Lead API Developer

Are you a backend expert who is happiest working on server-side logic, APIs, and services. Our Client is looking for a developer passionate about performance, security, and scalability and is a team player who enjoys mentoring others and contributing to a culture of technical excellence.

• Design, develop, and maintain high-quality, scalable RESTful and SOAP-based APIs using the .NET ecosystem.
• Build and manage Windows Services following microservice design principles.
• Develop data access layers using Entity Framework and work extensively with MSSQL databases.
• Implement and configure Identity Management solutions, including modern OAuth2 flows.
• Collaborate within an Agile team environment, utilizing TFS/GIT for source control.
• Write clean, maintainable code and implement comprehensive Unit Tests (xUnit/nUnit).
• Participate in architectural discussions, advocating for SOLID principles and clean coding practices.
• Implement application logging and monitoring to ensure system health and performance.

• 8+ years of professional experience with both .NET Framework and .NET Core with 3 years in a leadership role.
• Proven, hands-on experience developing and hosting REST-based APIs in IIS.
• Strong practical experience with Entity Framework and MSSQL.
• Experience with Identity Management configuration and modern authentication protocols (OAuth2).
• Experience in developing Windows Services or similar long-running backend processes.
• Exposure to application logging and monitoring tools.
• Experience with Azure cloud services, particularly Azure Function Apps.
• Knowledge of SOAP-based web services.
• Experience configuring FIDO authentication is a significant plus.
• An Azure certification is highly advantageous.