Hi! I'm Raj Kumar Dutta, a Senior Backend Developer passionate about solving complex engineering challenges and building scalable systems. Thank you for visiting my GitHub! 😄
Explore my developer portfolio for detailed projects and more insights. 🚀
- Build scalable microservices in Java/Spring Boot & Kotlin
- Design event-driven systems with Kafka & GCP Pub/Sub
- Implement secure authentication using JWT, RBAC
- Integrate CI/CD pipelines with Azure DevOps, Jenkins, and SonarQube
- Optimize performance and database queries for high-throughput applications
- Mentor engineers and collaborate in Agile cross-functional teams
- Reduced API latency by 40% for global e-commerce backend
- Processed 1M+ orders/month with 99.99% uptime on event-driven platforms
- Deployed healthcare & insurance microservices serving millions of users
- 200+ LeetCode problems solved with 71% acceptance (mainly Java)