Sankar Biswas
Senior Backend Engineer NestJS at Fourth Dimension (4D)
Kolkata, West Bengal, India
Summary
👤
Senior🎓
Top SchoolSankar Biswas is a Senior Backend Engineer and technical lead with 8+ years designing scalable Node.js/TypeScript backends, modular monoliths, and payment systems for high-frequency consumer platforms. He has a proven track record of performance-driven refactors—most notably cutting 28 background jobs from two hours to two minutes—and building Redis-backed leaderboards, central banking services, and worker-based feed pipelines. Currently focused on NestJS and Azure-based distributed pipelines for a North American QAC application, he also manages observability with Elasticsearch/Kibana and containerized deployments. Experienced in leading cross-functional teams and driving ISO-aligned SDLC and Agile transformations, he blends hands-on coding with process and architecture ownership. Sankar actively experiments with applied AI (LangChain, RAG, Ollama) to automate backend workflows, reflecting a practical curiosity beyond typical backend responsibilities. Based in Kolkata, he combines fintech and gaming-grade reliability with a taste for operationally sustainable systems.
8 years of coding experience
5 years of employment as a software developer
Bachelor of Technology (B.Tech.), COMPUTER SCIENCE AND ENGINEERING, Bachelor of Technology (B.Tech.), COMPUTER SCIENCE AND ENGINEERING at Sabita Devi Education Trust, Brainware Group of Institutions 270DIPLOMA, COMPUTER SCIENCE AND ENGINEERING, DIPLOMA, COMPUTER SCIENCE AND ENGINEERING at B.S.F. INSTITUTE OF TECHNOLOGY, Bangalore-63
Stackoverflow
43reputation
2kreached
4answers
5questions
Github Skills (50)
eloquent9
mongoose9
laravel9
mongodb9
php8
npm-scripts8
expressjs8
contenteditable7
joi7
draft-js7
orm7
moloquent7
role-based7
laravel-framework7
npx7
Programming languages (4)
Github contributions (5)
sankarbiswas07/add-mate
Jan 2019 - Mar 2019
a npm package which will be a help for nodejs project
Contributions:34 commits, 5 PRs, 29 pushes in 2 months
npxnpm-packagejavascriptnodejsnpm
sankarbiswas07/boilerplate-js
Jan 2021 - Jan 2025
Simple express js starter project
Contributions:14 PRs, 7 pushes, 5 branches in 4 years
boilerplateexpressjsexpressexpress-jsnodejs
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