Senior Full Stack Developer (.NET)

Cooperdyne Tech

7d • Remote

About The Position

Cooperdyne Tech is seeking a Senior Full Stack Developer (.NET) to design and build production-grade applications on the Microsoft stack. In this client-facing role, you will work across the full stack—from data modeling and API development to front-end implementation—while contributing to architecture decisions, code quality, and delivery standards. You take ownership of what you build, communicate clearly, and collaborate closely with delivery teams to ship reliable software.

Requirements

• US Citizen or Green Card holder (required)
• 5–7+ years of full stack development experience in a US-based environment (required)
• Strong C# and .NET experience delivering and supporting production applications (.NET 6+ preferred)
• Front-end proficiency with React, Angular, or Blazor, including building modern, maintainable UI components
• Hands-on experience building and consuming REST APIs; strong understanding of JSON and OAuth-based security
• Solid SQL skills, including schema design and query optimization; experience with Azure data services (Azure SQL and/or Cosmos DB)
• Working knowledge of Azure cloud infrastructure and common deployment patterns for web apps and services
• Experience working in Agile environments and using Azure DevOps for boards, backlogs, and sprint execution
• Strong problem-solving skills and clear written communication, especially in client-facing contexts

Nice To Haves

• Experience with containerization and orchestration (Docker and Kubernetes on Azure)
• Azure Developer or Azure Solutions Architect certification
• Exposure to healthcare, financial services, or other regulated industries
• Familiarity with GraphQL and/or gRPC

Responsibilities

• Design and develop web applications using .NET 6+ and C#, with a focus on clean, maintainable, production-ready code
• Build and maintain REST APIs and microservices on Azure, including authentication/authorization patterns (OAuth) and JSON-based integrations
• Design data models and optimize queries using SQL Server and Azure SQL; work with Cosmos DB where appropriate
• Implement and integrate Azure services such as App Services, Azure Functions, Service Bus, and Key Vault
• Participate in code reviews, contribute to technical standards, and help improve engineering practices across teams
• Collaborate with product owners and TPMs on sprint planning, backlog refinement, and delivery commitments
• Write unit, integration, and end-to-end tests as a normal part of delivery
• Support CI/CD pipeline setup and maintenance using Azure DevOps

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed