GitHub - codewithsupra/codewithsupra

Hey, I'm Supratim Sarkar

Full Stack & AI Engineer · AWS Certified · M.Sc VU Amsterdam

I don't just write code — I ship products.

🚀 About Me

const supratim = {
  role:        "Full Stack & AI Engineer",
  education:   "M.Sc Software Engineering & Green IT — VU Amsterdam + UvA (Joint Degree)",
  certificate: "AWS Certified Solutions Architect – Associate (SAA-C03)",
  currentWork: "Building AI SaaS products from 0 → live",
  expertise:   ["Next.js", "TypeScript", "Node.js", "Yjs CRDTs", "LLM Integration", "AWS"],
  lookingFor:  "Full Stack / AI Engineer roles — EU · India · Remote",
  contact:     "supratim347@gmail.com",
};

🛠️ What I've Shipped

🤖 FounderOS — Live Demo

The AI-powered operating system for startup founders. Think Notion + Linear + ChatGPT — purpose-built for founders who move fast.

AI Chief of Staff — GPT-4o streaming chat hydrated with full project context: tasks, KPIs, competitors, experiments, and ranked founder memories
Founder Memory System — auto-captures decisions & pivots, ranks by relevance, injects top-10 into every AI prompt
Stripe Billing — 4-tier subscription enforced server-side with HMAC-verified webhooks

Next.js 16 TypeScript PostgreSQL GPT-4o OpenRouter Stripe Zustand Zod Recharts

📝 Anchor — Live App

Notes that never disappear. Every keystroke saved locally first via Yjs CRDTs. Syncs across devices. Conflicts resolved automatically — no "pick a version" prompt. Ever.

Offline-first — browser is the database (IndexedDB). Works with zero network
CRDT sync — same conflict-free replication tech used by Figma and Notion
Stateless relay — y-websocket on Railway; cross-device sync with zero data loss

Next.js 16 Yjs Tiptap y-indexeddb y-websocket Dexie.js Tailwind

♿ Aria Access — Live Demo

AI-powered web accessibility scanner that finds what automated tools miss. Dual-engine: axe-core rules + GPT-4o Vision. Scan to report in ~10 seconds.

96% of top websites have WCAG failures — axe-core catches ~30–40%, GPT-4o Vision catches the rest
Actionable fix suggestions — not just "this is broken", but here's the exact code fix
Auth-gated deep scans via Clerk + persistent history via Neon + Drizzle ORM

Next.js TypeScript GPT-4o Vision axe-core Puppeteer Clerk Neon Drizzle

🧠 CodeMentor AI — Live

AI dev suite that generates production-grade apps from natural language — with real-time collaborative preview and a web-based IDE.

Next.js TypeScript Gemini AI Convex Clerk CodeSandbox API

📊 PPTGenAI — Live · Stripe Payments

GenAI SaaS that transforms plain text into exportable presentation decks with version control and CDN-optimised asset delivery.

Next.js Genkit AI Firebase Stripe ImageKit Tailwind

💼 Experience

Where	What	Impact
Mendix (Rotterdam)	Software Engineering Intern	React features for 10,000+ enterprise users · Refactored 15,000+ lines JS→TS · 85% test coverage · WCAG 2.1
VU Amsterdam	Teaching Assistant	Mentored 50+ Master's students on gRPC, AWS SQS & distributed systems
UDAAN Society	Web Developer (Volunteer)	Volunteer management system cutting coordination effort by 40%