Senior Software Engineer - Core Ledger

Alpaca is a US‑headquartered broker‑dealer and brokerage infrastructure provider for stocks, ETFs, options, crypto, fixed income, and 24/5 trading. Our Series C funding brought total investment to over $170 million, fueling an ambitious vision of opening financial services to everyone on the planet.

Your Role
As a Senior Engineer on the Ledger Team, you will design, implement, and maintain the systems that form the foundation of Alpaca and empower millions of users who trade billions of dollars worth of assets.

Things You Get To Do

Collaborate with internal stakeholders—including finance, operations, and product teams—to deliver high‑impact features and projects.

Build backend systems and components with integrity, maintainability, scalability, and stability in mind.

Own the delivery of high‑visibility features and projects, from design to deployment.

Collaborate with engineering teams to improve the health of Alpaca’s systems.

Who You Are (Must‑Haves)

A seasoned engineer with 5+ years of experience working on systems at scale.

Obsessed with performant, defect‑free, maintainable code.

A strong problem solver with a proactive mindset.

A collaborator who can create alignment with technical and non‑technical stakeholders alike.

Comfortable working head‑down or tag‑teaming problems.

Strong coding skills, preferably in Go.

Ability to debug issues or foresee problems and avoid them entirely.

Experience with IDLs (e.g., protobuf), RPC frameworks (e.g., gRPC), cloud platforms (e.g., GCP), and relational databases (e.g., Postgre

SQL).

Who You Might Be (Nice‑to‑Haves)

Experience in the financial services or accounting industry.

Experience with distributed systems/databases.

Experience with event‑driven systems and messaging brokers (e.g., Redpanda).

Experience working remotely.

Experience working at a startup.

How We Take Care of You

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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