CodePair

Real-time Technical Interview Platform

Overview

CodePair is a platform for conducting remote technical interviews with integrated code editing and real-time communication features. It helps technical teams evaluate candidates through live coding sessions with built-in video, chat, and collaborative code editing capabilities.

Frontend

• Framework: React with TypeScript + Tanstack, TailwindCSS
• Editor: Monaco Editor, TipTap (for the Notes)

Backend

• HTTP Servers: Gin (Core) + nbio (Non-blocking HTTP Server), Fiber (Peer)
• Database: PostgreSQL, GORM
• Real-time: WebRTC, WebSocket
• Utils: Zap Logger, JWT

Application Screenshots

Dashboard & Room Management

Account Management

Interview Sessions

Authentication

Getting Started

Prerequisites

Tool	Version
Node.js	v22+
Go	v1.22+
Docker	Latest
PNPM	v8+

Installation

1. Clone the repository:

git clone https://github.com/elskow/codepair.git
cd codepair

2. Set up the development environment:

make setup

3. Start the development servers:

make dev

Development Commands

Command	Description
make dev-deps	Install dependencies
make dev	Start all services
make dev-core	Start core service
make dev-peer	Start peer service
make dev-client	Start client application
make stop	Stop all services
make clean	Clean up environment

Architecture

graph TD
    Client[Client Application] --> Core[Core Service]
    Client --> Peer[Peer Service]
    Core --> DB[(PostgreSQL)]
    Peer --> WebRTC[WebRTC Signaling]

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CodePair follows a microservices architecture with three main components:

• Core Service: Handles business logic and data management
• Peer Service: Manages WebRTC connections and real-time communication
• Client Application: Provides the user interface and interaction layer