Senior Software Engineer

Senior Software Engineer on the POS team responsible for full-stack ownership of a point-of-sale product: React Native/Expo mobile app, Python/FastAPI backend, Terraform and AWS infrastructure, Kubernetes/Helm/Argo CD deployments. Build offline-first capabilities (SQLite, WAL, sync, conflict handling), design APIs and data models (PostgreSQL), own observability, testing, performance, security, and production reliability. Requirements include 5+ years engineering experience, strong Python and/or TypeScript, mobile/frontend experience, cloud-native delivery (Terraform, Docker, Kubernetes, CI/CD), payments and real-time transactional systems experience.