Senior API Developer

MKS2 Technologies · Remote · Engineering

Posted 2026-07-23

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Senior .NET Developer

Pay Rate: $130 - $140K annually with full benefits

Role Description: 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.

Languages: .Net. Tech Stack: Azure

Responsibilities include:

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

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 Azure

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

Mandatory skills:

·         API programming: Advanced

·         Microsoft .NET Framework: Advanced

·         Microsoft .NET Core: Advanced

Preferred skills:

·         Microsoft Azure: Foundational

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