{"id":150116,"url":"https://alion.io/job/alpaca-senior-full-stack-engineer","title":"Senior Full-Stack Engineer - Alpaca Connect","company":{"id":3826,"name":"Alpaca","domain":"alpaca.markets","url":"https://alion.io/company/alpaca","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":81,"open_postings":10,"ghost_share":0,"stale_share":0.7,"repost_share":0.1,"time_to_fill_p50_days":57,"computed_at":"2026-10-31T05:58:55Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"remote","remote_scope":"stated_regions","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":[],"countries":[],"hiring_countries":["US","DE","FR","GB","AR","AT","BE","BR","BG","CA","CO","HR","CY","CZ","DK","FI","HU","IE","IT","MX","NL","NO","PL","RO","ES","SE","CH","AI","AG","AW","BS","BB","BZ","BM","BO","VG","BQ","KY","CL","CR"],"hiring_countries_total":83,"salary":null,"salary_estimate":{"min_usd":82000,"max_usd":183000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":8},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Go","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Rest API","optional":false},{"name":"SQL","optional":false},{"name":"TypeScript","optional":false},{"name":"Docker","optional":true},{"name":"GCP","optional":true},{"name":"Kubernetes","optional":true}],"status":"live","first_seen_at":"2026-08-28T14:41:57Z","employer_posted_date":"2026-10-25","last_verified_at":"2026-10-31T02:49:05Z","board_verified":true,"closed_at":null,"days_open":63,"trust":{"level":"ok","repost_count":2,"flags":["repost"],"days_open":63},"description":"Who We Are:\nAlpaca is a US-headquartered, global leader in agent-first brokerage infrastructure for stocks, ETFs, options, crypto, fixed income, 24/5 trading, and more.\nAmongst our subsidiaries, Alpaca is a licensed financial services company, serving hundreds of financial institutions across 40 countries with our institutional-grade APIs. This includes broker-dealers, investment advisors, wealth managers, hedge funds, and crypto exchanges, totalling over 10 million brokerage accounts.\nOur global team is a diverse group of experienced engineers, traders, and brokerage professionals who are working to achieve our mission of opening financial services to everyone on the planet. We're deeply committed to open-source contributions and fostering a vibrant community, continuously enhancing our award-winning, developer-friendly API and the robust infrastructure behind it.\nAlpaca is proudly backed by $400 million in funding from top-tier global investors including Portage Ventures, Spark Capital, Tribe Capital, Social Leverage, Horizons Ventures, Opera Tech Ventures, SBI Group, Derayah Financial, Unbound, Peak XV, Elefund, and Y Combinator.\nOur Team Members:\nWe're a dynamic team of 400+ globally distributed members who thrive working from our favorite places around the world, with teammates spanning the USA, Canada, Japan, Hungary, Nigeria, Brazil, the UK, and beyond!\nWe're searching for passionate individuals eager to contribute to Alpaca's rapid growth. If you align with our core values-Stay Curious, Have Empathy, and Be Accountable-and are ready to make a significant impact, we encourage you to apply.\nYour Role:\nAs a Senior Full-Stack Engineer on Alpaca Connect, you will build the tools and services that help developers launch applications on Alpaca. You will work across TypeScript and React frontends and Go services.\nYou will improve partner onboarding, app management, compliance review, marketplace discovery, consent, and permissions. You will also connect these workflows to Alpaca's identity, account, trading, and market data systems.\nYou will work closely with Product, Design, Compliance, Support, Partnerships, and Platform teams. We are looking for someone who can turn complex requirements into secure, straightforward product experiences.\nThings You Get To Do:\nBuild and maintain Connect experiences in TypeScript and React, with supporting Go services.\nImprove app onboarding, testing, compliance review, approval, publishing, and management.\nTurn manual support and compliance work into clear, auditable self-service workflows.\nDesign APIs and integrations across Alpaca's identity, account, trading, and market data systems.\nOwn features from design through production and help improve the team's technical direction.\nWho You Are (Must-Haves):\n5+ years of experience building production full-stack applications.\nStrong TypeScript and React skills.\nExperience with Go or another modern backend language.\nStrong SQL and relational database skills, preferably PostgreSQL.\nExperience designing REST APIs and integrating distributed services.\nExperience with OAuth, OIDC, or similar authorization systems.\nA track 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