Suraj Kohli

Engineer · Founder · Web3 advisor

I build products end to end, from protocol to pixel.

I'm Suraj, a software engineer and startup builder. I care about shipping things that work: clean architecture, fast iteration, and products people actually use. Most of my recent work sits where serious engineering meets blockchain: smart contracts, DeFi protocols, Starknet and zero-knowledge tooling.

What I do

Product engineering

Taking ideas from zero to production. Full-stack systems, developer experience, and the product judgment to know what to build first.

Blockchain & web3

Smart contract design and review, DeFi mechanics, Starknet and Cairo, account abstraction, and ZK-powered applications.

Technical leadership

Architecture decisions, hiring and mentoring engineers, and setting up teams to ship quickly without breaking things.

Selected work

  • Cloudy

    Project

    One-line description of Cloudy: what it does and who it's for.

  • Sumero

    Startup

    DeFi protocol for on-chain synthetic assets, built on UMA. Smart contracts, deployment tooling, and the product around them.

  • Olena Protocol

    Starknet

    Protocol engineering and deployment infrastructure on Starknet.

  • Experiments & open source

    Code

    IDO launchpad, Uniswap v4 hooks, WebAuthn signers on Starknet, and contributions around Garaga (ZK verification on Starknet).

Blockchain & web3 consulting

I help founders and teams make the right technical calls early, when they're cheapest to get right.

  • Protocol and smart contract architecture
  • Security-minded code review before audits
  • Choosing chains, L2s, and tooling (EVM, Starknet, ZK)
  • Building or scaling the engineering team behind a protocol
  • Hands-on prototyping to de-risk an idea fast
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