Senior Software Engineer - Corporate Actions & Security Master

Overview

Senior Software Engineer on the Reference Data team, building the data backbone of Alpaca's brokerage infrastructure across the Security Master and corporate actions.

What you'll do

• 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.

What you'll need

• 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; capability and impact are assessed rather than a fixed years-of-experience threshold.

Nice to have

• 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.

Details

• Remote, EMEA.