLoginClick = { viewModel.onLoginButtonClick(signUpId, signUpPassword) },
+        onLoginClick = viewModel::onSignInButtonClick,
         onSignUpClick = viewModel::onSignUpButtonClick,
         modifier = modifier
     )
diff --git a/app/src/main/java/org/sopt/and/presentation/signin/SignInSideEffect.kt b/app/src/main/java/org/sopt/and/presentation/signin/SignInSideEffect.kt
index 2307945..6100b8c 100644
--- a/app/src/main/java/org/sopt/and/presentation/signin/SignInSideEffect.kt
+++ b/app/src/main/java/org/sopt/and/presentation/signin/SignInSideEffect.kt
@@ -5,7 +5,7 @@ import androidx.annotation.StringRes
 sealed class SignInSideEffect {
     data class Toast(@StringRes val message: Int) : SignInSideEffect()
     data class SnackBar(@StringRes val message: Int) : SignInSideEffect()
-    data object NavigateToMyPage : SignInSideEffect()
+    data class NavigateToHome(val token: String) : SignInSideEffect()
     data object NavigateToSignUp : SignInSideEffect()
 
 }
diff --git a/app/src/main/java/org/sopt/and/presentation/signin/SignInViewModel.kt b/app/src/main/java/org/sopt/and/presentation/signin/SignInViewModel.kt
index 8e916cf..f1c4599 100644
--- a/app/src/main/java/org/sopt/and/presentation/signin/SignInViewModel.kt
+++ b/app/src/main/java/org/sopt/and/presentation/signin/SignInViewModel.kt
@@ -10,11 +10,15 @@ import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch
 import org.sopt.and.R
+import org.sopt.and.domain.entity.User
+import org.sopt.and.domain.repository.SignInRepository
 import org.sopt.and.presentation.signin.state.SignInUiState
 import javax.inject.Inject
 
 @HiltViewModel
-class SignInViewModel @Inject constructor() : ViewModel() {
+class SignInViewModel @Inject constructor(
+    private val signInRepository: SignInRepository
+) : ViewModel() {
     private var _uiState = MutableStateFlow(SignInUiState())
     val uiState = _uiState.asStateFlow()
 
@@ -33,25 +37,23 @@ class SignInViewModel @Inject constructor() : ViewModel() {
         )
     }
 
-    fun onLoginButtonClick(id: String, password: String) = viewModelScope.launch {
-        if (isLoginPossible(id, password)) {
-            _sideEffect.emit(SignInSideEffect.NavigateToMyPage)
-        } else {
-            _sideEffect.emit(SignInSideEffect.SnackBar(R.string.signin_snackbar_fail))
+    fun onSignUpButtonClick() {
+        viewModelScope.launch {
+            _sideEffect.emit(SignInSideEffect.NavigateToSignUp)
         }
     }
 
