Microservices & REST APIs

End-to-end service design, from data modeling to API endpoints to scalability considerations. These are the kinds of systems that back real products.

• Comments API, Threaded comments with parent-child sorting
• Employees API, Employee management with relationship tracking
• Data Ingestion & Processor, XML-to-JSON pipeline with scheduled ingestion and REST API
• Event/Message Processor, High-throughput message system with queue-based decoupling
• Railway Routing, Cost-optimized route calculation
• Restaurant Management, Full CRUD system for restaurant operations