Zip seeks a Senior Software Engineer in Test (SDET) to design and execute comprehensive test strategies, build scalable automation across backend and frontend, drive root cause analysis, and apply verification and validation rigor (including for AI-produced outputs). The role requires 8+ years in quality engineering/QA automation, strong programming skills (preferably TypeScript/JavaScript), experience with CI/CD and tools such as Playwright/Cypress/Selenium/Appium, and is US-based (remote-first with a Manhattan office).

Remote-first (US) Staff Engineer role to own and evolve the real-time money movement and payments platform. Responsibilities include setting technical direction across distributed backend systems, leading cross-team initiatives, defining event-driven and microservice patterns, and driving AI adoption to improve developer productivity and system quality. Requires 12+ years of experience in distributed backend systems, strong payments/fintech or correctness-critical systems experience, hands-on coding ability, and cloud experience (AWS or Azure). Visa sponsorship is not available. Annual base pay range listed: $190,000–$220,000 (USD).

Remote-first US-based role to own design and delivery of payment infrastructure integrating with Stripe Issuing and banking partners. Requires 10+ years of software engineering experience, deep expertise with .NET/C#, Azure, distributed systems, DDD/CQRS, payments/platform integrations, and experience applying AI-assisted development tools to improve engineering workflows.