-    fun onSignUpButtonClick() = viewModelScope.launch {
-        _sideEffect.emit(SignInSideEffect.NavigateToSignUp)
-    }
-
-    /*id, password -> 회원가입 화면에서 가져온 아이디 비번*/
-    private fun isLoginPossible(id: String, password: String): Boolean {
-        val isIdCorrect = _uiState.value.id == id && id.isNotBlank()
-        val isPasswordCorrect = _uiState.value.password == password && password.isNotBlank()
-
-        return isIdCorrect && isPasswordCorrect
+    fun onSignInButtonClick() = viewModelScope.launch {
+        val user = with(_uiState.value) { User(id, password, "") }
+        signInRepository.signInUser(user).onSuccess { response ->
+            val token = response.token
+            if(token != null) {
+                    _sideEffect.emit(SignInSideEffect.NavigateToHome(token))
+            } else {
+                _sideEffect.emit(SignInSideEffect.SnackBar(R.string.signin_snackbar_fail))
+            }
+        }.onFailure {
+            _sideEffect.emit(SignInSideEffect.SnackBar(R.string.signin_snackbar_fail))
+        }
     }
-
-
 }
\ No newline at end of file
diff --git a/app/src/main/java/org/sopt/and/presentation/signin/navigation/SignInNavigation.kt b/app/src/main/java/org/sopt/and/presentation/signin/navigation/SignInNavigation.kt
index 20b59a7..ae3eef7 100644
--- a/app/src/main/java/org/sopt/and/presentation/signin/navigation/SignInNavigation.kt
+++ b/app/src/main/java/org/sopt/and/presentation/signin/navigation/SignInNavigation.kt
@@ -7,10 +7,8 @@ import androidx.navigation.NavHostController
 import androidx.navigation.NavOptions
 import androidx.navigation.compose.composable
 import kotlinx.serialization.Serializable
-import org.sopt.and.core.extension.getId
-import org.sopt.and.core.extension.getPassword
 import org.sopt.and.core.navigation.Route
-import org.sopt.and.presentation.mypage.navigation.navigateToMyPage
+import org.sopt.and.presentation.home.navigation.navigateToHome
 import org.sopt.and.presentation.signin.SignInRoute
 import org.sopt.and.presentation.signup.navigation.navigateToSignUp
 
@@ -24,9 +22,7 @@ fun NavGraphBuilder.signInScreen(
     composable<SignIn> {
         SignInRoute(
             navigateToSignUp = navController::navigateToSignUp,
-            navigateToMyPage = navController::navigateToMyPage,
-            signUpId = navController.getId(),
-            signUpPassword = navController.getPassword(),
+            navigateToHome = navController::navigateToHome,
             modifier = modifier
         )
     }
diff --git a/app/src/main/java/org/sopt/and/presentation/signup/SignUpScreen.kt b/app/src/main/java/org/sopt/and/presentation/signup/SignUpScreen.kt
index 481d3ca..7c602c3 100644
--- a/app/src/main/java/org/sopt/and/presentation/signup/SignUpScreen.kt
+++ b/app/src/main/java/org/sopt/and/presentation/signup/SignUpScreen.kt
@@ -10,17 +10,16 @@ import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.graphics.SolidColor
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.TextStyle
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
+import androidx.hilt.navigation.compose.hiltViewModel
 import androidx.lifecycle.compose.LocalLifecycleOwner
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import androidx.lifecycle.flowWithLifecycle
-import androidx.lifecycle.viewmodel.compose.viewModel
 import org.sopt.and.R
 import org.sopt.and.core.designsystem.component.SocialAccountGroup
 import org.sopt.and.core.designsystem.component.text.BulletAnnotedText
@@ -36,7 +35,7 @@ import org.sopt.and.presentation.signup.state.SignUpUiState
 fun SignUpRoute(
     navigateUp: (String, String) -> Unit,
     modifier: Modifier = Modifier,
-    viewModel: SignUpViewModel = viewModel(),
+    viewModel: SignUpViewModel = hiltViewModel(),
 ) {
     val uiState by viewModel.uiState.collectAsStateWithLifecycle()
     val lifecycleOwner = LocalLifecycleOwner.current
@@ -57,9 +56,8 @@ fun SignUpRoute(
         uiState = uiState,
         onIdChange = viewModel::updateId,
         onPasswordChange = viewModel::updatePassword,
-        onSignUpButtonPress = {
-            if (uiState.isButtonEnabled) viewModel.checkTextFields()
-        },
+        onHobbyChange = viewModel::updateHobby,
+        onSignUpButtonPress = viewModel::registerUser,
         onCloseClick = {}
     )
 }
@@ -70,6 +68,7 @@ private fun SignUpScreen(
     onCloseClick: () -> Unit,
     onIdChange: (String) -> Unit,
     onPasswordChange: (String) -> Unit,
+    onHobbyChange: (String) -> Unit,
     onSignUpButtonPress: () -> Unit,
     modifier: Modifier = Modifier,
 ) {
@@ -91,7 +90,6 @@ private fun SignUpScreen(
             hint = stringResource(R.string.signup_text_field_id_hint),
             onValueChange = onIdChange,
             value = uiState.id,
-            cursorBrush = SolidColor(Color.Blue),
             modifier = Modifier.padding(top = 20.dp, start = 5.dp, end = 5.dp)
         )
         Text(
@@ -105,7 +103,7 @@ private fun SignUpScreen(
             hint = stringResource(R.string.signup_text_field_pw_hint),
             value = uiState.password,
             onValueChange = onPasswordChange,
-            modifier = Modifier.padding(top = 10.dp, start = 5.dp, end = 5.dp)
+            modifier = Modifier.padding(top = 15.dp, start = 5.dp, end = 5.dp)
         )
         Text(
             text = stringResource(R.string.signup_text_field_pw_guide),
@@ -114,6 +112,19 @@ private fun SignUpScreen(
             modifier = Modifier.padding(start = 5.dp, end = 5.dp)
         )
 
