Middleware & Integration Engineer

Role Overview: The Integration Engineer is responsible for designing, developing, and maintaining enterprise integrations across internal and external applications using Microsoft Azure Integration Services and .NET technologies. This role focuses on API development, middleware solutions, event-driven architectures, messaging platforms, and system-to-system integrations. The engineer will work closely with application teams, business stakeholders, and architects to deliver secure, scalable, and reliable integration solutions across the organization. Key Responsibilities 1. Solution Design Design and implement integration solutions using Azure services such as: Azure Logic Apps (Standard & Consumption) Azure Service Bus (Queues, Topics, DLQ) Azure API Management Event Grid / Event Hub Azure Functions Translate functional requirements into scalable integration architectures. Build robust retry, error-handling, dead-lettering, and monitoring patterns. 2. Development & Implementation Develop integration workflows using Logic Apps (stateful and stateless). Implement synchronous and asynchronous messaging patterns. Build APIs and connectors for internal/external system integrations. Implement CI/CD pipelines for integration components (Azure DevOps/GitHub). Build reusable components, templates, and enterprise integration patterns. 3. Service Bus & Messaging Configure queues, topics, subscriptions, and rules. Implement DLQ handling, repair & replay, and quarantine logic. Ensure message security, idempotency, and guaranteed delivery. 4. API Management Publish, secure, and monitor APIs using Azure API Management. Implement policies (rate limiting, caching, transformation, authentication). Manage API lifecycle and developer onboarding. 5. Monitoring & Support Implement alerting and observability using: Application Insights Log Analytics Azure Monitor Troubleshoot integration failures, performance issues, and message dead-lettering. Support production workloads, ensure platform reliability, and optimize cost. 6. Security & Governance Apply best practices for identity and access management (Azure AD). Implement security standards: Managed Identity, OAuth2, RBAC, Key Vault. Ensure compliance with company governance and Azure landing zone policies. Qualifications and Experience: Bachelor's degree in Computer Science, Software Engineering, or a related field. Strong programming skills in C# and .NET . Experience developing and consuming RESTful APIs . Experience with ASP.NET Core Web API development. Understanding of enterprise integration patterns and middleware concepts. Knowledge of synchronous and asynchronous communication mechanisms. Experience with messaging platforms such as: Azure Service Bus Strong understanding of JSON, XML, and API contracts. Experience with Azure services including: Azure Logic Apps Azure Functions Azure API Management Azure Service Bus Event Grid Cosmos DB Azure Storage Container Experience with Git and Azure DevOps. Familiarity with CI/CD pipelines and deployment automation. Understanding of authentication and security concepts including: OAuth2 OpenID Connect Managed Identity Azure Key Vault RBAC Experience troubleshooting distributed applications and integrations. Strong analytical, debugging, and problem-solving skills. The ideal candidate has experience with: C# / .NET ASP.NET Core REST APIs Azure Integration Services Middleware platforms Service Bus and messaging API Management Event-Driven Architecture Microservices Azure DevOps