---
title: "chetan kumar - SDE 3 in India | Tal"
description: "Meet chetan kumar, Senior Frontend Engineer | React, TypeScript, Next.js | Building Scalable UI & High-Performance Web Systems based in India. AI stack includes claude code, claude, and codex. Explore public work links including github."
image: "https://tal.club/meet/chetan-kumar/share-image"
---

# chetan kumar on Tal

## Headline

Senior Frontend Engineer \| React, TypeScript, Next\.js \| Building Scalable UI & High\-Performance Web Systems

## About

I build scalable, high\-performance front\-end platforms that support millions of users—without performance debt\. At CrewScale and beyond, I’ve specialized in driving complex migrations, building products, and maintaining 90%\+ test coverage\. I leverage an AI\-native workflow \(Cursor, Claude Code\) to accelerate product development with unit testing, allowing me to focus on high\-level architecture, Core Web Vitals optimization, and system reliability\. Core Expertise: React · Next\.js · TypeScript · GraphQL · Performance Auditing AI Workflow: Agentic Development \(Cursor / Claude\) · Automated Quality Gates · Prompt Engineering for Refactoring I am currently seeking Senior Frontend Engineering roles where I can drive 10x developer velocity through modern, AI\-augmented engineering practices\.

## Location

India

## AI stack

claude code

claude

codex

cursor

github copilot

opencode

## Work experience

SDE 3 at Crewscale, Nov 2025 \- Present · 10 mos, • Improved work verification resolution efficiency by 82% by architecting an AI\-assisted review system that automates photo analysis and generates review summaries for human verification\. • Led the development of an SLA management dashboard with priority\-based ticket tracking and performance leaderboards, improving SLA compliance by 40% through surfacing at\-risk tickets before deadlines\. • Achieved full compliance clearance by upgrading 12\+ vulnerable dependencies, remediating dependency CVEs and TypeScript type\-safety gaps, and resolving 114 security vulnerabilities across the application\.

SDE 2 at Crewscale, Nov 2023 \- Oct 2025 · 2 yrs, Engineered fulfilment features • Modernized the fulfilment frontend platform by leading its migration from React 17→18 and MUI 5→6, overcoming compatibility and TypeScript migration challenges to enable adoption of a new design system\. • Designed an operations dashboard with advanced filters, search, and customizable table columns, reducing ticket handling time by \~25%\. • Increased team’s development velocity by 20% by fixing test infrastructure and writing unit & integration test cases for 20\+ shared components with 90%\+ test coverage\. • Owned multiple front\-end services and shared libraries comprising 40\+ reusable components and 18 utilities, driving consistency and maintainability across 3\+ products used by globally distributed engineering teams\.

Frontend Engineer at Independent Consultant, Apr 2023 \- Oct 2023 · 7 mos, Remote, • Sole frontend architect for Orbit, a B2C application management platform serving 20,000\+ monthly users, achieving Core Web Vitals compliance and reducing page load times by 46% while owning the end\-to\-end deployment pipeline\. • Delivered InstaAds, a B2B advertising platform serving \~12,000 monthly users, reducing page load times by 30% through SSR and performant frontend architecture\.

Frontend Engineer at Razorpay, Jul 2022 \- Feb 2023 · 8 mos, Gurugram, Developed corporate card \- Razorpay\. • Built a real\-time card\-delivery tracking system that reduced weekly support tickets by 98% \(\~140 to \~2\) by enabling customers to self\-serve delivery status updates\. • Reduced onboarding drop\-offs by \~75% across credit card and loan origination journeys by building simplified application flows with API\-powered business data prefill and resumable user sessions\. • Increased card activation by 42% by building a card\-status\-driven activation workflow that dynamically guided users through three activation scenarios\. • Migrated Credit Card and LOS applications to a modular micro\-frontend architecture, standardizing design system adoption and accelerating feature delivery\.

Full Stack Developer at Redefined Corp, Nov 2020 \- Jun 2022 · 1 yr 8 mos, Chennai, Built the innovative product \- Recorem • Mentored 3 junior engineers in design patterns, accessibility, and design system consistency\. • Implemented 42\+ Jest and React Testing Library tests, achieving 80% coverage and reducing regression risk across the application\. • Designed and implemented 57 GraphQL APIs to consolidate fragmented service calls, simplifying data fetching and improving page responsiveness\.

Full Stack Developer at Queeery, Aug 2020 \- Sep 2020 · 2 mos, Oakland, California, United States, I recently completed an internship \( Remote \) at Queeery as a Full Stack Developer, took lead to fix most critical bugs and develop essential features of the web’s largest queer event portal\. \* Fixed critical bug of social login and developed rich text feature\. \* Implemented stripe connect for payment management\. \* Setup the Heroku CI/CD pipeline for speedier development\.

## Education

Google India Scholarship, Front End Web Developer, Computer Science, Udacity

Bachelor of Arts \- BA, Jai Narain Vyas University \(JNVU\), Jodhpur

## Public links

- github: https://github\.com/ckbhatia

[View the original profile](https://tal.club/meet/chetan-kumar)

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