Senior Software Engineer

Company Overview 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 D funding round brought our total investment to over $320million, fueling our ambitious vision. Team Our global team is a diverse group of experienced engineers, traders and brokerage professionals working to achieve our mission of opening financial services to everyone on the planet. Your Role As a senior software engineer, you will help build and scale the systems and services that form the foundation of Alpaca and empower millions of users that are trading billions of dollars worth of assets daily. The payments team is responsible for building and maintaining a modern global payments and treasury platform. We adopt a modern technology‑focused approach with highly scalable, event‑driven systems. Resilient engineering, technical and operational scalability, and system integrity are crucial to our success. We are looking for senior engineers who are keen on providing quality solutions, have great fundamentals, proven experience building and architecting at scale, and are not afraid of challenging conventions or voicing their opinions. In this role, you will have the autonomy to design and implement solutions to achieve defined goals while actively participating in defining those goals. An understanding of cloud‑based modern architecture, infrastructure and orchestration practices are also great assets we actively look for. Who You Are (Must‑Haves) Strong problem‑solving skills paired with a proactive mindset Excellent communication and collaboration skills The ability to work independently and as part of a team A preference for simple and elegant solutions At least 3 years of experience working on systems at scale Proven experience in building and maintaining microservices Experience with client‑facing APIs Strong coding skills, preferably in Go Ability to write clean, well‑tested and maintainable code Experience with domain‑driven design and event‑driven design Ability to debug issues or foresee problems and avoid them entirely Familiarity with containerization and orchestration technologies, especially Kubernetes Experience with cloud platforms, preferably Google Cloud Platform Experience with messaging queues and message brokers Experience with relational databases, preferably PostgreSQL Experience with distributed systems design Previous experience with or understanding of payment rails and the payment lifecycle Experience with double entry accounting and financial ledgers Who You Might Be (Nice‑to‑Haves) Previous experience in the financial industry or knowledge of payments initiations Experience with financial reconciliation systems Experience with or understanding of ISO20022 financial standard Experience working remotely Experience working at a startup, exchange, brokerage, market maker or hedge fund DevOps mindset is an asset How We Take Care of You 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. Recruitment Privacy Policy #J-18808-Ljbffr