Real projects with technical details, architecture decisions, and measurable outcomes. Here are some of the Node.js systems I have built and the results they delivered in production.
Featured Projects
SaaS backend for EdTech platform
Built a complete REST API with authentication, role-based access control, real-time notifications via Socket.io, and database architecture designed for 10,000+ concurrent users. Deployed on AWS with CI/CD pipeline through GitHub Actions.
Stack: Node.js, Express.js, PostgreSQL, Redis, Socket.io, Docker, AWS | Results: 99.9% uptime, 50ms average response time, 10,000+ concurrent users supported
Real-time notification system
WebSocket-based notification system handling over 1 million events daily. Room-based message routing, horizontal scaling with Redis adapter, delivery guarantees with acknowledgment tracking, and fallback transports for environments where WebSockets are unavailable.
Stack: Node.js, Socket.io, Redis, MongoDB | Results: 200,000 concurrent connections supported, 1M+ daily events processed
Custom CRM backend
Multi-tenant CRM system with custom field definitions, workflow automation engine, reporting and analytics dashboard, and integrations with email and payment platforms. Designed for 500+ users across 30 organizations.
Stack: Node.js, Express.js, PostgreSQL, Elasticsearch | Results: 500+ users, 30 organizations, 99.9% uptime
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