{"id":2497836,"url":"https://alion.io/job/union-finance-smart-contract-fullstack-engineer","title":"Smart Contract / Fullstack Engineer","company":{"id":3275632,"name":"Union Finance","domain":"unionfinance.com.hk","url":"https://alion.io/company/unionfinance","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Web3","role_family":"Web3","seniority":null,"employment_type":"contractor","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["New York, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":139000,"max_usd":297000,"period":"year","method":"role_country_seniority_unknown","sample_n":35},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"DeFi","optional":false},{"name":"Ethereum","optional":false},{"name":"Smart Contracts","optional":false}],"status":"live","first_seen_at":"2026-10-14T05:00:12Z","employer_posted_date":null,"last_verified_at":"2026-10-14T05:00:12Z","board_verified":false,"closed_at":null,"days_open":1,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":1},"description":"Americas (remote);\nWho we areUnion Finance is building the Credit Primitive for DeFi.\nWe 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.\nMarket 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.\nProduct 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.\nCompany opportunity: we are a team of designers, system engineers, entrepreneurs and crypto veterans looking to build a dream team.\nWe're backed by brilliant investors with a long term view (like Placeholder, 1kx, Coinfund, KR1, Scalar, and some of the top DeFi Angels).\nResponsibilities\nYou will be working as a Core Dev. of the Union Protocol.\nProtocol Architecture: work with the team to research, design, and test mechanisms that serve the needs of the Union ecosystem.\nApplication Development: implement, test, and deploy web3 interfaces that are easy and effective to use.\nSoftware Development: implement and test open-source software that is used to interact with smart contracts\nCommunity Building: work with the team to create and foster a community of developers we can trust to carry Union forward\nQualifications\nHands on experience in a software architect/engineering role, ideally some within solidity/ethereum development or at a fintech where funds are at risk.\nA good understanding of blockchain fundamentals, smart contracts, other defi protocols, etc.\nDemonstrated interest in open and community-driven platforms e.g. you've voted in governance\nGood Written Communication and Documentation skills in English.\nNice to have: experience submitting proposals for a blockchain based project with a live token\nNice to have: experience with L2, Rollups, interchain, cross-chain messaging\nBenefits\nMoney you can exchange for things\nA Voting Stake in the Union protocol\nHome office stipend\nHow to Apply\nDoes this role sound like a good fit? 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