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Senior Solidity Engineer - DeFi Applications

VatnFörn is building the future of DeFi and seeking to revolutionize how cryptocurrencies are traded and users can put their assets to work. We are seeking the best Solidity architects, designers and developers to help us build it. If you are a technical expert in the Ethereum ecosystem, and you have DeFi experience, this is your opportunity to get in on the ground floor with a well-funded startup and put your name on something with the potential to transform an industry. We are building a tightly-knit core team with the intention of shipping innovative products for years to come and having a great time doing it.

Compensation will be competitive and commensurate with experience and the lofty standards of our industry. It will consist of a base salary and stock options with a performance-based bonus. Token-based compensation will be available if preferred.

This is a fully remote position. We prefer applicants who are in time zones between central European time and US Pacific time.


This candidate will be responsible for building smart contracts used in a larger DeFi ecosystem. The core elements include a lending component, options product, and oracle-based order matching. The role requires collaboration with the core development team, data scientists, and financial experts to build a symbiotic system.

Required Skills and Experience:

  • Expert-level knowledge in Solidity

  • ≥ 2 years of recent experience with decentralized applications (preference toward DeFi) applications

  • Deep understanding of Fintech and/or DeFi concepts

  • Proficiency in AGILE environment with close collaboration to core team

Desired Skills and Experience:

  • Previous experience building

  • Decentralized exchanges

  • Decentralized lending platforms

  • Oracle integrations and proprietary oracle solutions

  • Experience with Layer-2 solutions (preferably roll ups)

  • Understanding of trading, options, and specifically volatility

We understand the magnitude of the problems we are trying to solve, and we know we need the best minds to solve them. If you are one of those minds and have the above qualifications, join us. We promise you an extremely rewarding experience.