LinkedIn • LeetCode • GitHub • Email

I’m a Software Engineer at HDFC Bank, working on high-impact backend + full-stack systems for the Xpress Car Loan (XCL) platform.
I specialize in Java, Spring Boot, Microservices, Distributed Systems, and Angular, and I love building scalable systems that directly impact millions of users.

🏫 B.Tech, Electrical Engineering — IIT Bhubaneswar
💼 2.5+ years professional experience
📍 Bengaluru, India

July 2023 – Present | Bengaluru, India

• Integrated an OCR-based IDRS module with upload, callback & polling → reduced document submission errors by 35%.
• Built API-driven microservices for vendor/API switches, RBI updates → 25% faster release cycles.
• Implemented SSO across XCL platforms → eliminated redundant OTP flows, improved authentication funnel by 83.5%.
• Integrated Resulticks SDK → re-engagement improved 15%.
• Upgraded streaming pipeline to Azure Event Hubs, reducing data leakage from 26% → 2%.

May 2022 – July 2022 | Bengaluru, India

• Refactored DB connectivity + implemented caching → API latency reduced by 30%.
• Built scalable AWS CDK infra (Lambda, VPC, SGs, ElastiCache) → setup time reduced by 40%.
• Scaled system from 400 TPS → 2000 TPS with high availability & performance.
• Achieved ~100% unit test coverage, validated with JMeter load tests.

🔗 GitHub: https://github.com/Rj-coder-iitian/HealStack

• Built Spring Boot microservices (patients, billing, analytics, auth).
• JWT auth + RBAC + API Gateway (REST + gRPC).
• Kafka + Protobuf for real-time streaming analytics.
• Containerized with Docker.
• Achieved 30% faster API response & supported 1K+ concurrent requests.

🔗 GitHub: https://github.com/Rj-coder-iitian/Airbnb-clone

• Spring Boot + Angular + PostgreSQL.
• Fully responsive booking flow (20% improved efficiency).
• Auth0 (OAuth2) for secure authentication.
• Handles 1000+ concurrent test users.

Java • JavaScript • C • C++ • SQL

Spring Boot • REST APIs • GraphQL • SOAP
JUnit • Mockito

Angular • HTML • CSS • Bootstrap

Docker • Kubernetes • AWS (Lambda, ElastiCache)
Git • Firebase

Data Structures & Algorithms • OOP
System Design • Distributed Systems

📧 Email: rj17@iitbbs.ac.in
🔗 LinkedIn: https://www.linkedin.com/in/rishabjn/
👨‍💻 LeetCode: https://leetcode.com/u/R_J_/
📂 Resume: https://drive.google.com/file/d/1-W-xsv5wFeEo1HXIkhlEfZt68OZG4VSh/view?usp=sharing

⭐ Feel free to explore my repositories and reach out for collaborations!