Lead Integration & Backend Developer (.NET Core | Azure)
Job Title: Lead Integration & Backend Developer (.NET Core | Azure) Location: Karachi, Lahore, Islamabad (Remote) Experience: 8+ years Job Summary We are seeking a highly skilled Lead Integration & Backend Developer with strong expertise in .NET Core and Microsoft Azure integration services . The ideal candidate will be responsible for designing, developing, and managing scalable backend APIs and enterprise-grade integrations across cloud and on-premise systems. This role requires hands-on experience with Azure serverless technologies, API management, and secure data integration in hybrid environments. Key Responsibilities Design, develop, and maintain scalable backend APIs using .NET Core Build and manage integrations using Azure Logic Apps and Azure Functions (Serverless) Implement and manage RESTful APIs , ensuring performance, scalability, and reliability Configure and enforce API Gateway policies , including throttling, routing, and transformations Implement OAuth2 authentication and authorization mechanisms Manage and optimize Azure API Management (APIM) for: Multi-tenant product packaging Rate limiting Subscription key management Ensure secure, encrypted end-to-end data transmission between Azure and on-premise systems Design and maintain hybrid integration solutions connecting cloud and enterprise applications Set up and manage On-Premises Data Gateways for seamless hybrid connectivity Troubleshoot and resolve integration and performance issues across distributed systems Collaborate with cross-functional teams including DevOps, Security, and Architecture teams Required Skills & Qualifications Strong experience in .NET Core / ASP.NET Core for backend development Hands-on expertise with: Azure Logic Apps Azure Functions Deep understanding of: REST APIs API Gateway policies OAuth2 / API security frameworks Extensive experience with Azure API Management (APIM) Solid knowledge of hybrid cloud architecture and integration patterns Experience implementing secure communication protocols and encryption standards Hands-on experience with On-Premises Data Gateway setup and management Strong problem-solving and debugging skills Preferred Qualifications Experience with enterprise integration patterns (EIP) Familiarity with CI/CD pipelines and DevOps practices Knowledge of microservices architecture Azure certifications (e.g., AZ-204, AZ-305 ) are a plus