Headline

Immediate Joiner | Senior Frontend Engineer | React · TypeScript · Microfrontend | Fintech @ BharatPe & Ex-Paytm | Building merchant-facing products at scale

About

Senior Frontend Engineer with 5+ years of experience building high-scale, merchant-facing fintech products at BharatPe and Paytm. My work has contributed to over INR 200Cr in lifetime revenue, onboarded 1 Lakh+ merchants, and reduced user drop-offs by 30% through engineering-led UX improvements. I specialize in React, TypeScript, and modern frontend architecture. At BharatPe, I led a monolithto-microfrontend migration (3 repos) that improved build performance by 20% and enabled independent team deployments. I bring both the technical depth to make the right architectural calls and the product instinct to know why they matter. What I focus on: -Scalable frontend architecture — microfrontends, performance, Web Vitals -Data-informed product development — instrumented 200+ analytics events driving roadmap decisions -Engineering culture — championed unit testing (50% bug reduction) and AI-assisted dev adoption Currently open to Senior Frontend / Frontend Lead roles at product-first companies, especially in fintech, payments, or developer tooling. Reach Out- Kunalkhandelwal6999@gmail.com

Location

Gurugram

AI stack

antigravity

opencode

claudecode

Work experience

Senior Software Development Engineer at BharatPe, Sep 2024 - Present · 2 yrs, Gurugram, Haryana, India, - Led migration from monolithic single-repo to microfrontend multi-repo architecture (3 repositories), improving build performance by 20% and enabling independent deployments across teams. - Reduced merchant journey drop-offs by 30% by partnering with Product and Design to streamline flows, remove friction points, and optimize critical conversion paths. - Instrumented 200+ analytics events across the full user journey via MixPanel, enabling datadriven roadmap decisions that directly influenced quarterly product priorities. - Integrated Coralogix RUM across all repositories for real-time error logging and user behavior monitoring, reducing user-reported issues by 20%. - Mentored 2 junior engineers to independently ship production features; drove AI-assisted development adoption (Cursor, Gemini, Copilot) through weekly knowledge-sharing sessions.

Senior Software Engineer at Paytm, Jul 2024 - Sep 2024 · 3 mos, Noida, Uttar Pradesh, India, Designed merchant campaign system enabling the marketing team to launch targeted discount-commission campaigns, projected to improve merchant retention by 20%. Owned end-to-end product releases for the P4B merchant application — coordinating QA sign-offs, production deployments, and post-release sanity checks.

Software Developer at Paytm, Jun 2021 - Sep 2024 · 3 yrs 4 mos, Noida, Uttar Pradesh, India, MyQR- Led the development of MyQR within the P4B app, enabling users to create, edit, and purchase personalized QR codes. Implemented a streamlined user interface and utilized Redux for efficient state management. Achieved a 40% increase in overall merchant QR purchases as a result of these enhancements. PremiumQR- Developed and maintained Premium QR purchase flow for Premium merchants, driving sales to over 1 Lakh merchants within a month of launch, generating over 1Cr in revenue. Notification Settings- Migrated Notification Settings from Native to React, collaborating across teams to create a user-friendly flow. Continuously enhanced personalized notification features for Phone, Soundbox, EDC, and QRs. Owned critical tasks created due to overnight business changes such as implementing new business logic for MyQR flow,(allowing merchants to use QRs created by Multiple Bank) and revamping the soundbox interface to enable language changes Strategized and implemented unit testing at team level which reduced QA & production bugs count by 50% by using react testing library and jest. Introduced & Integrated Sentry in P4B repo for Frontend error & exception logging, helping us capture production bugs along with their stack trace & sourcemaps. Documented the entire process for easy replication and knowledge transfer in future. Release Management- Owned & managed multiple product releases, which included QA & Product team sign offs, production deployments and production sanity. Researched, facilitated & mentored the use of AI tools such as Anima (Figma to React) AI & copilot, resulting in significant time savings during development.

Web Development Intern at ConsultIT, Jun 2020 - Jul 2020 · 2 mos, New Delhi, Delhi, India, Developed a Doctor-Patient Video Consultation website using HTML, CSS, and JS for the frontend. NodeJS for the backend. Also used Oracle Apex as a Database. Further converted the website into an android app using Apache Cordova.

Education

Bachelor of Technology - BTech, Computer Science, Dr. B R Ambedkar National Institute of Technology, Jalandhar ( PUNJAB)