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Software Engineer II

Microsoft

$100,600 - $199,000
Oct 27, 2025
Redmond, WA, US
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Windows Forms (WinForms) is a UI framework for building desktop applications on Windows, enabling developers to create reliable, scalable enterprise solutions for more than twenty years. The WinForms team works directly with the global developer community through our open-source repo, keeping WinForms modern and relevant by incorporating new Windows and .NET features. We use Azure DevOps, GitHub, and C-Sharp. Our team is all-in with AI: we use it to build new features in WinForms, improve our own workflows, and help customers bring AI into their applications. As part of CoreAI’s Developer Division, we focus on strong fundamentals, security, and delivering modern solutions for our customers with an AI-first mindset. We are looking for a Software Engineer II who enjoys solving complex problems and building a platform that makes a real impact for millions of developers. If you want to help developers, modernize core technologies, and drive security, this is the team for you. We work directly with customers to deliver tools that help engineers succeed. Join a collaborative, data-driven team that values technical excellence, thoughtful solutions, and is passionate about developers and developer tools.

Requirements

  • 1+ years of experience in windows desktop application development.
  • 6+ months of experience using AI-assisted development tools (e.g., GitHub Copilot, or similar) to enhance productivity and code quality.
  • 1+ years of experience applying AI technologies (such as large language models or code generation tools) in software development workflows, including tasks like static analysis, automated documentation, or test generation.
  • 1+ years of experience with Experience in COM components and Native DLLs
  • Experience building and deploying services to Azure, AWS, or similar cloud platforms.
  • Experience with containerization and DevOps tools/processes.
  • Experience building developer tools, such as extensions for Visual Studio or VS Code.

Responsibilities

  • Own end-to-end features and collaborate directly with customers to deliver solutions that address real-world needs.
  • Oversee release pipelines, build automation, and testing infrastructure for WinForms.
  • Ensure high quality, reliability, and strong fundamentals in every release:
  • Build & release automation pipelines
  • Functional & performance testing infrastructure
  • Compliance and security maintenance
  • Enhance developer productivity, automate workflows, and improve insight, such as integrating AI-assisted troubleshooting, intelligent build orchestration, or smart test selection.

Other

  • 3 days / week in-office
  • Travel 0-25%
  • The ability to meet Microsoft, customer, and/or government security screening requirements is required for this role.
  • Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter.
  • Work closely with product teams in DevDiv and 1ES to deliver up-to-date solutions that improve velocity and confidence. Understand pain points and deliver the best experience for them.