NET Payment Systems Domain Architect Remote Role Must-Have 10+ years engineering, 5+ years building payment systems Domain-driven design: bounded contexts, domain events, context mapping Expert C# / .NET 8+ and still codes Temporal (preferred) or similar durable workflow engine in production Kafka in production Azure PaaS: App Service, Cosmos DB, APIM, Key Vault --> similar technology on Google Cloud Platform Containerization, running code in Kubernetes Idempotency, saga, and reconciliation patterns in production PCI DSS and tokenization OpenTelemetry or APM observability design Track record of aligning multiple teams on a shared architecture

Nice-to-Have

Temporal Nexus or Worker Versioning EBT SNAP / WIC processing Digital wallets: Apple Pay, Google Pay Gateway APIs: Aurus, Adyen, Fiserv, Worldpay, Chase Network tokens, DPAN, multi-capture, marketplace split settlement Multi-cloud: Azure + Google Cloud Platform LaunchDarkly-driven migrations .NET Aspire, Testcontainers, Mockoon/WireMock Retail finance feeds (TLOG, sales audit, GL) Grocery/omnichannel retail Google Cloud Platform experience