Senior Full-Stack Engineer responsible for designing, implementing, and maintaining systems and services that form the foundation of Alpaca and empower millions of users who trade billions of dollars worth of assets. As part of the Trading API team, responsibilities include frontend trading dashboards and backend systems powering Trading API features like elite, high-yield cash, paper accounts, and more. Role involves architecting and developing software across the full stack, collaborating with cross-functional teams, API design, and delivering high-visibility features from design to deployment. Mentoring peers and influencing technical strategy.