{"id":1428433,"url":"https://alion.io/job/nexus-backend-engineer-contract-latam","title":"Backend Engineer (Contract - LATAM)","company":{"id":1860929,"name":"Nexus","domain":"nexus.xyz","url":"https://alion.io/company/nexus-xyz","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":null},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":"contractor","work_mode":"remote","remote_scope":"stated_regions","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":[],"countries":[],"hiring_countries":["AR","BR","MX","AG","AW","BS","BB","BZ","BM","BO","VG","BQ","KY","CL","CR","CW","DM","DO","EC","SV","FK","GF","GD","GP","GT","GY","HT","HN","JM","MQ","MS","NI","PA","PY","PE","PR","KN","LC","PM","SX"],"hiring_countries_total":45,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Go","optional":false},{"name":"Node JS","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Rust","optional":false},{"name":"TypeScript","optional":false},{"name":"AWS","optional":true},{"name":"DeFi","optional":true},{"name":"Docker","optional":true},{"name":"JavaScript","optional":true},{"name":"Kubernetes","optional":true},{"name":"Smart Contracts","optional":true},{"name":"Terraform","optional":true}],"status":"live","first_seen_at":"2026-06-23T18:45:37Z","employer_posted_date":"2026-06-23","last_verified_at":"2026-09-29T20:38:05Z","board_verified":true,"closed_at":null,"days_open":98,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":98},"description":"About Nexus\nNexus is the engine for verifiable finance - a blockchain designed to natively embed the world’s financial system into one compounding system. Built to support every major financial market on a single global exchange, Nexus unifies infrastructure that has historically been fragmented across chains and intermediaries.\nHeadquartered in San Francisco with a growing presence in Buenos Aires, Nexus is proud to be a cross-continental team of engineers, cryptographers, and market builders. We’re investing deeply in the Latin American ecosystem - and always looking for world-class talent to join us.\nNexus is backed by leading investors, including Pantera, Lightspeed, Dragonfly, Faction, Blockchain Builders Fund, Alliance, and SVA, and works with more than 100 partners across the global finance and blockchain stack.\nLocation: Remote (Argentina)\nType: Contract\nDuration: 12 months with potential for extension\nThe Role\nThe Role\nWe're expanding our backend engineering team in Latin America to build the infrastructure behind Nexus's Layer 1 and its native DEX. We're hiring Backend Engineers at multiple levels - from junior to senior - so if you build reliable, high-performance systems and care about the intersection of finance and decentralized infrastructure, we want to hear from you.\nYou'll collaborate with protocol, product, and frontend teams in San Francisco while contributing remotely from Latam\nWhat You'll Do\nDesign and build backend services in Node.js and Rust for Nexus's Layer 1 and DEX.\n\nDevelop APIs and data pipelines for trading, liquidity, and on-chain verification.\n\nBuild and maintain blockchain infrastructure components (RPC endpoints, explorers, dev tools).\n\nWrite clean, well-tested, production-grade code that supports verifiable financial applications.\n\nContribute to architecture discussions and technical decisions based on your level of experience.\n\nWhat We're Looking For\nExperience building backend systems in a production environment.\n\nStrong engineering leadership\n\nVery solid systems knowledge\n\nStrong experience developing backend systems in Node.js, Rust, C++, Typescript, Go or similar languages.\n\nExperience with relational databases (PostgreSQL or similar) and API design.\n\nA track record of shipping reliable software and improving the systems you work on.\n\nExperience with distributed systems, financial infrastructure, or blockchain.\n\nExcellent communication skills in Business English (spoken & written).