Bibak Roy

- Led the migration of a modular construction management system, Offsight (https://offsight.com/), from Angular to React, raw CSS to TailwindCSS, & JavaScript to TypeScript, resulting in a 30% improvement in development efficiency & a scalable codebase. - Improved performance & reduced loading time by 65% through optimization, memorization, effective use of react hooks, & reduced API calls, achieving a 10x boost in user satisfaction, serving 39 global corporations, & generating millions in monthly revenue.

- Supported a YCombinator-funded company by building a visually stunning, pixel-perfect, and high-performance landing page (https://hockeystack.com/) for their Go-to-Market analytics platform, leading to a 28% growth in new user sign-ups. - Collaborated with the UI/UX team to ensure seamless design integration with improved navigation features, enhancing overall user experience and accessibility, generating 5x more customer engagement, and reducing bounce rate.

- Demonstrated expertise in AI-driven solutions by engineering Retune (https://retune.so/) - a tool for creating fine-tuned language models with GPT-4 utilizing OpenAI APIs, serving 4,000+ active customers. - Crafted chat functionality for individuals/groups (Playroom’s mobile app), allowing parents to join nurseries/clubs by invitation, implemented features like photo sharing, calendar event creation, and a map to locate the nearest playgrounds/parks.

- Spearheaded the front-end design of Beatbarrow (https://beatbarrow.com/) utilizing Flexbox, Grid, and responsive design with SASS, ensuring cross-browser compatibility and building a music and picture upload system, currently engaging over 500 local users. - Implemented Next.js SSR & SSG methods for a smooth user experience (UX) and introduced an authentication system with JWT. - Facilitated backend (Node.js) with GraphQL and MongoDB and integrated Stripe payment (one-time & subscription).