Staff Software Engineer Core Trading
Who We Are:
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.
Our Team Members:
We're a dynamic team of 230+ 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!
We're searching for passionate individuals eager to contribute to Alpaca's rapid growth. If you align with our core valuesâStay Curious, Have Empathy, and Be Accountableâand are ready to make a significant impact, we encourage you to apply.
Your Role:
We are seeking a Staff Engineer to join our Core Trading Team. This is a high-impact technical role for someone who wants to remain deeply hands-on while shaping the architecture of our trading infrastructure. You will be the technical authority on low-latency systems, responsible for pushing the boundaries of performance, determinism, and scale across order routing, execution, and market connectivity.
You will not manage people directly â instead, you will lead through technical expertise, code quality, and design influence, mentoring others while continuing to be a principal contributor to mission-critical systems.
Key Responsibilities
- Own the architecture, design, and technical roadmap of the core trading platform.
- Lead initiatives on low-latency optimizations, deterministic performance, and resiliency.
- Guide integration with exchanges and liquidity venues (FIX, OUCH, ITCH, proprietary APIs) at scale.
- Establish best practices for high-frequency trading system development (testing, monitoring, incident response).
- Partner with risk and compliance teams to embed real-time pre-trade risk, credit, and margin controls.
- Act as a mu
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