Senior Software Engineer

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 Engineer, you will be responsible for designing, implementing, and maintaining the systems and services that form Alpaca's foundation and empower millions of users who trade billions of dollars worth of assets. You will be responsible for regional recruitment initiatives, supporting cross-functional team projects, mentoring talent on our engineering principles and practices, and fostering Alpaca culture in the region. As Senior Engineer, you will also serve as the operational reliability and engineering lead and the incident commander during regional business hours, ensuring proactive 24x7 stability.

For this role, we are seeking an experienced full-stack engineer dedicated to delivering high-quality, seamless software solutions. The ideal candidate has a proven track record of designing and building scalable applications and is comfortable challenging conventions and advocating for innovative solutions. In this position, you will have the autonomy to architect and implement solutions that meet our strategic objectives while also a collaborative, cross-functional team.

Things You Get To Do

• Design a highly scalable, mission-critical brokerage system.
• Develop and enhance the middle- and back-office systems, including gRPC microservices, a React-based UI for internal administration and API developers, and third-party vendor integrations.
• Work closely with Alpaca's core teams to enhance and transform the core framework, enabling support for multiple languages, currencies, and markets.
• Collaborate with tech leads in other regions both synchronously and asynchronously, using Slack and occasional meetings outside of regular working hours to align with global teams.
• Troubleshoot incidents and reported bugs to maintain system integrity and performance.
• Thrive in a global environment, effectively navigating regulatory requirements and building scalable solutions to support Alpaca's international growth.
• You may be asked to be on-call to assist with timely engineering projects.

Who You Are (Must-Haves):

• Strong problem-solving skills paired with a proactive mindset.
• Proficiency in Go or similar backend languages, with expertise in designing robust and efficient system architectures.
• Strong communication skills to collaborate effectively with global teams, local regulators, vendors, and internal stakeholders.
• Ability to act as incident commander and lead and troubleshoot incidents or bugs with authority.
• Strong computer science fundamentals and proven software engineering architecture experience
• Ability to work independently in a fully remote, globally distributed team, and under pressure in a fast-paced environment.
• Strategic thinking and the ability to translate technical concepts into business strategies.
• Experience with event-driven design.

Who You Might Be (Nice-to-Haves):

• Experience with AI tooling such as Cursor, Claude Code, Codex or others.
• Experience working in a startup or fast-growing technology company.
• Knowledge of emerging technologies.
• Experience with domain-driven design
• Experience working with global teams
• Experience in the financial services industry, specifically with online trading platforms, brokerage systems, or fintech companies.
• Experience in designing and developing complex financial systems, preferably including double-entry accounting.
• Understanding of financial transaction processing, trade lifecycle management, and settlement processes.
• Strong experience with online trading systems, including order management, execution, market data processing, and real-time trade processing.
• Experience in building scalable, high-availability financial applications that handle multi-currency transactions.
• Experience working with financial APIs, market data integrations, and trade settlement processes.
• Familiarity with regulatory compliance requirements in financial markets.

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.

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