Profile
Frontend engineer with 7 years building performant product interfaces for fintech and SaaS teams. Specialises in React, TypeScript and design systems, and has shipped interfaces used by 2M+ monthly users. Comfortable owning a feature from spec to measurement.
Experience
Senior Frontend EngineerMar 2022 – Present
Zenpay TechnologiesChennai, IN
- •Led the rebuild of the merchant dashboard in Next.js, cutting first-load JS by 48% and improving LCP from 4.1s to 1.6s.
- •Designed a 60-component design system adopted by four product squads, reducing UI review cycles by a third.
- •Mentored five engineers and introduced a Playwright suite that caught 90% of regressions before release.
Frontend EngineerJul 2019 – Feb 2022
FreshworksChennai, IN
- •Built a real-time analytics module in React and WebSockets serving 40k concurrent support agents.
- •Migrated a legacy AngularJS console to React incrementally with zero customer downtime.
- •Improved accessibility to WCAG 2.1 AA across 30 screens, unlocking two enterprise contracts.
Web DeveloperJun 2017 – Jun 2019
Pixelmint StudioMadurai, IN
- •Delivered 20+ client sites with an average Lighthouse score of 96 and automated the build pipeline.
Projects
Resume Maameygithub.com/arunkumar/resume-maamey
Next.js, TypeScript, Tailwind
Open-source resume builder with 28 print-ready templates, a live A4 canvas and vector PDF export. 3k GitHub stars.
Kanini UIkanini-ui.dev
React, Radix, Storybook
Accessible component library with 40 primitives, 18k weekly npm downloads and full keyboard coverage.
Education
B.E. Computer Science and Engineering2013 – 2017
Thiagarajar College of Engineering · Madurai, INCGPA 8.7 / 10
Achievements
- •Speaker at ReactIndia 2024 on shipping design systems in regulated fintech.
- •Winner, Smart India Hackathon 2016 — civic grievance tracking platform.