Selected work

Engineering highlights

• Course creation wizard with support for videos and images via Cloudinary
• Secure payment processing integrated through Stripe SDK
• Live notifications powered by Socket.io for real-time updates
• Analytics dashboard showing user, order, and revenue trends over 12 months using Chart.js
• CMS-like admin panel to update homepage hero, FAQs, and categories without touching code
• Multi-provider authentication with email, Google, and GitHub (NextAuth + JWT)
• Redis caching layer for API responses to improve performance
• Centralized error handling so failed requests don't crash the app
• Auth tokens stored in HTTP-only cookies with bcrypt password hashing for security

Built with

Engineering highlights

• Built and labeled a custom university suspicious activity dataset of 9,000+ images across 7 activity classes (2 research papers currently under review)
• Trained a hybrid ResNet50 + CBAM + custom head deep learning architecture achieving 91% accuracy for automated incident detection
• Architected a complete digital inquiry management system replacing manual paper workflows with role-based access for Admin, Security Guards, and CSA
• Engineered end-to-end incident pipeline spanning automated detection, instant real-time alerts, guard dispatch, evidence collection, and CSA departmental inquiry tracking
• Built FastAPI backend service integrated with AWS RDS PostgreSQL for relational case histories and Amazon S3 for secure snapshot storage

Built with

Engineering highlights

• Architected a decentralized multi-vendor marketplace across 4 deployment units (Vercel frontend, Render Express API, Render Socket server, MongoDB Atlas)
• Built real-time buyer-seller chat system with message delivery and read indicators using a dedicated Socket.io server
• Engineered dual payment workflows integrating Stripe and PayPal SDKs with automated seller commission and withdrawal calculations
• Designed three specialized role-based interfaces for buyers, autonomous vendor storefronts, and administrative governance
• Implemented promotional mechanisms including timed flash sale events, coupon codes, and Cloudinary-optimized media delivery

Built with

Engineering highlights

• Integrated Google Gemini AI (gemini-2.5-flash) for contextual technical question generation and automated performance evaluation
• Integrated native Web Speech API for real-time speech-to-text voice answer input
• Implemented OTP email verification, JWT authentication with HTTP-only cookies, and bcrypt password hashing
• Built comprehensive performance analytics dashboards with score tracking and interview history using Recharts
• Applied rate-limiting caps (3 interviews/day) on RESTful endpoints to optimize AI token consumption and prevent abuse

Built with