Senior Software Engineer - Payments & Treasury

Alpaca is a US-headquartered, global leader in agent-first brokerage infrastructure for stocks, ETFs, options, crypto, fixed income, 24/5 trading, and more. We are a licensed financial services company, serving hundreds of financial institutions across 40 countries with our institutional-grade APIs, totaling over 10 million brokerage accounts.

Our global team is a diverse group of experienced engineers, traders, and brokerage professionals committed to opening financial services to everyone on the planet. We're backed by $400 million in funding from top-tier global investors.

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 and align with our core values: Stay Curious, Have Empathy, and Be Accountable.

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 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, where resilient engineering, technical and operational scalability, and system integrity are crucial.

We have ambitious plans to build a seamlessly integrated comprehensive treasury platform into an industry-leading end-to-end financial infrastructure on a global scale. This team is a core component of our growth across global markets and asset classes. 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.

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 better yet, 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