Headline

Backend Engineer (Java · Spring Boot · Microservices) | Production Fintech Systems | LLM/RAG Integration | AWS Certified | NIT Rourkela | Open to SDE-1

About

Backend Engineer | Java · Spring Boot · LLM/RAG | Fintech Production Systems I build backend systems that handle real money at real scale. Currently at Accenture, I've worked on production microservices for Bank of Ireland (high-volume transaction pipelines) and Legal & General (insurance platform backend), writing Java and Spring Boot services that run in AWS-hosted environments with Redis caching, MySQL, and Docker-containerized deployments. What I've shipped: Microservices handling high daily transaction volumes with optimized Redis cache layers (60%+ cache hit improvement) REST APIs with Spring Security, JWT-based auth, and OAuth2 flows for fintech clients LLM/RAG pipeline integrating OpenAI APIs + pgvector on PostgreSQL — built as a personal project to deepen AI-backend skills CI/CD pipelines on AWS, Docker, and automated testing with TDD practices Stack: Java · Spring Boot · Spring Security · REST APIs · Microservices · Redis · MySQL · PostgreSQL · pgvector · OpenAI API · AWS · Docker · CI/CD Credentials: M.Tech, NIT Rourkela AWS Generative AI Certification 450+ LeetCode problems Hackathon Finalist I'm actively exploring SDE-1 roles at product-based companies — fintech, GCCs, and high-growth tech. If you're hiring for backend engineering (Java/Spring Boot) or backend + AI roles, let's talk.

Location

Bengaluru

AI stack

claude code

claude

ChatGPT

Work experience

Associate Software Developer at Accenture, Oct 2024 - Present · 2 yrs 1 mo, Bengaluru, Karnataka, India, Actively working on Core Java, focusing on object-oriented programming, multithreading, and collections to build a strong programming foundation.

Research Assistant at National Institute of Technology Rourkela, Jun 2023 - Jun 2024 · 1 yr 1 mo, Raurkela, Odisha, India, I work as a research Assistant at my institution, where I honed my analysis and research skills. Committed to creating a supportive research environment to thrive in their academic pursuits.

Education

Master of Technology - MTech, Food Technology and Processing, National Institute of Technology Rourkela

Master of Technology - MTech, Farm machinery and power engineering, Indira Gandhi Krishi Vishwavidyalaya, Raipur

Public links

leetcode: https://leetcode.com/annoy_ng

github: https://github.com/himanidewangan