Dhiraj Kumar

Background

About Dhiraj Kumar

Hi! I’m Dhiraj Kumar, a backend developer with 5+ years of experience building efficient, scalable, and secure backend systems. I love turning complex problems into simple, elegant solutions using Node.js, NestJS, Express, and Spring Boot. My journey into development started during my university days, where I built a strong foundation in JavaScript, TypeScript, and Java. Over the years, I’ve worked with various databases (PostgreSQL, MySQL, MongoDB) and cloud services like AWS (EC2, S3, Cognito, AppSync, Amplify) to create high-performance applications. What I Do Best: API Development – REST, GraphQL, and seamless integrations System Design – Scalable architectures, SOLID principles, and best practices Performance Optimization – Caching (Redis, Memcached), database tuning Security & Authentication – OAuth, JWT, role-based access control Collaboration & Problem-Solving – Debugging, troubleshooting, and mentoring I’ve had the opportunity to work directly with clients, ensuring their needs are met with high-quality backend solutions. I also enjoy mentoring junior developers, fostering a culture of knowledge-sharing and teamwork. What’s Next? I’m always eager to learn and grow. Currently, I’m exploring AI, ML, and advanced cloud solutions to stay ahead in the ever-evolving tech landscape. My goal? To build innovative solutions that make a real impact. Beyond Coding When I’m not working, you’ll find me listening to music, exploring new technologies, or learning something new. I believe in continuous growth—both professionally and personally. 🤝 Let’s Connect! If you’d like to discuss tech, collaborate, or just chat—feel free to reach out!