Sismo Jobs

There are 3 Web3 Jobs at Sismo

Receive emails of Sismo Jobs
$70k - $130k
Île-de-France Paris France

Sismo is a privacy-preserving login system based on blockchain infrastructure, decentralized identities (DID) and Zero Knowledge (ZK) technology.

Sismo is developing the Sismo Attestation Protocol which allows anyone to generate privacy-preserving attestations from their web3 accounts (e.g BAYC NFT Ownership). Sismo attestations can be stored as NFTs on Ethereum/EVM chains and are compatible with web2 and web3 applications as an access control and reputation tool.

Our team of 7 crypto-native builders has been working on Ethereum since 2015 (ex Aave, Sandbox, Kleros, ConsenSys). We recently raised $10m from some of the top blockchain teams (Optimism, Starkware, Curve, Axie Infinity, Nansen, etc..), a strong mix of web3 investors (Delphi, IDEO, Framework, Fabric) and successful web2 projects (Founder of Product Hunt, Naval Ravikant, GFC).

At Sismo, you will be exposed to everything crypto has to offer; from comprehensive training to in-person conferences and hackathons to good community memes and so much more.

The Sismo team prioritises privacy, decentralization and developing ZK tech that will power the future of the decentralized web. We are deeply committed to this mission and believe cryptography and blockchains will benefit billions of people by enabling users to take ownership of their digital identity.

Who we are looking for

We are looking for passionate team members to join our core team. We expect every team member to be committed towards their personal development, education and growth.

Whether you are a seasoned crypto-native or a passionate newcomer to web3. We measure success 3 months after hire by the following categories:

  • Communication skills: clear, concise, and consistent
  • Initiative and autonomy
  • Alignment with Sismo’s mission and values

At Sismo, you will work side by side with a diverse group of motivated and skilled team players. We are looking for someone that’s ready to elevate their career in web3 and grow with our team.


Your main responsibility will be to develop software for the Sismo Attestation Protocol (SAP) and take lead on one of the following topics:

  • Developing new smart contracts and cryptographic primitives for SAP
  • Adding new data sources for SAP (blockchain data fetching, merkle and other data trees)
  • Cryptographic libraries
  • SDK for usability of SAP
  • Sismo user-facing product integrating SAP


  • Write high-quality and documented open-source code
  • Communicate clearly inside the team
  • Communicate externally, through Github, conferences or Twitter/blog posts

  • Attention to detail

  • Strong conviction for web3, Ethereum, and ZK technologies

  • Eagerness to grow and improve

Tech stack at Sismo

  • Solidity, Hardhat, ethers
  • theGraph, blockchain data APIs
  • Typescript, tenderly
  • Circom

Bonus stack:

  • Foundry, forge for smart contracts
  • Rust
  • Cairo and non-EVM smart contracts languages


The Sismo team is deeply dedicated to the development of SAP and the Sismo ecosystem and aggressively builds to see-through our mission… and we have great benefits for those who join us:

  • Strong incentives (Salary + Tokens)
  • Remote-friendly
  • Participation in some of crypto’s biggest events and conferences
  • Become entrenched in the ZK community

Sismo focuses on Cryptocurrency, Blockchains, and Blockchain / Cryptocurrency. Their company has offices in Europe, Paris, and Remote. They have a small team that's between 1-10 employees.

You can view their website at or find them on Twitter.