Overview
Developed a real-time collaborative code editor supporting 10+ simultaneous users per session. Implemented Operational Transformation for conflict-free editing, integrated Monaco editor (VS Code engine), and sandboxed code execution.
Key Features
Real-time multi-user editing with cursor positions
Conflict-free synchronization (Operational Transformation)
Syntax highlighting for 20+ languages
Sandboxed code execution (Docker containers)
Integrated chat + voice communication
Architecture
Node.js server handling OT operations, WebRTC for peer-to-peer communication, Monaco editor integration, Docker-based code execution sandboxes with resource limits, WebSocket real-time sync.
Technology Stack
Detailed technical blog post coming soon. This project showcases production-grade architecture and real-world problem solving.