Sanket Marathe

Builder · Co-founder & CTO at Saafwater

I build things that ship — hardware to cloud.

🏆 First Indian team to win IBM's Call for Code global grand prize ($200K) — for Saafwater, now a live IoT platform monitoring water quality for ~1.5M people.

🔨 What I've built

• Saafwater — real-time water-quality monitoring. 80+ IoT devices in the field, AWS backend, MQTT pipelines. Featured in PM Modi's Mann Ki Baat; Gates Foundation Goalkeepers invitee.
• Poultry Hunter — blockchain farm-to-seller tracker for bird-flu tracing. Solana India Ecosystem Rising Star.
• Paper House — NFT platform for researchers to mint & fund papers. Filecoin prize + $10K grant.
• Trigger Protocol — Web3 onboarding for gamers & digital artists. Recognised by Polygon.
• CoronaTracker.in — one of the earliest global COVID-19 trackers, ~19M visits at peak.

🧰 Stack

Frontend: React, Next.js, TypeScript, Tailwind
Backend: Node.js, Express, AWS, DynamoDB, Python
Web3/Firmware: Solidity, ESP32, Modbus, MQTT

I lean on AI tooling (Claude, Cursor, v0) to ship fast.

🔗 Links

• GitHub: @msanket9 · Arctic Code Vault contributor
• X: @sanketmarathe09
• LinkedIn: sanket-marathe