About
Java Backend Developer with 2 years of experience at Tata Consultancy Services (TCS), specializing in Java, Spring Boot, REST APIs, Microservices, Apache Kafka, PostgreSQL, and Redis. Developed 200+ REST APIs for GeM 2.0's Bid module and improved API response time by approximately 30% through PostgreSQL query optimization and composite indexing. Experienced in building scalable, event-driven backend services with a focus on performance, testing, API integration, and maintainable design.
Skills & Expertise (36)
Work Experience
Assistant Systems Engineer
Tata Consultancy Services (TCS)
Oct 2024 - Present
Developed 200+ REST APIs for the Bid module, supporting procurement and e-bidding workflows in a large-scale government B2G platform. Implemented inter-service communication using Feign Client (OpenFeign) for reliable integration between microservices. Built event-driven workflows using Apache Kafka for real-time order processing and auction-related events. Optimized PostgreSQL queries using EXPLAIN ANALYZE and composite indexes, improving API response time by approximately 30%. Integrated Redis caching for frequently accessed catalogue and pricing data to reduce database load and improve service performance. Contributed to HLD/LLD discussions and applied Domain-Driven Design (DDD) concepts while defining microservice boundaries. Documented REST APIs using Swagger/OpenAPI and maintained 85%+ unit test coverage with JUnit and Mockito.
Education
B.Tech in Information Technology - Muzaffarpur Institute of Technology
2020 - 2024 · Afghanistan
Certifications
TCS Gems Certificate of Appreciation
Tata Consultancy Services · 2025
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Citizen
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Open to Relocation
Skills (36)
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