Headline

Frontend Engineer · React / Next.js / TypeScript · Building performant UIs that users actually enjoy

About

Frontend Engineer with 3 years of experience building scalable web applications using React, Next.js, and TypeScript. I specialise in building performant UIs, reusable component systems, and solving complex frontend challenges. I care deeply about user experience, clean code, and shipping products that actually work. Currently open to Frontend Engineer roles at product companies — Delhi NCR, Bengaluru, Hyderabad, Pune & Remote. Skills: React.js · Next.js · TypeScript · JavaScript · Redux · REST APIs · Web Performance · HTML/CSS

Location

Gurugram

AI stack

claude

codex

cursor

github copilot

openai

v0

Work experience

Software Engineer at Studio Graphene, Oct 2023 - Present · 2 yrs 9 mos, Gurugram, Haryana, India, Architected a reusable component library in React + TypeScript, reducing new feature development time by ~30% across the engineering team. Optimized React rendering performance by eliminating unnecessary re-renders and lazy-loading routes, cutting initial page load time from ~4.2s to under 1.8s. Collaborated with UX designers to deliver a redesigned dashboard that increased user engagement by 22% (measured via Mixpanel post-launch).

Education

Bachelor of Engineering - BE, Electrical, Electronics and Communications Engineering, Gurukula Kangri Vishwavidyalaya

Public links

leetcode: https://leetcode.com/sumitkumar_09

sumit-kumar.site: https://www.sumit-kumar.site/