Built a voucher marketplace using React, PostgreSQL, Supabase, Google OAuth, and Tailwind CSS. Improved backend performance, strengthened per-user data isolation, and built reusable frontend components.

Built a full-stack accountability ledger for residential societies to track shared assets, ownership, QR lookups, and maintenance tickets with role-based workflows, session security, and MongoDB-backed transactions.

Built a WhatsApp group media relay bot that detects Instagram reels/posts and YouTube Shorts, downloads them with yt-dlp, reposts them with attribution, and skips duplicate links within a configurable window.

Built a web app and CLI that bulk-download Google Classroom attachments through the official Classroom and Drive APIs, with Google OAuth, ZIP exports, retries, and document conversion.