Rajat Gupta

Frontend engineer with 5+ years of experience building scalable, high-performance web applications used by millions. I specialise in React and TypeScript to drive product engagement in SaaS environments, turning complex data and AI-driven insights into intuitive experiences that feel simple for the end-user.

Apart from work, I like to play volleyball, read manga, and travel. Sometimes I write about life and things I find interesting.

You can find me on GitHub and LinkedIn, or reach out at rajatgupta1798@gmail.com if you'd like to chat about roles, products, or anything interesting.

Currently open to frontend / full-stack roles.

Work experience

Simpplr May 23 – present

Senior Software Engineer · Apr 25 – present

Software Engineer, Frontend · May 23 – Mar 25

Developed user-facing features that surfaced ML-driven insights (search ranking, content suggestions) on Simpplr's intranet (2M+ users), using React, Redux and Express.
Led development of a content moderation micro-frontend for detecting, reporting, and taking action on flagged content reducing manual moderation by 80%.
Led Analytics migration to ThoughtSpot from Sisense achieving 50% faster dashboard load times and 98% reduction in embedded bundle size (1.7MB → 30KB).
Transitioned to full-stack development by owning and delivering REST APIs using Node.js, Express, and PostgreSQL for features like user sentiment analysis and content recommendations.
Received the Brilliant Beginner award during onboarding (awarded to top new joiners based on ramp-up speed and early contributions).

Unacademy Jun 21 – Apr 23

Software Engineer, Frontend

Built interactive classroom experiences in the video player micro-frontend team (10M+ monthly viewers) using React, Redux, and vanilla JS.
Delivered real-time engagement features like RaiseAHand and Q&A using WebSockets, increasing average watch time by 8%.
Revamped class chat experience with user profiles, and added notebook & polling tools which led to 26% boost in learner engagement.