Rohit Saini

BuddyBills

• Built a PWA for Shared Expense Management with auth, role‑based access, and auto‑balance updates. • Designed scalable backend with NestJS, PostgreSQL, TypeORM, versioned migrations, and JWT auth. • Implemented dynamic split logic (equal, percentage, shares), Google OAuth, and deployed on Vercel.com and Render.io. • Optimized UI with Tailwind, achieving Lighthouse score of 95+.