• Your job is to build Alpaca's algo trading platform to satisfy our users who expect high quality and performance from their brokerage service. • This opportunity is similar to joining AWS or Heroku in their early days, designing and architecting our platform by wearing many different hats in our small team. • As an experienced engineer, you will write tons of code and make critical decisions about delivering the best experience to our customers. • This certainly requires deep knowledge in both frontend and backend, databases and distributed systems, as well as broad experience from low to high level in CPU-level hardware for high throughput, robust concurrency system design, abstract distributed system architecture for high availability and object-oriented data modeling with long term growth in mind.

• Lead the architectural design and hands-on development of our global fiat payment rails (ACH, RTP, FedNow, Request for Pay, and SEPA). • Architect, implement, and scale seamless API integrations into our banking partners' systems. • Design and build robust treasury management software for internal operations, allowing programmatic liquidity management and automated balance transfers between partner banks. • Develop robust internal operational tooling to support reconciliation, automated alerts, financial operations, and compliance reporting. • Support the company's vital business by contributing to the design and development of software in an event-driven microservices environment. • Develop microservices, primarily utilizing Golang. • Work closely with platform engineers to set up new services and scale existing infrastructure. • Respond to production issues and alerts, ensuring high availability of our payment gateways. • When necessary, communicate directly with banking partners and client technical teams to resolve complex integration issues.

• Design, develop, and maintain high-quality, high-performance software pipelines • Own software quality end-to-end • Drive system design decisions • Review code thoughtfully and thoroughly • Identify and implement improvements in performance, reliability, and observability • Collaborate with domain experts • Proactively identify problems and propose solutions

• Build, maintain, and optimize client-side video playback components • Develop new playback features and improve existing user experiences • Collaborate with frontend, mobile, and backend engineers on architecture and implementation decisions • Participate in code reviews and technical discussions • Contribute to engineering best practices and code quality initiatives • Work on React Native applications across mobile, TV, and web platforms • Help evolve native player foundations using technologies like ExoPlayer, AVFoundation, and FFmpeg • Take ownership of technical challenges and contribute to team-wide initiatives