Abhishek Kumar

Developer at TCS | Ex-Rapido

Role: Full Stack Developer at Tata Consultancy Services
Location: Kolkata, WB, IN
LinkedIn followers: 500 followers

Information TechnologyView LinkedIn profile

Experience

Full Stack Developer
Tata Consultancy Services
May 2025 — Present · Kolkata, IN
Designed and delivered a ReactJS based migration management console, enabling real-time migration monitoring, dynamic system configuration in 3 seconds, and on-demand SQL query execution with sub-200ms latency cutting operational response times from 20 minutes to 5 minutes and reducing manual coordination by over 200 hours per migration cycle- Engineered and deployed a FastAPI driven asynchronous API framework orchestrating the full PostgreSQL → Transformation → XML → IBM MQ. Achieved 100% delivery accuracy, processed 4+ billion records with sustained throughput of 10 million+ records per day, and reduced ETL execution time from 14 hours to 6 hours (59% improvement)- Implemented a high-availability Order Adapter Service for our client, leading UK retailer Wickes, using Spring Boot to act as the integration bridge between the frontend and backend payment fulfillment systems, boosting transaction throughput from 1,200 TPS to 1,680 TPS (43% uplift) and maintaining 96.51% production uptime since deployment.

Education

Institute of Engineering & Management (IEM)
Bachelor of Technology - BTech, Computer Science
2020 — 2024
ALLEN
JEE(Mains+Advanced) Preparation
2017 — 2020
DAV Public School, Muzaffarpur
10th, CBSE Board
2007 — 2017

Contact information

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Current company

Tata Consultancy Services

IT Services and IT Consulting · 726K employees · Founded 1968 · Mumbai, India

Tata Consultancy Services (TCS) is the technology partner of choice for industry leading organizations worldwide. Since its inception in 1968, TCS has upheld the highest standards of innovation, engineering excellence, and customer service. It has set an aspiration to become the world's largest AI-led technology services company and is enabling its clients to transform themselves across the full AI stack, from infrastructure to intelligence. Rooted in the heritage of the Tata Group, TCS is focused on creating long term value for its clients, its investors, its employees, and the community at large. With a highly skilled workforce spread across 55 countries and 202 service delivery centers across the world, the company has been recognized as a top employer in six continents. With the ability to rapidly apply and scale new technologies, the company has built long term partnerships with its clients – helping them emerge as perpetually adaptive enterprises. Many of these relationships have endured into decades and navigated every technology cycle, from mainframes in the 1970s to artificial intelligence today. TCS sponsors 14 of the world’s most prestigious marathons and endurance events, including the TCS New York City Marathon, TCS London Marathon and TCS Sydney Marathon with a focus on promoting health, sustainability, and community empowerment. Caution against fraudulent job offers: TCS doesn’t charge any fee throughout the recruitment process. Refer here: https://www.tcs.com/careers/india/recruitment-fraud-alert

tcs.com

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Experience

Full Stack Developer

Education

Institute of Engineering & Management (IEM)

ALLEN

DAV Public School, Muzaffarpur

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