+        WavveBasicTextField(
+            hint = stringResource(R.string.signup_text_field_hobby_hint),
+            value = uiState.hobby,
+            onValueChange = onHobbyChange,
+            modifier = Modifier.padding(top = 15.dp, start = 5.dp, end = 5.dp)
+        )
+        Text(
+            text = stringResource(R.string.signup_text_field_hobby_guide),
+            color = Color.Gray,
+            fontSize = 12.sp,
+            modifier = Modifier.padding(start = 5.dp, end = 5.dp)
+        )
+
         SocialAccountGroup(modifier = modifier.padding(top = 40.dp))
 
         BulletAnnotedText(
@@ -138,6 +149,7 @@ fun SignUpScreenPreview() {
         onCloseClick = {},
         onIdChange = {},
         onPasswordChange = {},
+        onHobbyChange = {},
         onSignUpButtonPress = {}
     )
 }
\ No newline at end of file
diff --git a/app/src/main/java/org/sopt/and/presentation/signup/SignUpViewModel.kt b/app/src/main/java/org/sopt/and/presentation/signup/SignUpViewModel.kt
index e114dc6..39838f3 100644
--- a/app/src/main/java/org/sopt/and/presentation/signup/SignUpViewModel.kt
+++ b/app/src/main/java/org/sopt/and/presentation/signup/SignUpViewModel.kt
@@ -2,6 +2,7 @@ package org.sopt.and.presentation.signup
 
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
+import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.asSharedFlow
@@ -9,9 +10,15 @@ import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch
 import org.sopt.and.R
+import org.sopt.and.domain.entity.User
+import org.sopt.and.domain.repository.SignUpRepository
 import org.sopt.and.presentation.signup.state.SignUpUiState
+import javax.inject.Inject
 
-class SignUpViewModel : ViewModel() {
+@HiltViewModel
+class SignUpViewModel @Inject constructor(
+    private val signUpRepository: SignUpRepository
+) : ViewModel() {
     private val _uiState = MutableStateFlow(SignUpUiState())
     val uiState = _uiState.asStateFlow()
 
@@ -32,54 +39,34 @@ class SignUpViewModel : ViewModel() {
         updateButtonEnabled()
     }
 
+    fun updateHobby(hobby: String) {
+        _uiState.update { currentState ->
+            currentState.copy(hobby = hobby)
+        }
+        updateButtonEnabled()
+    }
+
     private fun updateButtonEnabled() = _uiState.update { currentState ->
         currentState.copy(
-            isButtonEnabled = _uiState.value.id.isNotBlank() && _uiState.value.password.isNotBlank()
+            isButtonEnabled = _uiState.value.id.isNotBlank()
+                    && _uiState.value.password.isNotBlank()
+                    && _uiState.value.hobby.isNotBlank()
         )
     }
 
