The Role Build and scale global payments and treasury systems using resilient, event-driven microservices. Design client-facing APIs, distributed systems, financial ledgers, and payment integrations while ensuring scalability, reliability, and system integrity. Collaborate independently and cross-functionally to define and implement solutions, troubleshoot issues, and maintain clean, tested code. Work with cloud infrastructure, Kubernetes, messaging systems, relational databases, payment rails, reconciliation, and double-entry accounting. Summary Generated by

Built In Who We Are:

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

Our Team Members:

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. If you align with our core values—Stay Curious, Have Empathy, and Be Accountable—and are ready to make a significant impact, we encourage you to apply. 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. Operating in an industry in which money movement is a critical component, 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 have ambitious plans to build a seamlessly integrated comprehensive treasury platform into an industry leading end-to-end financial infrastructure on a global scale. Alpaca has and will continue to prove ourselves as an innovative market leader and 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 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 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):g 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 Read Full Description Skills Required At least 3 years of experience working on systems at scale Strong problem-solving skills and a proactive mindset Excellent communication and collaboration skills Ability to work independently and as part of a team Experience building and maintaining microservices Experience with client-facing APIs Strong coding skills, preferably in Go Ability to write clean, well-tested, maintainable code Experience with domain-driven design and event-driven design 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 Experience with payment rails and the payment lifecycle Experience with double-entry accounting and financial ledgers Previous experience in the financial industry or knowledge of payment initiations Experience with financial reconciliation systems Experience with or understanding of

ISO 20022

financial standards Experience working remotely Experience at a startup, exchange, brokerage, market maker, or hedge fund DevOps mindset View all jobs at Alpaca View Alpaca Profile Report Job