New 
Senior .Net Developer
 Quadrant, Inc. | |
 United States, Maryland, Edgewater | |
 Jul 27, 2026 | |
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.Net Developer (Sr.) Washington, DC Pay From: $60.00 per hour MUST: Seeking .NET Developer (Sr.) 5+years of experience Deploying solutions through CI/CD pipelines Packaging and deploying APIs to Azure environments, and publishing them through Azure API Management for routing, policy enforcement, rating, versioning and monitoring. Conduct testing of .NET APIs on AzureAPI programming: Advanced Microsoft .NET Framework: Advanced Microsoft .NET Core: Advanced DUTIES: API developer for .NET APIs on an Azure integration platform that sits between CRM apps and back-end DBs with data exposed via APIs. APIs are written in .NET Framework currently, with future migration to .NET Core. Develop and test new and updated APIs on the integration platform. Collaborate with front-end consumers and back-end data providers to align on design and conduct testing. Troubleshoot and fix production defects found in APIs. This role requires skills, experience, and best practices in .NET (Core and Framework) development, testing, and technical design. Azure experience is a plus but is not required. Experience with AI tools to accelerate development and testing is a plus. Designing, developing and implementing services using C# and ASP.NET Web API/.NET Framework, integrating with authentication providers (OAuth/JWT or other auth patterns), and external services. Leverage AI tools to accelerate development and testing. Collaborate with other technical teams to align on design and testing. Create and maintain detailed technical documentation. Troubleshoot and resolve production defects in APIs. Participate in Agile ceremonies. Report on progress and status of development. Quadrant is an affirmative action/equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, status as a protected veteran, or status as an individual with a disability. "Healthcare benefits are offered to all eligible employees according to compliance mandated by the Affordable Care Act". | |