-    fun checkTextFields() = viewModelScope.launch {
-        if (_uiState.value.isButtonEnabled) {
-            val isValidEmail = isValidEmail(_uiState.value.id)
-            val isValidPassword = isValidPassword(_uiState.value.password)
-
-            when {
-                isValidEmail && isValidPassword -> {
-                    with(_sideEffect) {
-                        emit(SignUpSideEffect.Toast(R.string.signup_toast_success))
-                        emit(SignUpSideEffect.NavigateUp)
+    fun registerUser() = viewModelScope.launch {
+        with(_uiState.value) {
+            if (isButtonEnabled) {
+                signUpRepository.registerUser(User(id, password, hobby))
+                    .onSuccess { response ->
+                        _sideEffect.emit(SignUpSideEffect.Toast(response.message))
+                        if (response.id != null) {
+                            _sideEffect.emit(SignUpSideEffect.NavigateUp)
+                        }
+                    }.onFailure {
+                        _sideEffect.emit(SignUpSideEffect.Toast(R.string.signup_toast_failure_unknown))
                     }
-                }
-
-                !isValidEmail -> _sideEffect.emit(SignUpSideEffect.Toast(R.string.signup_toast_failure_email))
-                else -> _sideEffect.emit(SignUpSideEffect.Toast(R.string.signup_toast_failure_password))
             }
         }
     }
-
-    private fun isValidEmail(email: String): Boolean = email.matches(EMAIL_REGEX.toRegex())
-
-    private fun isValidPassword(password: String): Boolean {
-        var count = 0
-
-        if (password.contains(UPPER_CASE_REGEX.toRegex())) count++
-        if (password.contains(LOWER_CASE_REGEX.toRegex())) count++
-        if (password.contains(DIGIT_REGEX.toRegex())) count++
-        if (password.contains(SPECIAL_CHAR_REGEX.toRegex())) count++
-
-        return password.length in PWD_LENGTH_MIN..PWD_LENGTH_MAX && count >= PWD_TYPE_MIX
-    }
-
-    companion object {
-        private const val PWD_LENGTH_MIN = 8
-        private const val PWD_LENGTH_MAX = 20
-        private const val PWD_TYPE_MIX = 3
-
-        const val EMAIL_REGEX = "^[A-Za-z0-9+_.-]+@[A-Za-z0-9.-]+\$"
-        const val UPPER_CASE_REGEX = "[A-Z]"
-        const val LOWER_CASE_REGEX = "[a-z]"
-        const val DIGIT_REGEX = "[0-9]"
-        const val SPECIAL_CHAR_REGEX = "[!@#\$%^&*(),.?\":{}|<>]"
-
-    }
 }
\ No newline at end of file
diff --git a/app/src/main/java/org/sopt/and/presentation/signup/state/SignUpUiState.kt b/app/src/main/java/org/sopt/and/presentation/signup/state/SignUpUiState.kt
index a6592a9..87f8716 100644
--- a/app/src/main/java/org/sopt/and/presentation/signup/state/SignUpUiState.kt
+++ b/app/src/main/java/org/sopt/and/presentation/signup/state/SignUpUiState.kt
@@ -3,5 +3,6 @@ package org.sopt.and.presentation.signup.state
 data class SignUpUiState(
     val id: String = "",
     val password: String = "",
+    val hobby: String = "",
     val isButtonEnabled: Boolean = false
 )
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 9487a88..7fb8b4b 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -7,16 +7,21 @@
     <string name="signup_intro2">만으로\n</string>
     <string name="signup_intro3">Wavve를 즐길 수 </string>
     <string name="signup_intro4">있어요!</string>
-    <string name="signup_text_field_id_hint">wavve@example.com</string>
-    <string name="signup_text_field_id_guide">로그인, 비밀번호 찾기, 알림에 사용되니 정확한 이메일을 입력해주세요</string>
+    <string name="signup_text_field_id_hint">Wavve 아이디 설정</string>
+    <string name="signup_text_field_id_guide">로그인, 비밀번호 찾기, 알림에 사용됩니다. 8자 이내로 입력해주세요.</string>
     <string name="signup_text_field_pw_hint">Wavve 비밀번호 설정</string>
-    <string name="signup_text_field_pw_guide">비밀번호는 8~20자 이내로 영문 대소문자, 숫자, 특수문자 중 3가지 이상 혼용하여 입력해주세요.</string>
+    <string name="signup_text_field_pw_guide">비밀번호는 8자 이내로 입력해주세요.</string>
+    <string name="signup_text_field_hobby_hint">취미 (예시: 영화, 음악, 게임)</string>
+    <string name="signup_text_field_hobby_guide">취미는 8자 이내로 입력해주세요.</string>
     <string name="signup_divider">또는 다른 서비스 계정으로 가입</string>
     <string name="signup_text_sns_guide">"\tSNS계정을 간편하게 가입하여 서비스를 이용하실 수 있습니다. 기\n\t존 POOQ 계정 또는 Wavve 계정과는 연동되지 않으니 이용에 참고\n\t하세요."</string>
     <string name="signup_button_signup">Wavve 회원가입</string>
     <string name="signup_toast_success">회원가입을 성공했습니다.</string>
     <string name="signup_toast_failure_email">이메일 형식이 올바르지 않습니다.</string>
     <string name="signup_toast_failure_password">비밀번호 형식이 올바르지 않습니다.</string>
+    <string name="signup_toast_failure_out_of_range">모든 입력은 8자 이하여야 합니다.</string>
+    <string name="signup_toast_failure_id_exist">이미 존재하는 아이디입니다.</string>
+    <string name="signup_toast_failure_unknown">회원가입에 실패하였습니다.</string>
 
