Tarun Gupta
I am Tarun Gupta, a Senior Frontend Engineer with 5+ years of experience building scalable, high-performance web applications for enterprise clients across healthcare, insurance, investment, and consumer domains.
About
I am Tarun Gupta, a Senior Frontend Engineer with 5+ years of experience building scalable, high-performance web applications for enterprise clients across healthcare, insurance, investment, and consumer domains. I specialize in React.js, Next.js, TypeScript, JavaScript, Redux Toolkit, and micro-frontend architecture, and I currently work at Deloitte USI delivering production-grade, WCAG 2.0-compliant interfaces for US and Canadian clients including Eli Lilly and WSIB.\n\nI’m passionate about responsive design, state management, performance optimization, and cross-functional collaboration in Agile environments. I’ve led frontend teams, conducted code reviews, mentored teammates, and collaborated with business analysts, QA engineers, and onshore stakeholders to ship features on schedule.
- 5 years' experience
- Joined November 2025
Industry experience
- Healthcare
- Financial Services
- Professional Services
- Software & Internet
Work experience· 4 roles
Led the development of a micro-frontend module in React.js for WSIB's New Business Registration System, implementing multi-step forms, reusable components, robust client-side state management, input validation, and unit tests (Jest & React Testing Library). Collaborated with business analysts, QA, and onshore stakeholders across Agile sprints to ensure consistent performance across browsers and devices and on-time production delivery. Contributed to LillyDirect reskinning, implementing WCAG 2.0 accessibility with a mobile-first approach, improving session duration and user engagement. Acted as technical lead among a team of frontend developers, mentoring, task assignment, code reviews, and ensuring timely feature delivery.
Built a high-performance investment platform for Accel India featuring an infinite-scroll startup discovery feed with switchable grid/list views, detailed company cards, and an analytics dashboard for investor activity. Used React Query for optimised API integration, implemented an admin view, optimized rendering with memoization and lazy loading, reducing load times by ~30% on data-heavy dashboards, ensuring cross-browser compatibility and maintainable code.
Developed features for JusTickets (justickets.in), a live online movie ticketing platform, using React.js and Redux Toolkit with REST API integration for booking flows. Built JusTickets mobile app in Flutter with feature parity. Improved reliability via systematic debugging, troubleshooting, and targeted performance optimisations across the platform.
Education
Certifications and awards
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