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Principal Software Engineer

Microsoft

$139,900 - $304,200
Sep 26, 2025
Redmond, WA, US
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Microsoft is looking to solve the problem of enabling AI-powered self-service experiences across HR, IT, and Facilities domains by developing extensibility features for AI agents. This will allow for seamless, personalized, and actionable employee support through tools like Microsoft Copilot Studio and BizChat, streamlining employee interactions and automating routine tasks.

Requirements

  • coding in languages including, but not limited to C++, C-Sharp, Java, JavaScript, or Python
  • 6+ years experience designing, building, and managing high-scale full-stack systems including authentication, microservices, distributed systems, data and analytics workloads, and AI training and inferencing services.
  • 6+ years experience with AI, cloud-based architectural patterns and best practices.
  • coding in languages including, but not limited to, C, C++, C-Sharp, Java, JavaScript, or Python
  • 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C-Sharp, Java, JavaScript, or Python.

Responsibilities

  • Coordinate and partner across product teams, develop and support key extensibility features in Microsoft AI products – Microsoft Copilot Studio and Bizchat.
  • Architect and implement extensibility features that allow AI agents to interact with enterprise systems (e.g., HRIS, ITSM, Facilities platforms).
  • Own the delivery of key extensibility features such as agent publishing, multi-agent architecture improvements, MCP and connectors, and conversational workflow customization.
  • Identify and drive performance, scalability, and reliability improvements across the ESS platform.
  • Establish engineering best practices, including CI/CD, telemetry, and quality assurance.

Other

  • Ability to meet Microsoft, customer and/or government security screening requirements are required for this role.
  • This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter.
  • thrive in ambiguity, learns quickly, curious, and capable of solving problems across multiple code stacks.
  • growth mindset, innovate to empower others, and collaborate to realize our shared goals.
  • respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.