{"id":826675,"url":"https://alion.io/job/uniswap-labs-senior-smart-contract-engineer","title":"Senior Smart Contract Engineer","company":{"id":47492,"name":"Uniswap Labs","domain":"uniswap.org","url":"https://alion.io/company/uniswap-labs","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"B","score":75,"open_postings":4,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-25T05:49:26Z"}},"role":"Web3","role_family":"Web3","seniority":"senior","employment_type":"contractor","work_mode":"hybrid","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":{"min":226000,"max":282000,"currency":"USD","period":"year","gross":null,"usd_annual":282000},"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"DeFi","optional":false},{"name":"Ethereum","optional":false},{"name":"Layer 2","optional":false},{"name":"Smart Contracts","optional":false},{"name":"Solidity","optional":false},{"name":"Unichain","optional":false},{"name":"Uniswap","optional":false}],"status":"live","first_seen_at":"2026-03-18T18:54:23Z","employer_posted_date":"2026-03-18","last_verified_at":"2026-10-25T23:54:18Z","board_verified":true,"closed_at":null,"days_open":221,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":220},"description":"Uniswap Labs is a core contributor to the Uniswap Protocol, the world’s largest DEX, with over $4 trillion in volume across 17 chains. It builds products that help millions access the protocol, including the Uniswap Web App, Wallet, and Trading API. Uniswap Labs is also the primary technical provider for Unichain, a DeFi-native Ethereum Layer 2 built to be the home for liquidity across chains.\nWhen you join Uniswap, you become part of a team that's reshaping the way value flows on the internet.\nWe are looking for an experienced smart contract engineer to help us build the next generation of the Uniswap Protocol. You will be responsible for implementing and designing smart contracts for the next generation of the most popular decentralized trading protocol on Ethereum.\nResponsibilities:\nContribute to the Uniswap protocol by designing and implement smart contracts\n\nResearch, apply, and invent new smart contract paradigms\n\nDesign and implement peripheral mechanisms to the Uniswap protocol\n\nRequirements:\n4+ years of experience building and releasing production grade Solidity contracts\n\nA deep understanding of the Ethereum Virtual Machine\n\nPrior experience deploying complex smart contract systems to the Ethereum mainnet\n\nNice to Haves:\nDegree in math or computer science\n\nExperience implementing complex math in Solidity\n\nLove for unicorns :)\n\nMinimum full-time salary of $226,000-$282,000. Disclosure in accordance with New York City's Pay Transparency Law. Full Time employees at Uniswap Labs are also eligible for other compensation elements, including tokens, and benefits, dependent on the position type.\nUniswap Labs' Full-Time employee benefits include company-paid medical, dental, & vision for you and your dependents, wellness offerings including a partnership with Equinox Fitness Clubs, 401(k) with 4% employer contribution, annual $1,500 education stipend, unlimited and encouraged time off, up to 16 weeks paid parental leave, home office setup stipend for remote employees and daily lunches at NY headquarters (all benefits are subject to applicable taxes and based on eligibility).\nUniswap Labs is committed to diversity in our workforce and is proud to be an Equal Opportunity Employer (EEO). We provide employment opportunities without regard to age, race, color, ancestry, national origin, religion, disability (including gender dysphoria and similar gender-related conditions), sex, gender identity or expression, sexual orientation (including actual or perceived heterosexuality, homosexuality, bisexuality, and asexuality), veteran status, military status, domestic violence victim status, reproductive health decision making or any other protected category. In addition, Uniswap Labs participates in E-Verify. You can view the E-Verify poster here and the Right to Work poster here.","description_format":"text","description_chars":2820,"description_truncated":false,"requirements":{"experience_years_min":4,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Home office","Parental leave"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Smart Contracts & Security","Cryptocurrencies","Blockchain & Crypto","DeFi"],"lifecycle":[{"event":"open","at":"2026-09-12T14:56:26Z"}],"visa":[],"liveness":{"score":8,"band":"cold","label":"Long shot","p_open":1,"p_active":0.272,"p_room":0.28,"age_days":220,"expected_fill_days":36,"reasons":["conf:0","win:tail","crowd:"],"computed_at":"2026-10-25T05:49:26Z"},"pay":{"stated_usd_annual":282000,"is_top_pay":true},"html_url":"https://alion.io/job/uniswap-labs-senior-smart-contract-engineer","json_url":"https://alion.io/job/uniswap-labs-senior-smart-contract-engineer.json","meta":{"generated_at":"2026-10-26T01:09:23Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":1518,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-27T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":47492},"rest":"https://alion.io/mcp/rest/get_company?id=47492"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Funiswap-labs-senior-smart-contract-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Funiswap-labs-senior-smart-contract-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Funiswap-labs-senior-smart-contract-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/uniswap-labs-senior-smart-contract-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Funiswap-labs-senior-smart-contract-engineer"}]}