Fullstack Developer jobs in United States

Global Anywhere

Alpaca is a US-headquartered self-clearing broker-dealer and brokerage infrastructure for stocks, ETFs, options, crypto, fixed income, 24/5 trading, and more. Our recent Series C funding round brought our total investment to over $170 million, fueling our ambitious vision.

Amongst 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 6 million brokerage accounts.

Our 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.

Alpaca is proudly backed by top-tier global investors, including Portage Ventures, Spark Capital, Tribe Capital, Social Leverage, Horizons Ventures, Unbound, SBI Group, Derayah Financial, Elefund, and Y Combinator.

We are looking for a Senior Software Engineer to join our Advisory Suite team, which powers key components of our investment management platform. You will work on critical financial engines, including portfolio rebalancing, trade aggregation, tax optimization, and fixed income analytics. You will design, build, and scale services that enable investment advisors to manage client portfolios with precision and efficiency.

• Design, build, and maintain backend services for:
• Portfolio rebalancing algorithms
• Trade aggregation logic (VWAP, TWAP)
• Tax lot accounting and optimization
• Fixed income product modelling and yield computation
• Contribute to future product areas within the advisory suite team and/or trading platform
• Collaborate with product, data and other engineering teams to translate business and financial logic into performant systems
• Write clean, maintainable, and testable code in Go
• Participate in code reviews, architecture discussions, and sprint planning
• Contribute to scaling strategies and observability practices (e.g., tracing, alerting, dashboards)

• 5+ years of professional software development experience
• Strong grasp of data structures, algorithms, and systems design
• Experience with financial systems, trading, or portfolio analytics is a strong plus
• Familiarity with time-series data processing and numerical accuracy (especially for VWAP/TWAP)
• Knowledge of fixed income concepts (e.g., yield curves, duration, accrual)
• Comfortable working in a fast-paced, agile environment

• Competitive Salary & Stock Options
• New Hire Home-Office Setup: One-time USD $500
• Monthly Stipend: USD $150 per month via a Brex Card

Alpaca is proud to be an equal opportunity workplace dedicated to pursuing and hiring a diverse workforce.

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