I offer robust and scalable backend development services using Node.js, Express, Golang, and PostgreSQL. Whether you're building a REST API, integrating real-time features, or optimizing an existing system, I focus on clean architecture, security, and performance. I've worked on complex systems like AI-integrated hospital platforms, multiplayer game servers, and distributed video processing pipelines. I can deliver well-documented, production-ready backends tailored to your business needs.