Headline

Frontend Engineer (2.6+ YOE) | ReactJS | ex of { Tata Elxsi }

About

Hey there! 🚀Sumit is a Frontend Developer and JavaScript enthusiast around 2.9 years of experience building scalable, user-centric web applications across B2B and B2C platforms. Skilled in React.js, Next.js, modular UI architecture, and performance optimization, with a strong focus on frontend system design and AI-assisted workflows. He has demonstrated a solid grasp of core frontend skills including :{- JavaScript / TypeScript, - React.js / Next.js,- Redux (RTK),- HTML5 / CSS3,- Git / Jira,- JEST / RTL,- Webpack / Vite,- Web : [ Accessibility (a11y), Security, Performance, Testing ]}also exploring backend technologies and frontend system design. You can talk to him about travel, investments, and tech 💻, of course.Feel free to reach out to him and build something amazing together!Email ID: vajarinkarss@gmail.com

Location

Pune Division

AI stack

claude code

cursor

ChatGPT

Work experience

Frontend Engineer at Coditas, Jul 2025 - Present · 1 y 2 mo, Pune District, Maharashtra, India, BU: RegTech (Regulatory Technology) • Owned end-to-end development of the Audit module — an enterprise RegTech (GRC) product — driving design and delivery decisions across UI/UX, backend, and QA teams. • Enabled Micro-frontend architecture by integrating Audit’s React components into the Next.js platform via Webpack Module Federation, decoupling framework-specific dependencies. • Built a UI component that turns the platform’s complex nested data into a simplified, collapsible interface, resolving a key client’s workflow requirements and cutting UI development and QA effort by 45%. • Boosted Core Web Vitals by 35–40% through lazy loading and targeted performance tuning, while resolving feature requests and bugs across multiple products in partnership with the platform’s forms team. • Mentored 3 junior engineers on TDD best practices and AI-native development workflows from AI-assisted implementation planning to review — cutting review turnaround time by up to 40%.

Frontend Engineer at Tata Elxsi, Mar 2024 - Jul 2025 · 1 y 4 mo, Pune District, Maharashtra, India, BU: Media Communication Vertical (MCV) • Developed user-centric features for a large-scale OTT platform within a cross-functional agile team, quickly ramping up on an unfamiliar codebase and release workflow. • Improved page load performance by 30% through Core Web Vitals (LCP, FCP) optimization using code splitting, memoization, and image/asset optimization. • Migrated 35+ API integrations into a centralized Redux Saga state management layer, eliminating redundant network calls and boosting rendering efficiency. • Helped drive team adoption of TDD-based unit testing with Jest and React Testing Library, raising coverage to 80–90% and reducing post-deployment defects.

Associate Web Developer at Bubble Byte Ventures Pvt Ltd, Sep 2022 - Nov 2022 · 3 mos, Sangli, Maharashtra, India, Project: Event management web application Developed a web solution for handling 1k+ students hustle-free event registration, and reduced manual administration.

Education

B.Tech, Computer Science & Information Technology, Rajarambapu Institute of Technology, Rajaramnagar, SAKHARALE

Bachelor of Technology - BTech, Computer Science and Information Technology, shivaji university

Public links

github: https://github.com/sumitvajarinkar

sumitportfolio.netlify.app: https://sumitportfolio.netlify.app/

leetcode: https://leetcode.com/vsumit17