Full-stack technical assessment platform built for college placements and hiring drives — featuring anti-cheat enforcement, MCQ and output-prediction tests, a full admin portal, real-time session management, and CSV export for results.

What makes it special:

🛡️   Anti-cheat system — fullscreen enforcement, tab-switch auto-disqualification, paste detection, DevTools blocking, and remote disqualify by admin in real time 📝   Two assessment types — Output Prediction (code snippet → predict output) and MCQ, both auto-graded server-side 🔁   Typing replay — keystroke timeline playback with Monaco Editor viewer and paste markers for malpractice review 📚   Question Library — reusable bank; import into any round in one click with auto-distributed test case points 📊   CSV export — all results or cutoff-filtered finalists; set passing threshold per round 🔐   Admin auth — Supabase Auth with Google OAuth and Magic Link; no candidate login required

Node.js · Fastify · PostgreSQL · Supabase Auth · Monaco Editor · Vanilla JS · Docker · Render

Production-grade e-commerce platform built for ChemSus Technologies Pvt Ltd — with secure authentication, UPI payments, item-level order tracking, and a comprehensive admin dashboard.

What makes it special:

🔐   Local JWT Auth — customers sign up with email + password (scrypt-hashed); OTP email verification on signup, login, and checkout; admin secured via HMAC-signed JWT 🛍️   Cart, buy-now flow, OTP-verified checkout, and UPI payment integration with branded PDF quotations 📦   Item-level delivery tracking with real-time order status updates 💬   In-order messaging between customers and admin 🛠️   Full admin dashboard — products, orders, payments, customers, analytics, and audit logs

Node.js · Express · SQLite · Nodemailer · Vanilla JS · Nginx · PM2

                    ┌──────────────────────────────┐
                    │      CLIENT (Browser)        │
                    │     Vanilla JS + HTML/CSS    │
                    └──────────────┬───────────────┘
                                   │ REST API
                                   ▼
                    ┌──────────────────────────────┐
                    │   SERVER (Node.js + Express) │
                    │                              │
                    │  Routes → Controllers →      │
                    │  Middleware (JWT, OTP, Roles) │
                    └──────┬────────────┬──────────┘
                           │            │
                  ┌────────▼──┐   ┌─────▼──────────┐
                  │  SQLite   │   │   Nodemailer    │
                  │           │   │                 │
                  │ Products  │   │ OTP emails      │
                  │ Orders    │   │ Quotation PDFs  │
                  │ Payments  │   │ Confirmations   │
                  └───────────┘   └─────────────────┘

AI-powered speech analysis platform — upload a video, audio file, or YouTube URL and receive deeper, more detailed feedback than any real-time interviewer can provide.

What makes it special:

🎬   Three input modes — video upload, audio upload, or any public YouTube URL (auto-downloaded via yt-dlp) 📝   Timestamped transcription via Sarvam.ai saarika:v2.5 — filler words highlighted in red, technical terms in blue, click any line to seek in the recording 📊   9-metric AI analysis via Groq Llama 3.1 70B — pace (WPM), grammar score, confidence, vocabulary richness, filler detection, topic segmentation, and more 📡   Visual dashboard — Communication Radar, Filler Word Bar Chart, Speech Pace Timeline (Chart.js) 💬   RAG Q&A panel — ask anything about the recording; ChromaDB + Groq with timestamp source chips to seek exact moments 🌏   Multi-language support — Indian English, Hindi, Telugu, Tamil, Kannada, and Marathi

Python · FastAPI · Groq · Sarvam.ai · ChromaDB · Chart.js · FFmpeg · yt-dlp · PostgreSQL

Full-stack AI travel planner that generates complete day-by-day itineraries, visualizes every stop on an interactive map, supports 30 live currencies, and exports structured PDFs and calendar files.

What makes it special:

🌊   Live SSE streaming — AI output rendered token-by-token in real time with a masked preview window 🤖   Groq Llama 3.3 70B generates tailored day-by-day itineraries with restaurant picks, activities, and practical info 🗺️   Interactive Leaflet.js maps — colour-coded per-day pins with Google Maps deep-links; no API key required 💱   30 currencies via Frankfurter API with live FX rate annotations inline in the itinerary text 🎒   AI packing list — emoji-categorised checklist generated per destination, travel style, and accessibility needs ♿   Accessibility-first filters — wheelchair, elevator, limited-walking, visual and hearing impairment options

Python · Flask · Groq · Agno · Leaflet.js · Nominatim · jsPDF · Vanilla JS · Vercel