About the Position

Senior Software Engineer – Agent Developer Platform

Remote - Americas

About the Company

Alpaca is a US-headquartered, global leader in agent-first brokerage infrastructure for stocks, ETFs, options, crypto, fixed income, 24/5 trading, and more. Among 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, totaling over 10 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 $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.

Responsibilities

Design and build Alpaca’s agent-facing developer platform: MCP servers, tools, skills, and the APIs behind them.
Evolve that platform as the MCP protocol and connector, plugin, and skill standards change.
Build new APIs that make trading and account capabilities available to apps and agents.
Decide which components the platform renders, so developers and partners build apps faster from shared building blocks.
Keep Alpaca’s execution model current with the MCP protocol and with connector, plugin, and skill standards, and translate what changes into the application architecture of the developer platform.
Own production reliability and quality for the services you build.
Mentor engineers and raise the quality of design and implementation in this area.

Requirements

5+ years of software engineering experience, with ownership of production systems that other developers use.
Shipped a developer-facing API, SDK, or platform as a primary contributor.
Enough MCP architecture to work with stateless and stateful behavior, and experience building to MCP, or to connector, plugin, or skill standards, as they have changed in production.
Strong API design, including schemas, compatibility, and responses other developers can rely on.
Proficiency in Python or TypeScript, and a willingness to work primarily in Go.
Strong architectural judgment, with a record of shipping while requirements are still being defined.
Clear communication with engineers, product, compliance, and risk partners.

Nice to Have

Experience shipping developer-facing tools, SDKs, or MCP servers.
Experience building agents with a framework such as LangChain.
Experience or understanding of financial markets.
Production experience with Go.
Experience working at a startup.
Experience working remotely.

We Offer

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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Senior Software Engineer – Agent Developer Platform

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