chetan kumar

Frontend Engineer

India4 yrs 6 mos experience

Most Likely To Switch

Key Highlights

Built scalable front-end platforms for millions of users.
Achieved 90%+ test coverage across multiple projects.
Specialized in AI-native workflows to enhance development speed.

Stackforce AI infers this person is a Frontend Engineer specializing in SaaS and Fintech with a focus on performance and scalability.

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Skills

Core Skills

ReactTypescriptGraphql

Other Skills

HTML5JavaScriptNode.jsAlgorithmsData StructuresMaterial-UIstyled-componentsWeb ApplicationsTailwind CSSWebpackUnit TestingReact.jsRedux.jsExpress.jsObject-Oriented Programming (OOP)

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.

Experience

Crewscale

SDE 2

Nov 2023 – Present · 2 yrs 4 mos

Engineered fulfilment features
Enhanced ticket handling by 40% by building an SLA dashboard with interactive tables, leaderboards, and Mixpanel analytics.
Resolved 114 security alerts and enabled design system adoption by migrating from MUI 5 to 6 and React 17 to 18, upgrading 12+ critical
dependencies and fixing TypeScript and UI issues.
Improved ~25% ticket management efficiency by building OI dashboard features such as Bulk Action, Lifecycle Filter, Responsive Filters with Search, Ticket Listing, and Customisable Table.
Increased team productivity by 20% by fixing the test infrastructure and writing unit tests for 20+ library components, as well as unit test utils and custom hooks, achieving 90% overall test coverage.

HTML5JavaScriptReactTypeScript

Independent consultant

Frontend Engineer

Apr 2023 – Oct 2023 · 6 mos · Remote

Engineered Orbit, an application management system handling
10,000+ monthly applicants.
Delivered a performant B2B advertising platform Insta Ads) with
campaign workflows using React and GraphQL. It has 12,000+
monthly active users.

Node.jsJavaScriptReactGraphQL

Razorpay

Frontend Engineer

Jul 2022 – Feb 2023 · 7 mos · Gurugram, Haryana, India · Remote

Developed corporate card - Razorpay.
Reduced 140+ weekly support tickets to approximately 2 by implementing physical
card delivery tracking features with 85% test coverage.
Improved Card and Loan Originating System onboarding conversion by
~75% by redesigning forms with React Hook Form, Yup, and better UX.
Boosted 60% card activations by delivering card activation flow.
Maintained stability across key dashboards by resolving critical issues.
Written unit tests for components in micro-frontends of capital.
Converted react components to typescript react components.

HTML5JavaScriptReact

Redefined corp

Full Stack Developer

Nov 2020 – Jun 2022 · 1 yr 7 mos · Chennai, Tamil Nadu, India · Remote

Built the innovative product - Recorem
Improved reliability of the app by writing 42+ unit test suites with Jest.
Enabled flexible job and candidate workflows by building 50+ GraphQL APIs on StepZen and integrating with frontend.
Elevated code quality by mentoring 2 interns in clean and reusable modular code.

HTML5Node.jsGraphQL

Queeery

Full Stack Developer

Aug 2020 – Sep 2020 · 1 mo · Oakland, California, United States · Remote

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.

HTML5Node.js