Software engineering
Blockchain Developers 

Senior Smart Contracts Engineer

  • Location
  • Type
    Full-time candidate
  • Salary
  • Budget
Smart Contract
About the role

As a Senior Protocol Smart Contracts Engineer, you will be part of our Protocol team, working closely with our CTO on our cutting edge Ethereum smart contracts, helping us build the future of Real-Time Finance. You will also have a chance to work on integrations with other leading protocols in the space as well as building prototypes for new solutions.

About You

  • You like open source and a world of openness in general
  • You want to do more in the Ethereum space
  • You want to make a difference and get rewarded by working hard
  • You enjoy writing thoroughly tested code and take security seriously
  • You aren’t afraid of challenges, and enjoy complex requirements


  • Work closely with our CTO and Ethereum developers
  • Help build new core smart contracts of the Superfluid Protocol
  • Maintain/improve js-sdk of the protocol
  • Support protocol users (bug reports, questions from Discord or Github)
  • Help to create prototypes (smart contracts + UI) using the protocol
  • Work on integrations with other leading Ethereum projects


  • 2+ years of experience in Solidity development
  • You can build a prototype using web3js and react
  • Some of your Solidity contracts are live on mainnet (can be side chain)
  • You aren’t afraid of disrupting finance
  • Bonus points if you got some $ETH or $UNI!


  • Super motivated team, with cutting-edge Ethereum developers
  • Work on world-first, groundbreaking financial technology
  • 28 days paid holidays
  • Early employees enjoy extra stock options
  • An opportunity to make a REAL difference in the lives of hundreds of thousands of people globally
  • Flexible working schedule
  • Casual and friendly work environment

About the company

We’re a small tech startup working on a radically new type of payment technology able to improve global commerce!

Superfluid protocol enables you to pay (and get paid) every second, instead of monthly. By accelerating money, we empower people worldwide to do more with less capital, increasing people’s independence and overall happiness.

We are a remote team, but some of us work together from an office in Tallinn, Estonia. You are welcome to work remotely or join us here!

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