     <!--SignIn-->
     <string name="signin_top_bar_title">WAVVE</string>
@@ -30,6 +35,7 @@
     <string name="signin_divider">또는 다른 서비스 계정으로 로그인</string>
     <string name="signin_text_sns_guide">"\tSNS계정을 간편하게 가입하여 서비스를 이용하실 수 있습니다.\n\t기존 POOQ 계정 또는 Wavve 계정과는 연동되지 않으니 이용에 참고하세요."</string>
     <string name="signin_snackbar_fail">아이디 또는 비밀번호가 일치하지 않습니다.</string>
+    <string name="signin_snackbar_success">로그인에 성공했습니다.</string>
     <string name="signin_snackbar_cancel">닫기</string>
 
     <!--MyPage-->
@@ -43,7 +49,6 @@
     <string name="mypage_content_empty1">시청내역이 없어요.</string>
     <string name="mypage_content_title2">관심 프로그램</string>
     <string name="mypage_content_empty2">관심 프로그램이 없어요.</string>
-    <string name="mypage_snackbar_signin_success">로그인에 성공했습니다.</string>
     <string name="mypage_snackbar_cancel">닫기</string>
     <string name="mypage_button_logout">로그아웃</string>
 
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 7b787ac..ff7a96b 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -33,6 +33,11 @@ room = "2.5.1"
 ## Coil
 coil = "2.7.0"
 
+## Retrofit
+okhttp = "4.12.0"
+retrofit = "2.11.0"
+retrofitJsonConverter = "1.0.0"
+
 
 [libraries]
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
@@ -79,6 +84,14 @@ room-compiler = { group = "androidx.room", name = "room-compiler", version.ref =
 ## coil
 coil = {group = "io.coil-kt", name="coil-compose", version.ref="coil"}
 
+## retrofit
+okhttp = { group = "com.squareup.okhttp3", name = "okhttp" }
+okhttp-bom = { group = "com.squareup.okhttp3", name = "okhttp-bom", version.ref = "okhttp" }
+okhttp-logging = { group = "com.squareup.okhttp3", name = "logging-interceptor", version.ref = "okhttp" }
+retrofit = { group = "com.squareup.retrofit2", name = "retrofit", version.ref = "retrofit" }
+retrofit-kotlinx-serialization-converter = { group = "com.jakewharton.retrofit", name = "retrofit2-kotlinx-serialization-converter", version.ref = "retrofitJsonConverter" }
+
+
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }
 kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }