Senior Software Engineer - Tax Platform

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 $320 million, fueling our ambitious vision. 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, totaling over 9 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.

### Key Responsibilities: - Design, build, and operate highly scalable, resilient, and secure microservices and data processing systems using idiomatic Golang. - Model complex, long-running tax reporting business logic as durable, stateful workflows using Temporal to ensure correctness and reliability. - Implement and optimize data pipelines consuming financial events from Redpanda, ensuring data quality, timeliness, and integrity. - Collaborate with cross-functional teams of tax analysts, legal experts, and product managers to translate complex and evolving regulatory requirements into robust, maintainable, and verifiable software solutions. - Provide technical leadership and mentorship, driving best practices in distributed system design, API definition with gRPC, code quality, and advanced testing strategies. - Build systems with auditability, traceability, and data lineage as a first-class concern to ensure transparency for our auditors and regulators. - Own the full lifecycle of your services, including automated deployment (CI/CD with tools like Jenkins and Terraform), proactive monitoring, and incident response, following a "you build it, you run it" philosophy.

### Must-Haves: - 5+ years of professional software engineering experience, with a proven track record of shipping and operating complex, large-scale systems in production. - Deep, hands-on expertise in Golang, including a strong command of its concurrency models (goroutines, channels), memory management, and standard library. - Demonstrable experience in designing, building, and reasoning about distributed systems, including a strong understanding of microservices architecture and API design patterns (e.g., REST, gRPC). - Exceptional analytical and problem-solving skills, with the ability to deconstruct complex requirements into clear technical components and excellent communication skills for working in a cross-functional environment. ### Nice-to-Haves: - Hands-on experience with Temporal or similar durable execution systems like Cadence or AWS Step Functions. - Experience with Redpanda or Apache Kafka, with a solid understanding of the Kafka protocol. - Production experience with gRPC and Protocol Buffers (Protobuf). - Proficiency with AWS, containerization (Docker, Kubernetes), Infrastructure as Code (Terraform), and CI/CD pipelines (e.g., Jenkins). - Experience with modern observability tools like Prometheus, Grafana, and distributed tracing systems. - Prior experience in FinTech, RegTech, or another highly regulated industry with familiarity with financial data or compliance systems.

### 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.

Alpaca is a global leader in brokerage infrastructure APIs, providing access to stocks, ETFs, options, fixed income, and crypto, along with embeddable finance solutions like tokenization and securities lending. It serves retail traders, institutional investors, app developers, and fintech companies worldwide through its API-first platform. The company, originally started in 2015 as a database and machine learning firm, is headquartered in San Mateo, California.