Lead application-level Azure architecture decisions: compute (App Service, Container Apps, AKS, Functions), persistence (Azure SQL, Cosmos DB, Blob), eventing (Service Bus, Event Grid), API Management, identity (Entra ID), and key management. Key member of the team that owns the integration architecture for IGEN's enterprise touchpoints - SAP, IRS, TTB, state revenue agencies, and client ERP/billing systems - defining contracts, versioning strategy, idempotency, retry semantics, and health monitoring.