Senior Android Engineer - High-Throughput Payments

Toast is seeking a Senior Software Engineer for Card Readers to ensure fast, reliable payment processing across large-scale Android codebases. You will design, develop and maintain high-performance JVM-based services, mentor teammates, and collaborate across backend, product, UX/UI, and QA to deliver secure, scalable payment experiences.

The role emphasizes strong API design, observability, and ongoing adoption of emerging technologies, with a hybrid work model across regions.