Summary
Full Stack Application Engineer with 2+ years of experience building scalable Java microservices, end-to-end web applications, and AI-powered features (Java, Spring Boot, Python, LangChain, React, AWS).
Technical Skills
- Languages: Java, Python, TypeScript, SQL · Spoken: English, Hindi, Bengali
- Frameworks & Libs: Spring Boot, Spring MVC, Spring Security, Spring Data JPA, Hibernate, REST APIs, Microservices, LangChain, React, Angular, Tailwind CSS
- AI: Generative AI, RAG, LangChain, LLM Integration
- Databases: PostgreSQL, Oracle, MySQL, Apache Kafka
- Tools & Platforms: AWS, AWS Transform, Azure PaaS, Docker, Jenkins, Git, Maven, SonarQube, Tomcat, JBoss, GitHub Copilot, CI/CD
- Methodologies: Agile, Scrum, Jira, Jile, Code Review
Professional Experience
System EngineerBhubaneswar, India
Element Fleet Management — Application Developer (Apr 2026 – Present)
- Modernized microservices from Java 8 / Spring Boot 1.x to Java 21 / Spring Boot 3.x using AWS Transform.
- Migrated infrastructure from JBoss to Azure Tomcat PaaS; refactored the iDeclare monolith into a standalone Spring Boot microservice with JWT-based Spring Security.
- Built Jenkins CI/CD pipelines with Docker deployments and authored 2,000+ JUnit test cases.
- Optimized SQL queries and APIs, achieving up to 20x faster response times.
- Utilized GitHub Copilot, Jira, and Jile within Agile workflows.
Ultimatix Platform — Application Developer (Sep 2024 – Mar 2026)
- Executed database migration from Oracle to PostgreSQL.
- Developed patent and trademark lifecycle modules using Core Java and Spring Boot.
- Optimized 7+ critical APIs, improving performance up to 30x under production load.
- Conducted technical interviews and onboarding knowledge transfers.
Projects
- Designed, built, and deployed a full-stack competitive programming platform end-to-end — live at algoguru.online with a custom purchased domain and production deployment.
- Features a Java Playground, role-based authentication, user progress tracking, and interactive problem sets built with React, TypeScript, Tailwind CSS, and a Supabase backend.
- Integrated an AI-powered "Guru Bot" using Python, LangChain, and RAG for contextual problem-solving guidance.
- Sole developer responsible for the complete product lifecycle — from architecture and implementation to deployment and domain configuration.
Achievements & Certifications
- Enterprise Java Modernisation — AWS Transform — Led remediation of enterprise microservices: Java 8 → 21, Spring Boot 1.x → 3.x, with up to 20× faster critical production APIs.
- Competitive Programming — 700+ problems solved across platforms — LeetCode Rating 1672 · Codeforces 1046 (Div 2) · CodeChef 1708 (3-Star) · CSES Problem Set.