Gaurav Kumar
@gauravkumar38
I build secure, scalable backend systems and full-stack applications with TypeScript and Node.js.
IndiaWhat I'm looking for
I'm building production-minded full-stack applications with Next.js, Node.js, TypeScript, PostgreSQL, Redis, and BullMQ.
In KietCabs, I built college-email OTP authentication with hashed OTPs, lockouts, rotating refresh tokens, atomic Redis Lua scripts, and safeguards against double-accepting cab-share requests.
For Nex, I designed asynchronous AI email-generation workflows using BullMQ and SSE, implemented Redis-backed rate limiting, and added Google OAuth with encrypted refresh tokens and secure JWT cookies.
I've also built Wrap, a URL shortener with cache-aside redirects, queued click analytics, and SSRF protections. I'm AWS Certified in Cloud and AI, and I've solved 300+ DSA problems across LeetCode and GeeksforGeeks.
Experience
Work history, roles, and key accomplishments
Backend Developer
KietCabs
Built a cab-share matching platform for college students with secure authentication and race-free rate limiting using Redis Lua scripts.
Backend Developer
Nex
Developed an AI cold-email drafting and job application tracker with queued email generation and streaming via SSE.
Backend Developer
Wrap
Created a URL shortener with real-time click analytics, using Redis caching and BullMQ for asynchronous processing.
Education
Degrees, certifications, and relevant coursework
KIET Group of Institutions
Bachelor of Technology, Information Technology
2024 -
Grade: 8.24
Pursuing a Bachelor of Technology in Information Technology with a current CGPA of 8.24.
Availability
Location
IndiaAuthorized to work in
Job categories
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