I build secure, scalable, and high-performance backend systems using modern technologies.
I’m Sawan Kumar, a backend developer passionate about building efficient APIs, handling databases, and designing clean server-side architectures. I enjoy solving complex problems and optimizing backend performance.
JavaScript, Python, Java, SQL
Node.js, Express, NestJS, Django
MongoDB, MySQL, PostgreSQL, Redis
Git, Docker, Postman, Linux
Secure authentication system with JWT, role-based access, and REST APIs using Node.js and MongoDB.
Scalable backend with products, orders, and payments using NestJS and PostgreSQL.
CRUD API for posts and comments with authentication using Django.
Email: sawan.kumar@email.com
GitHub: github.com/sawankumar
LinkedIn: linkedin.com/in/sawankumar