{"id":3130120,"url":"https://alion.io/job/alpaca-senior-full-stack-engineer-internal-tools","title":"Senior Full-Stack Engineer - Internal Tools","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":78,"open_postings":9,"ghost_share":0,"stale_share":0.889,"repost_share":0,"time_to_fill_p50_days":52,"computed_at":"2026-10-25T05:49:26Z"}},"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","AR","BR","CA","CO","MX","AI","AG","AW","BS","BB","BZ","BM","BO","VG","BQ","KY","CL","CR","CW","DM","DO","EC","SV","FK","GF","GL","GD","GP","GT","GY","HT","HN","JM","MQ","MS","NI","PA","PY","PE"],"hiring_countries_total":51,"salary":null,"salary_estimate":{"min_usd":126000,"max_usd":294000,"period":"year","method":"role_seniority_country_cell","sample_n":13},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"C++","optional":false},{"name":"Go","optional":false},{"name":"PostgreSQL","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"Rust","optional":false},{"name":"SQL","optional":false},{"name":"TypeScript","optional":false},{"name":"WebSockets","optional":false},{"name":"GCP","optional":true},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-10-23T03:09:51Z","employer_posted_date":"2026-10-23","last_verified_at":"2026-10-25T15:43:55Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"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, you will be responsible for architecting, implementing, and maintaining frontend applications and backend services that form the foundation of user experience at Alpaca and empower millions of users who trade billions of dollars worth of assets.\nAs part of a focused and specialized engineering team, you will be responsible for the user experience and product development for Internal Tools customers, encompassing both the frontend trading dashboards and backend systems that power Internal Tools product features like elite, high-yield cash, paper accounts, and more. Working closely with our users and internal stakeholders, we specialize in delivering high-quality end-to-end solutions across the full suite of frontend and backend systems at Alpaca.\nWe’re looking for someone who brings deep frontend and backend expertise, understands how all parts of the stack work together, enjoys mentoring others, and thrives in a culture of curiosity and continuous improvement. Working collaboratively in a cross-functional team, you’ll build elegant and robust systems and services to deliver innovative product features across the stack.\nThings You Get To Do:\nPlay a pivotal role in architecting and developing software solutions across the full stack that push the boundaries of technology\nWork closely with cross-functional teams and dive deep into the backend systems and infrastructure that power financial markets\nContribute to API design and product features within our ecosystem.\nOwn the delivery of high-visibility features/projects, from design to deployment\nMentor peers and influence the technical strategy of our company\nWho You Are (Must-Haves):\n5+ years of experience using a modern systems programming language like Golang, C++, or Rust\n3+ years of experience in frontend development with TypeScript/React\nProficient with SQL and relational databases, preferably PostgreSQL\nProficient in HTML and CSS frameworks such as TailwindCSS\nExcellent communication and collaboration skills\nProven track record of building user-facing features end-to-end\nExperience with REST APIs and WebSockets best practices\nAttention to detail and an appreciation for design aesthetics\nWho You Might Be (Nice-to-Haves):\nAlgo trading experience (either professional or personal)\nExperience with major cloud platforms (we primarily use GCP)\nExperience or understanding of financial markets\nExperience working at a startup\nExperience working remotely\nHow We Take Care of You:\nCompetitive Salary & Stock Options\nHealth Benefits\nNew Hire Home-Office Setup: One-time USD $500\nMonthly Stipend: USD $150 per month via a Brex Card\nAlpaca is proud to be an equal opportunity workplace dedicated to pursuing and hiring a diverse workforce.\n\nRecruitment Privacy 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