Smart Contract Engineer

Hifi Finance | Lehi, United States

Date listed

1 month ago

Employment Type

Full time




$150k - $200k

Hifi is a DeFi lending protocol that offers users fixed-rate loans on approved crypto and real-world asset collateral. Hifi operates independently as a protocol, aiming to provide a decentralized lending experience rivaling top DeFi lending apps.

We believe the tokenization of every major asset class is on the horizon and are building our protocol to best capitalize on this belief. As we move toward this future we invite all who have similar convictions to apply and participate in our efforts.

The role

We are searching for self-motivated Solidity developers with a strong focus on product development to join us. As a member of the engineering team, you will work closely with Hifi leadership to translate business requirements into actual product features and functionality. This is a remote, full-time role to build various DeFi products and tools that position Hifi as the leading lending protocol in DeFi while setting it on a course to thrive autonomously as a decentralized product.


  • At least two years of experience writing smart contracts in Solidity
  • Deep knowledge of the EVM and knowledge of multiple chains, but primarily Ethereum
  • Experience writing extensive unit and integration tests for smart contracts (preferably with Foundry)
  • Experience with smart contract audits (as an author or recipient)
  • Have used DeFi products like AAVE, MakerDAO, and Compound on Mainnet and can demonstrate an understanding of how they work
  • Solid, demonstrable work (on GitHub or otherwise)

You will stand out if you have the following:

  • Degree in math or computer science
  • Experience implementing complex math in Solidity
  • Prior experience deploying complex/upgradable smart contract systems to mainnet
  • Experience with advanced testing techniques (fuzz, invariant, and/or differential testing)
  • Experience with React, Redux, and other frontend technologies
  • Development leadership experience
  • Operating in the Western Hemisphere (PT - ET) is preferred but not required

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