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codewithsupra/README.md

Supratim Sarkar

I build the parts of a product most demos skip — crash recovery, exactly-once scheduling, conflict-free sync — and ship them live, alone, end to end.

M.Sc. Software Engineering · VU Amsterdam & University of Amsterdam, 2025  ·  AWS Certified Solutions Architect – Associate  ·  Backend at Mendix (Siemens), 2023

LinkedIn Portfolio Email


Six live products, one engineer

Every link below is real and checked before this line was written. No dead demos, no placeholder screenshots.


Pulse — Uptime monitoring that catches an outage before your customers do. Watches sites and APIs around the clock; the hard part is doing it across many servers at once without ever firing a duplicate alert. Node.js Express MongoDB Socket.io worker_threads Dockerlive · source

Durable Agent Engine — An LLM agent runner that survives being killed mid-task. No Redis, no managed queue — just Postgres, claiming and reclaiming work so nothing is silently lost. Proven with a chaos test that kill -9s workers on purpose. Node.js PostgreSQL WebSocket Dockerlive · source

Anchor — Notes that never lose a keystroke, on any number of devices, even offline. Every edit is saved locally first and merged automatically when devices reconnect — the same conflict-free approach behind Figma and Notion. Yjs (CRDTs) IndexedDB (y-indexeddb) Tiptap/ProseMirror y-websocketlive · source

PantryChef — Turns what's already in your kitchen into meals you can cook tonight. Tracks your pantry, shows what you can make right now, and explains each AI-assisted step before it happens instead of after. React Router v8 Prisma PostgreSQL TypeScriptlive · source

OSS Finder — Helps first-time contributors find a pull request that will actually get merged. Ranks GitHub projects by how likely an outsider's first PR is to succeed, so beginners stop wasting days on repos that never respond. React 19 TypeScript Redux Toolkit Clerklive · source


Open source

Project Contribution Status
tiptap (37K★, 15.4M weekly downloads) Fixed a crash open for seven months — the Link extension crashed instead of erroring gracefully when configured with an undefined class attribute Merged
tiptap Fixed a bug silently stripping bold/italic from nested lists, traced to a hardcoded parser value Merged

Stack

Frontend — React, Next.js, TypeScript, Redux Toolkit, Tailwind CSS Backend — Node.js, Express, PostgreSQL, MongoDB, GraphQL, WebSockets Infra — Docker, GitHub Actions, AWS, Render, Fly.io, Vercel


Based in Bengaluru. Open to backend, full-stack, and founding engineer roles.

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  1. AI-Travel-Planner-SAAS AI-Travel-Planner-SAAS Public

    JavaScript 1

  2. anchor.ai anchor.ai Public

    Offline-first note-taking app — every keystroke saved locally via IndexedDB, real-time sync across devices using Yjs CRDTs. No conflicts, no data loss.

    TypeScript

  3. aria-acess.ai aria-acess.ai Public

    AI-powered web accessibility scanner — axe-core + GPT-4o Vision catches the 60% of WCAG issues automated tools miss. Paste a URL, get a report in 10s.

    TypeScript

  4. founder-os founder-os Public

    AI-powered operating system for startup founders — task management, KPI tracking, competitor intel, and GPT-4o Chief of Staff

    TypeScript

  5. durable-agent-engine durable-agent-engine Public

    Fault-tolerant multi-step LLM agent orchestration engine — Postgres SKIP LOCKED durable queue, idempotent DAG execution, automatic retry/backoff, dead-letter handling, live WebSocket streaming. No …

    HTML

  6. tiptap tiptap Public

    Forked from ueberdosis/tiptap

    The headless rich text editor framework for web artisans.

    TypeScript