{"id":58692,"url":"https://alion.io/job/g20-de-fi-engineer","title":"De-Fi Engineer","company":{"id":2379728,"name":"G-20 Group","domain":"g20.group","url":"https://alion.io/company/g20-group","size_band":"11-50","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":{"grade":"A","score":89,"open_postings":9,"ghost_share":0.111,"stale_share":0.111,"repost_share":0.111,"time_to_fill_p50_days":null,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Web3","role_family":"Web3","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Hong Kong","New York, United States","London, United Kingdom","Zurich, Switzerland"],"countries":["HK","US","GB","CH"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":83000,"max_usd":175000,"period":"year","method":null,"sample_n":62},"experience_years_min":null,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[{"name":"DeFi","optional":false},{"name":"Go","optional":false},{"name":"Move","optional":false},{"name":"Python","optional":false},{"name":"Rust","optional":false},{"name":"Smart Contracts","optional":false},{"name":"Solidity","optional":false},{"name":"TypeScript","optional":false},{"name":"Yul","optional":false}],"status":"live","first_seen_at":"2026-08-13T00:00:00Z","employer_posted_date":"2026-08-13","last_verified_at":"2026-10-17T13:49:31Z","board_verified":true,"closed_at":null,"days_open":65,"trust":{"level":"ok","repost_count":1,"flags":[],"days_open":65},"description":"About G20 Group\nG-20 Group is a cross-asset trading firm headquartered in Switzerland, trading delta-one and derivatives markets globally. We combine startup agility with institutional-grade experience in proprietary trading, technology, and quantitative finance.\n\nRole Overview\nWe’re expanding our team with a De-Fi Developer & Engineer - someone who has a true passion for innovation using blockchain technology within the spectrum of financial markets, pushing the boundaries in a close-knit technology, math and trading-focused team. The individual will work with colleagues with expertise in systematic and automatic quantitative trading and market making.\nResponsibilities\nCo-develop our trading algorithms and platform architecture, implementing innovative trade execution and connectivity solutions. \nConduct thorough research and analysis of DeFi protocols using on-chain data to build the continuously evolving technology to support market making and trading strategies \nResearch and implement novel blockchain functionalities and protocols \nResearch smart contract libraries and frameworks \nMaintain deep awareness of DeFi protocol updates and market developments \nProven experience in deployment on various blockchain platforms \nRequirements\nPostgraduate or Graduate degree demonstrating a solid background in programming (Computer Science, Computer Engineering, or equivalent) \nComfortable or native in web3 technology and cryptocurrency markets \nProven experience of an advanced understanding of EVM or another other blockchain ecosystem architectures and corresponding implementations \nProficient programming skills in at least 2 of the following languages: C + +, Python, Typescript, Rust (Solidity is an asset) \nProficiency in certain blockchain-related programming languages (Golang, Rust, Solidity, Move, Yul) \nExperience in smart contract audits and a desire to innovate at the lowest levels of blockchain technology \nDemonstrated ability of large technological stack deployments and deliver finished projects \nFluent English communication skills \nPreferred / Desirable Experience\nHands-on experience with blockchain analytics, DeFi protocols across different chains \nDeep technical knowledge of specific blockchain platforms \nHaving worked in a fast paced quantitative or trading experience is a plus \nFamiliarity in Typescript and other languages used in Web3 is a plus\nLocations and Right to work: This role can be based out of our Zurich, London, New York or Hong Kong office. Only candidates who possess the pre-existing right to work in one of the locations above without company sponsorship need apply.\nJoin G-20 and be a part of a team that is at the forefront of financial markets, driving innovation and excellence in the sector.","description_format":"text","description_chars":2759,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Blockchain & Crypto","Professional Services","Cryptocurrencies","DAO"],"lifecycle":[{"event":"open","at":"2026-08-13T00:00:00Z"},{"event":"reopen","at":"2026-10-14T04:24:07Z"}],"visa":[],"liveness":{"score":13,"band":"cold","label":"Long shot","p_open":1,"p_active":0.302,"p_room":0.44,"age_days":65,"expected_fill_days":61,"reasons":["conf:1","win:tail","crowd:"],"computed_at":"2026-10-17T05:46:00Z"},"pay":null,"html_url":"https://alion.io/job/g20-de-fi-engineer","json_url":"https://alion.io/job/g20-de-fi-engineer.json","meta":{"generated_at":"2026-10-17T16:16:17Z","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":22291,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-18T00:00:00Z"}},"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":2379728},"rest":"https://alion.io/mcp/rest/get_company?id=2379728"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fg20-de-fi-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%2Fg20-de-fi-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%2Fg20-de-fi-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/g20-de-fi-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fg20-de-fi-engineer"}]}