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chetan kumar

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

India

5+ years of work experience

Crewscale
Nov 202510 mosPresent

• 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.
Crewscale
Nov 20232 yrsOct 2025

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.
Independent Consultant
Apr 20237 mosOct 2023

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.
Razorpay
Jul 20228 mosFeb 2023

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.
Redefined Corp
Nov 20201 yr 8 mosJun 2022

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.
Queeery
Aug 20202 mosSep 2020

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.
GitHub
@ckbhatia

chetan’s AI Stack

claude code
claude code
claude
claude
codex
codex
cursor
cursor
github copilot
github copilot
opencode
opencode

Education

Udacity

Google India Scholarship, Front End Web Developer, Computer Science

Udacity

20182018
Jai Narain Vyas University (JNVU), Jodhpur

Bachelor of Arts - BA

Jai Narain Vyas University (JNVU), Jodhpur

20173 yrs2020

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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