About ConsenSys:

ConsenSys, a venture production studio and the leading technology firm in blockchain globally. ConsenSys was started by co-founder of Ethereum Joseph Lubin, with over 50 projects and 1,000+ members around the world. The ConsenSys mission is to use the decentralized solutions from its projects to fundamentally reshape the economic, social, and political operating systems of the planet.

We're looking for a Protocol Engineer -  to join our agile development team focused on the deep blockchain layer. As active participants in the Enterprise Ethereum Alliance (EEA) and contributors to multiple open source projects (Quorum, Hyperledger Fabric), our protocol team is at the forefront of Enterprise adoption of blockchain technology. In addition to solving the challenge of running and scaling permissioned blockchain networks in mission-critical Enterprise use cases, this role is also working with open source communities around data privacy, cross-chain interoperability, using technique such as zero knowledge proofs and state channels. Blockchain is a rapidly evolving technology area that has attracted a lot of brilliant minds around the world both in academia and industry. This role will be on the bleeding edge of this exciting movement.

A successful candidate will have opportunities to research and develop innovative approaches to some of the most challenging problems in software such as advanced cryptography and distributed systems.


  • Strong back-end development experience using one of GO, Rust or Java
  • Hands on experience in basic cryptography such as digital signature, encryption based on asymmetric or symmetric keys, key agreement
  • Being able to explain consensus algorithms like Raft or Paxos, PBFT
  • Node.JS and Javascript programming skills
  • Fast learner excited to develop new skills
  • Excellent communicator who works well in extremely fast-paced team environments
  • Thrives in chaos and is comfortable with the uncertainty and the rapid change of R&D projects
  • Self-starter who can define and execute tasks with minimal guidance


  • Knowledge in advanced cryptography a big plus such as group signature, zero knowledge proofs
  • Understanding of IPFS and distributed hash tables
  • 5+ years of experience in a senior engineering role
  • Experience with blockchain and smart contracts
  • Experience in blockchain protocol developmen

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