A modular backend system for managing travel expenses, built with Node.js and Express, featuring microservices, message queues, and integration with third-party APIs.

A scalable, real-time chat platform leveraging Web3 authentication, microservices architecture, and message queuing for high concurrency and performance.

Learn how I built a message queue microservice using gRPC and RabbitMQ, with support for direct and fanout publish/subscribe models.