Smart Contract/Fullstack Engineer
New York, New York County, New York, 10261, USA
Listed on 2026-02-23
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Business
Blockchain / Web3
Location: New York
Smart Contract / Fullstack Engineer
Americas (remote);
Who we areUnion Finance is building the Credit Primitive for DeFi.
We believe that open, permission‑less community‑owned financial applications are the future and that these new decentralized applications will gain global adoption because the user experience is worlds better.
Market opportunity:
There are $2B in loans outstanding on Ethereum. All of which is collateralized. In traditional finance un‑collateralized lending is 100x that of the collateralized lending market.
Product opportunity: we are building the protocol to enable credit on Ethereum. We believe this is one of the missing primitives to allow DeFi to become more Positive Sum.
Company opportunity: we are a team of designers, system engineers, entrepreneurs and crypto veterans looking to build a dream team.
We're backed by brilliant investors with a long term view (like Placeholder, 1kx, Coinfund, KR1, Scalar, and some of the top DeFi Angels).
ResponsibilitiesYou will be working as a Core Dev. of the Union Protocol.
- Protocol Architecture: work with the team to research, design, and test mechanisms that serve the needs of the Union ecosystem.
- Application Development: implement, test, and deploy web3 interfaces that are easy and effective to use.
- Software Development: implement and test open‑source software that is used to interact with smart contracts
- Community Building: work with the team to create and foster a community of developers we can trust to carry Union forward
Hands on experience in a software architect/engineering role, ideally some within solidity/ethereum development or at a fintech where funds are at risk.
A good understanding of blockchain fundamentals, smart contracts, other defi protocols, etc.
Demonstrated interest in open and community‑driven platforms e.g. you've voted in governance
Good Written Communication and Documentation skills in English.
- Nice to have: experience submitting proposals for a blockchain based project with a live token
- Nice to have: experience with L2, Rollups, interchain, cross‑chain messaging
Money you can exchange for things
A Voting Stake in the Union protocol
Home office stipend
How to ApplyDoes this role sound like a good fit? Email us at (Use the "Apply for this Job" box below). the role's title in your subject line.
Send along links that best showcase the relevant things you've built and done.
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