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Lead DApps Developer

(Full-time, located in Paris)


Massa Labs develops the first blockchain that is both truly decentralized and scaled. After launching a testnet attracting 3,000 nodes and raising €5m in a private sale round this summer, the team is now growing to prepare for the mainnet launch expected in 2022, as well as future challenges.

Massa uses a novel parallel blockchain protocol designed over 3 years of research, that was shown to scale to thousands of operations per second while supporting thousands of nodes. The core blockchain software is written in Rust, and the smart contract engine features several innovations such as autonomous and asynchronous smart contracts, on-chain website hosting, and a Wasm bytecode allowing to write smart contracts in many languages.

We are doing stuff no one else is doing, and are looking for people who are not afraid to challenge common ideas and practices in this space.

At Massa Labs you will lead the dapps team in charge of the development of smart contract applications on the Massa blockchain. Some applications will be equivalents of Ethereum smart contracts, but most of them will be specific to Massa, leveraging its innovative features.


  • Ability to drive research and engineering efforts,
  • 3+ years of professional experience managing developers to ship production-ready software,
  • 2+ years of professional experience in smart contract development,
  • Strong knowledge of the Python and Javascript programming languages,
  • Knowledge of the DApps ecosystem (DeFi, games, ...).
  • Experience in the following areas is appreciated:

  • Compilers (with a focus on Wasm),
  • Game design (Unity...),
  • Smart contract security analysis.
  • Benefits:

  • Full-time position with competitive salary plus token bonuses,
  • Health and life insurance,
  • 5 weeks paid time off + holidays + sick days,
  • 50% of public transportation fees paid by the employer,
  • Restaurant vouchers,
  • Team and conference travels.
  • Useful links:

  • Massa Website
  • Testnet Explorer
  • Github
  • Technical Paper
  • Apply