Senior Backend Engineer

We need solid Python Backend engineer , Fast API, and Azure for this roe and other must have. **Senior Backend Engineer** **Location : Austin Texas Hyrbid** **Interview : Video Interview** **ROLE MANDATE** Build the backend services, APIs and orchestration layer behind the Sales Command Center. The role sits between the web/iOS experiences and Dynamics 365, creating reusable services that combine CRM information with data and workflows from other enterprise platforms. **KEY RESPONSIBILITIES** * Design and develop backend services using Python and FastAPI. * Build BFFs, domain APIs and reusable business services supporting the Sales Command Center. * Implement secure integration with Microsoft Dynamics 365 / Dataverse. * Build orchestration services combining CRM data, documents, customer context, sales workflows and other enterprise systems. * Implement REST APIs, asynchronous workflows and event-driven integration patterns. * Build Dynamics adapter / anti-corruption layers so UI and domain services do not become tightly coupled to CRM schemas. * Implement authentication, authorization, idempotency, retries, timeouts, circuit breakers, rate limits, caching and canonical error handling. * Develop read models and caching patterns where high-volume requests should not directly hit Dynamics. * Use Azure API Management, Service Bus / Event Grid, Key Vault and Azure Monitor / Application Insights. * Write unit, integration and contract tests and contribute to CI/CD quality gates. * Troubleshoot production and integration issues across UI, APIs, backend services and Dynamics. **REQUIRED SKILLS** * Python * FastAPI * REST APIs and microservices * Azure application development * Azure API Management * Azure Service Bus / Event Grid * Azure Functions / App Service / containers * SQL / NoSQL * Redis or equivalent caching * OAuth 2.0 / OIDC / JWT * Observability and distributed tracing * CI/CD and automated testing * Dynamics 365 / Dataverse Web API * Dynamics workflows, security roles and service limits **PREFERRED EXPERIENCE** * Headless CRM implementation experience * BFF and API gateway architecture * Event-driven read-model patterns * CRM integration with document, analytics or customer-data platforms * Financial-services technology experience