Senior Backend Engineer at Delan Associates, Inc | Austin, TX, US | Rezi

Senior Backend Engineer at Delan Associates, Inc

Senior Backend Engineer

Delan Associates, Inc · Austin, TX, US

Today

Senior Backend Engineer

Delan Associates, Inc · Austin, TX, US

2 hours ago
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About the Role

Build the backend services, APIs, and orchestration layer behind the Sales Command Center. This 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.

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 to prevent tight coupling between UI/domain services and CRM schemas.
  • Implement authentication, authorization, idempotency, retries, timeouts, circuit breakers, rate limits, caching, and canonical error handling.
  • Develop read models and caching patterns for high-volume requests to avoid direct hits on Dynamics.
  • Utilize 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.

Requirements

  • 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

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