https://sibilsarjamsoren.in Backend engineer writing about distributed systems, Node.js and TypeScript — CAP theorem, availability patterns, caching and API design. en Fri, 12 Jun 2026 00:00:00 GMT https://sibilsarjamsoren.in/blog/distributed-rate-limiting-redis-lua https://sibilsarjamsoren.in/blog/distributed-rate-limiting-redis-lua Why single-server rate limiting fails in production, and how to build a resilient, distributed rate limiter using Express, Redis, and Lua. Fri, 12 Jun 2026 00:00:00 GMT Sibil Sarjam Soren Architecture Node.js Redis Distributed Systems https://sibilsarjamsoren.in/blog/http-rest-api https://sibilsarjamsoren.in/blog/http-rest-api A visual guide to how the web communicates, exploring the fundamentals of HTTP and the principles of RESTful architecture. Sun, 11 Jan 2026 00:00:00 GMT Sibil Sarjam Soren Web Development HTTP REST API Basics https://sibilsarjamsoren.in/blog/availability-patterns https://sibilsarjamsoren.in/blog/availability-patterns How to design highly available systems using fail-over and replication techniques, including uptime calculations and real-world examples. Fri, 26 Dec 2025 00:00:00 GMT Sibil Sarjam Soren Architecture High Availability Distributed Systems SRE https://sibilsarjamsoren.in/blog/understanding-cap-theorem https://sibilsarjamsoren.in/blog/understanding-cap-theorem Why distributed systems can't have it all, and how to make the right tradeoffs for your application. Wed, 24 Dec 2025 00:00:00 GMT Sibil Sarjam Soren Architecture Databases Distributed Systems https://sibilsarjamsoren.in/blog/solid-principles-explained https://sibilsarjamsoren.in/blog/solid-principles-explained A comprehensive guide to building maintainable and scalable software using the five pillars of object-oriented design. Tue, 24 Dec 2024 00:00:00 GMT Sibil Sarjam Soren Architecture Design Patterns Clean Code Engineering