Shashwat Kumar Singh
Senior Backend Engineer
London, UK | 🇬🇧WORK
Qelaura Backend
Enterprise Social Content Management Platform built with TypeScript, NestJS, MongoDB, MySQL, Redis, AWS, Docker, and gRPC
Qelaura WebSocket Microservice
Enterprise Real-Time Communication Platform supporting 50k+ concurrent connections with Go, WebSockets, Redis, MongoDB, gRPC, NGINX, and Docker
URL Shortener
Production-grade URL shortening microservice with Go 1.25, MongoDB, Redis, featuring Snowflake ID generation and 10,000+ clicks/second throughput