Senior Software Engineer - Corporate Actions & Security Master

We'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!

We'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.

• Design, build and maintain distributed backend services, APIs and data models for Security Master and corporate actions.

• Extend reference data systems to support new instruments, asset classes and market-specific requirements, including futures and prediction markets.

• Build reliable workflows for ingesting, validating and processing third-party instrument and corporate action information.

• Develop internal tools and automation that reduce manual work and improve the reliability of reference data operations.

• Help redesign how foundational asset information is structured and shared across Alpaca, contributing to architectural decisions with company-wide impact.

• Work closely with engineering and business teams that consume reference data, coordinating changes across services.

• Own complex features and technical decisions from design through production, including testing, troubleshooting and continuous improvement.

• Strong experience building and operating event-driven, distributed backend systems.

• Strong database and data-modelling skills, with an understanding of eventual consistency and data replication.

• Excellent system design fundamentals, including designing and evolving APIs.

• Proficiency in a strongly typed programming language and willingness to work in Go.

• Experience taking complex or ambiguous problems from initial requirements through delivery and production operation.

• Ability to explain technical decisions and trade-offs clearly, collaborate across teams and reason through cross-system dependencies.

• Senior-level engineering judgement and ownership; we assess capability and impact rather than applying a fixed years-of-experience threshold.

• Experience in trading, brokerage, capital markets, crypto infrastructure or related financial technology.

• Experience with reference data, Security Master, instrument or asset data, or corporate action processing.

• Understanding of financial instruments, particularly options, futures and other derivatives.

• Experience with third-party data ingestion, internal tooling and workflow automation.

• Experience guiding other engineers and working across interconnected services and teams.

• Competitive Salary & Stock Options
• Health Benefits
• 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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