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Backend
WebSockets
Redis
Node.js
System Design

How I Built a Real-Time Chat App with WebSockets, Redis & Node.js

A deep dive into building a production-ready real-time chat system — covering WebSocket connections, Redis pub/sub for horizontal scaling, message persistence, and the hard lessons I learned shipping it to 10,000 users.

May 10, 2026·1 min readRead  →
PostgreSQL
Database
Optimization

Mastering PostgreSQL: Indexing and Query Optimization

Database bottlenecks are often the silent killers of web application performance. This guide walks through practical strategies for analyzing execution plans.

February 24, 2026·1 min readRead  →
Node.js
TypeScript
NestJS

Building Scalable Backends with Node.js and TypeScript

An exploration into structuring modern enterprise APIs. In this post, I dive deep into architectural patterns, static typing benefits, and how to maintain high performance.

March 10, 2026·1 min readRead  →