\n\nLevels We're Hiring\nJunior 1-3 years - Solid foundations, eagerness to grow, guided ownership\n\nPrincipal 8+ years - System design leadership, cross-team impact, mentorship, leading 5 Jr engineers in parallel and teams of at least 10 engineers\n\nBonus Points For\nLow-latency systems\n\nExperience with exchanges\n\nTrading systems / financial environments\n\nFamiliarity with blockchain architectures, smart contracts, or consensus protocols.\n\nDevOps experience (Docker, Kubernetes, Terraform, AWS).\n\nWeb3 or DeFi protocol development experience.\n\nWhy Join Us\nBuild the backend systems powering the Layer 1 for Verifiable Finance.\n\nCollaborate with experts across blockchain, AI, and financial infrastructure.\n\nShape the foundation for a verifiable, transparent, global trading system.\n\nThrive in a fast-moving, high-impact engineering environment.","description_format":"text","description_chars":3309,"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":"Upper-Intermediate (B2)","optional":false}]},"benefits":[],"hiring_locations":[{"name":"Argentina","iso":"AR","kind":"country"},{"name":"Brazil","iso":"BR","kind":"region"},{"name":"Colombia","iso":null,"kind":"region"},{"name":"Mexico","iso":"MX","kind":"region"},{"name":"Anguilla","iso":null,"kind":"region"},{"name":"Antigua and Barbuda","iso":"AG","kind":"region"},{"name":"Aruba","iso":"AW","kind":"region"},{"name":"Bahamas","iso":"BS","kind":"region"},{"name":"Barbados","iso":"BB","kind":"region"},{"name":"Belize","iso":"BZ","kind":"region"},{"name":"Bermuda","iso":"BM","kind":"region"},{"name":"Bolivia","iso":"BO","kind":"region"},{"name":"British Virgin Islands","iso":"VG","kind":"region"},{"name":"Bonaire, Sint Eustatius and Saba","iso":"BQ","kind":"region"},{"name":"Cayman Islands","iso":"KY","kind":"region"},{"name":"Chile","iso":"CL","kind":"region"},{"name":"Costa Rica","iso":"CR","kind":"region"},{"name":"Curaçao","iso":"CW","kind":"region"},{"name":"Dominica","iso":"DM","kind":"region"},{"name":"Dominican Republic","iso":"DO","kind":"region"},{"name":"Ecuador","iso":"EC","kind":"region"},{"name":"El Salvador","iso":"SV","kind":"region"},{"name":"Falkland Islands","iso":"FK","kind":"region"},{"name":"French Guiana","iso":"GF","kind":"region"},{"name":"Grenada","iso":"GD","kind":"region"},{"name":"Guadeloupe","iso":"GP","kind":"region"},{"name":"Guatemala","iso":"GT","kind":"region"},{"name":"Guyana","iso":"GY","kind":"region"},{"name":"Haiti","iso":"HT","kind":"region"},{"name":"Honduras","iso":"HN","kind":"region"},{"name":"Jamaica","iso":"JM","kind":"region"},{"name":"Martinique","iso":"MQ","kind":"region"},{"name":"Montserrat","iso":"MS","kind":"region"},{"name":"Nicaragua","iso":"NI","kind":"region"},{"name":"Panama","iso":"PA","kind":"region"},{"name":"Paraguay","iso":"PY","kind":"region"},{"name":"Peru","iso":"PE","kind":"region"},{"name":"Puerto Rico","iso":"PR","kind":"region"},{"name":"Saint Kitts and Nevis","iso":"KN","kind":"region"},{"name":"Saint Lucia","iso":"LC","kind":"region"},{"name":"Saint Vincent and the Grenadines","iso":null,"kind":"region"},{"name":"Saint-Pierre and Miquelon","iso":"PM","kind":"region"},{"name":"Sint Maarten","iso":"SX","kind":"region"},{"name":"Suriname","iso":"SR","kind":"region"},{"name":"Trinidad and Tobago","iso":"TT","kind":"region"},{"name":"Turks and Caicos Islands","iso":"TC","kind":"region"},{"name":"Uruguay","iso":"UY","kind":"region"},{"name":"United States Virgin Islands","iso":"VI","kind":"region"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Blockchain & Crypto","DeFi","Crypto Exchanges","Stock Exchanges & Market Infrastructure"],"lifecycle":[{"event":"open","at":"2026-09-29T00:34:21Z"}],"liveness":{"score":7,"band":"cold","label":"Long shot","p_open":1,"p_active":0.239,"p_room":0.28,"age_days":97,"expected_fill_days":25,"reasons":["conf:5","win:tail","crowd:"],"computed_at":"2026-09-29T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/nexus-backend-engineer-contract-latam","json_url":"https://alion.io/job/nexus-backend-engineer-contract-latam.json","meta":{"generated_at":"2026-09-30T04:53:37Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":3443,"day_limit":5000,"remaining_today":1557,"minute_limit":60,"resets_at":"2026-10-01T00:00:00Z"}}}