DEVANG KAUSHIK - System Engineer (Backend Engineer) - Tata Consultancy Services

Summary

Software Engineer with 2.5+ years of experience in developing and scaling enterprise-level backend systems. Specialized in modernizing legacy architectures through Java 17 and Spring Boot, with a core focus on improving system throughput and maintainability. Proven expertise in transitioning monolithic applications to distributed microservices while ensuring high availability and data integrity in complex retail environments.

Overview

2

years of professional experience

Work History

System Engineer (Backend Engineer)

Tata Consultancy Services

Kolkata

09.2023 - Current

Architectural Modernization: Led the refactoring of a monolithic Oracle Retail suite into a high-availability microservices architecture using Java 17 and Spring Boot, implementing the Strangler Fig pattern to ensure 100% system uptime during transition.
Performance Engineering: Reduced critical transaction latency by 30% by performing deep-dive JVM thread dump and WebLogic log analysis to identify and resolve synchronous I/O bottlenecks and memory leaks.
Scalable Data Modeling: Engineered a high-throughput data layer by migrating volatile inventory datasets from Oracle to DynamoDB, utilizing optimized partition keys and Spring Data JPA to handle high-concurrency retail spikes.
Cloud-Native Integration: Designed and deployed asynchronous event-driven workflows using AWS Lambda and S3, automating real-time data synchronization between on-premise POS terminals and cloud-centralized analytics.
Observability & Reliability: Achieved 90%+ test coverage across critical payment paths by implementing rigorous unit and integration testing with JUnit 5.
CI/CD Leadership: Spearheaded the transition to automated deployment by architecting GitLab CI pipelines, standardizing the build-test-deploy lifecycle for containerized microservices.

Education

Bachelor Of Technology - Computer Science & Engineering

Indian Institute Of Information Technology

Pune

06.2023

Senior Secondary - Bharatpur

Delhi Public School

Bharatpur

06.2017

Skills

Languages: Java 17, Java 8, PL/SQL, Bash, JavaScript, C
Frameworks: Spring Boot 3x, Spring MVC, Spring Data JPA, Hibernate, React
Distributed Systems & Cloud: AWS (EC2, S3, RDS, Lambda, DynamoDB), Docker, WebLogic

Data Stores: DynamoDB, Oracle 19c, MySQL, Redis (Caching)
DevOps & Testing: GitLab CI, Flexdeploy, Git, HVR, JUnit 5, JIRA, Postman, SNOW

Projects

Distributed API Gateway & Rate Limiter

Built a centralized API Gateway using Spring Cloud Gateway and Java 17 to protect downstream services from traffic spikes.
Implemented a Token Bucket algorithm with Redis to manage distributed state and ensure high system availability.
Orchestrated a multi-service environment using Docker Compose with automated health checks and inter-service networking.

Work Preference

Job Search Status

Open to work

Salary Range

₹1500000/yr - ₹2000000/yr

Timeline