I develop high-performance backend systems and REST APIs for web applications, SaaS products, mobile apps, and business platforms.

What I can build: • REST APIs & backend services • Authentication & authorization • SaaS backend systems • Database architecture & integration • Payment & third-party API integrations • Webhooks & background jobs • Real-time applications with Socket.io • Admin & business APIs • File upload & processing systems • API optimization & performance improvements

What’s included: • Clean and maintainable backend architecture • REST API development • MongoDB, PostgreSQL & MySQL integration • JWT / OAuth authentication • Role-based access control • Third-party API integrations • Redis & background job processing • API validation & error handling • API documentation • Deployment-ready backend

Tech stack: Node.js, Express.js, Python, Django, MongoDB, PostgreSQL, MySQL, Redis, Socket.io, REST APIs and more.

Whether you're building a new product or need improvements to an existing backend, I can help design, develop, integrate, and optimize the system.