Software Engineer - Smart Contract

  • SignedBlock
  • Athens, Greece
  • Jun 12, 2018
Permanent Developer/Engineer Smart Contract | Blockchain

Job Description

We're looking for a software engineer with smart contract experience. You'll be working with the rest of the team to build smart contracts for internal use as well as consulting clients.


  • Creating new smart contracts in Solidity and the Ethereum blockchain.
  • Ensuring the smart contracts are safe by using the latest best practices in the industry and avoiding well-known bug classes.
  • Staying up-to-date with latest breaches and practices in the field.
  • Testing smart contracts for security and robustness by writing unit and end-to-end tests.
  • Reading smart contract code for auditing purposes to ensure they behave as intended.
  • Working with our front-end team to connect our web services with blockchains and smart contracts.
  • Working with our cryptographers to ensure the smart contracts correspond to the desired theoretical protocols.
  • Integrating smart contracts in node.js using web3 and truffle.

Skills & Knowledge

  • An illustrative GitHub portfolio.
  • Professional knowledge of at least one programming language.
  • Good experience with Javascript and node.js.
  • Exceptional skills with web3 and truffle.
  • Exceptional Solidity skills.
  • A good understanding of the Ethereum blockchain and blockchain technologies in general, as well as the underlying security model.


  • Pursuing or having completed a Computer Science or related degree, or equivalent professional experience.