Full Stack Application Engineer @ TCS
Aritra Dutta.
Full Stack Application Engineer building intelligent, large-scale systems at TCS — Java microservices with 30x performance gains, zero-downtime Azure migrations, and GenAI in production.
- Problems Solved
- 0+
- LeetCode Rating
- 0
- at TCS
- 0yr+
01/About
Get to know more about my background, education, and achievements
Who I am
Hello! I'm Aritra Dutta, a Full Stack Application Engineer with 2+ years at Tata Consultancy Services (TCS) in Bhubaneswar, India.
Currently modernizing enterprise backends serving 10K+ daily users with Java (8 to 21), Spring Boot 3, PostgreSQL, AWS, and Azure PaaS. Executing remediation and cloud migrations for clients like Element Fleet Management. I also build AI-powered features with Python, LangChain, and RAG.
Driven by a love for competitive programming — 700+ problems solved, LeetCode rating 1672.
Beyond coding I enjoy gaming, traveling, and music. I believe in continuous learning and always exploring new technologies.
When I'm not coding
Education
B.Tech in Electronics & Communication Engineering
Maulana Abul Kalam Azad University of Technology (MAKAUT)
Higher Secondary (XII)
WBCHSE
Secondary (X)
WBBSE
Key achievements
Enterprise Java Modernisation — AWS Transform: Java 8 → 21, Spring Boot 3.x, 20× faster critical APIs
Competitive Programming: 700+ problems solved across platforms
LeetCode Rating 1672
Codeforces 1046 (Div 2)
CodeChef 1708 (3-Star)
Solved over 100 problems in CSES Problem Set
02/Skills
Technologies and tools I work with to bring ideas to life
Programming Languages
Frameworks & Libraries
Databases & Tools
Cloud & DevOps
Also experienced with
Spoken languages — English · Hindi · Bengali
AI & LLM integration
Competitive Programming
Certifications
Enterprise Java Modernisation
AWS TransformProblem Solving (Intermediate)
HackerRankThe Complete Python Pro Bootcamp
UdemyObject Oriented Programming in Java
CourseraFull Stack Java: JAVA + JSP + SPRING + BOOT + JS + REACT
Udemy03/Portfolio
Projects showcasing my skills across various technologies and domains
Platform Statistics
04/Experience
My journey in the software engineering industry
System Engineer
Tata Consultancy Services
Full Stack Application Engineer with 2+ years building scalable Java microservices, end-to-end web applications, and AI-powered features — across the Ultimatix platform and Element Fleet Management.
Element Fleet Management
Apr 2026 – Present
Application Developer
- 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
Sep 2024 – Mar 2026
Application Developer
- 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.
Technologies Used
Key Achievements
- Optimized critical APIs achieving up to 30x faster response times under production load
- Authored 2,000+ JUnit test cases across Jenkins CI/CD pipelines
- Delivered zero-downtime production migration for 10K+ daily users
- Modernized Java 8→21 and Spring Boot 1.x→3.x in live production with backward compatibility
- Conducted technical interviews and led onboarding knowledge transfers
Professional Skills
Career Timeline
Sep 2024 – Present
System Engineer
TCS — Bhubaneswar, India
Sep 2024 – Nov 2024
ILP Training (ITIS Technology)
TCS — Thiruvananthapuram, IN
2020 – 2024
B.Tech + Competitive Programming
MAKAUT — Kolkata, WB
05/Writing
Sharing insights on programming, technology, and lessons from my development journey
Featured Posts
Mastering Data Structures and Algorithms: A Competitive Programmer's Journey
My experience solving 700+ problems across LeetCode, CodeForces, and CodeChef. Key insights and strategies that helped me achieve a 1672 rating.
Building Scalable REST APIs with Spring Boot and Hibernate
A comprehensive guide to creating enterprise-grade REST APIs using Spring Boot, covering best practices, security, and performance optimization.
Recent Posts
Mastering Data Structures and Algorithms: A Competitive Programmer's Journey
My experience solving 700+ problems across LeetCode, CodeForces, and CodeChef. Key insights and strategies that helped me achieve a 1672 rating.
Building Scalable REST APIs with Spring Boot and Hibernate
A comprehensive guide to creating enterprise-grade REST APIs using Spring Boot, covering best practices, security, and performance optimization.
From Algorithm Visualization to Production: My Development Journey
How I built an interactive algorithm visualizer and the lessons learned about clean code, user experience, and performance optimization.
Want to Read More?
Follow me for more insights, updates, and content about technology and development.
View All Posts06/Contact
Always open to discussing new opportunities, interesting projects, or just having a chat about technology.
Let's Connect
Whether you're looking to collaborate, need development help, or just want to connect — I'd love to hear from you!