Microsoft

Principal Software Engineer

Microsoft
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17 hours ago
Redmond, WA, USAStaff+
H1B sponsor

Base Salary

$143k - $304k/yr

Responsibilities

  • Define technical strategy and architecture for long-running agentic capabilities and multi-model experiences in Microsoft 365 Copilot.
  • Build and own scalable distributed backend services powering Critique, Council, and related Copilot experiences from design through production operation.
  • Create evaluation methodologies, offline benchmarks, and online experimentation frameworks for measuring model and product performance.
  • Translate emerging AI capabilities into customer experiences while making technical tradeoffs and clarifying requirements.
  • Lead complex initiatives across teams, align stakeholders, define interfaces, and resolve dependencies.
  • Mentor engineers and promote architecture reviews, code reviews, reusable patterns, maintainable software, and engineering best practices.
  • Champion responsible AI-assisted and agentic engineering practices and foster inclusive collaboration.

Requirements

  • Bachelor’s degree in computer science or a related technical field and 6+ years of technical engineering experience with coding in languages including C, C++, C#, Java, JavaScript, or Python, or equivalent experience.
  • Ability to pass Microsoft, customer, and/or government security screening requirements, including the Microsoft Cloud background check upon hire or transfer and every two years thereafter.
  • Preferred: master’s degree with 6+ years or bachelor’s degree with 8+ years of technical engineering experience, or equivalent experience.
  • Experience designing, building, shipping, and operating large-scale distributed systems, cloud services, or complex production platforms.
  • Experience building production AI systems using large language models, retrieval-augmented generation, agent orchestration, tool integration, or model gateways.
  • Experience with AI evaluation and prompt management for production applications.
  • Ability to lead complex technical initiatives, influence architecture, drive engineering standards, and align teams across organizational boundaries.
  • Knowledge of Responsible AI and AI safety practices, including privacy, security, compliance, and data governance for enterprise AI systems.
  • Experience with modern AI and agentic engineering practices, including workflow automation and AI-assisted development.

Benefits

  • The position is open for a minimum of five days, with applications accepted on an ongoing basis until filled.
  • Certain roles may be eligible for benefits and other compensation; additional information is available through Microsoft’s corporate pay information page.
Microsoft

About Microsoft

10,000+ employees

Microsoft develops operating systems, productivity software, cloud services, developer tools, and consumer devices for individuals, enterprises, and governments. Its main products include Windows, Microsoft 365, Azure, Visual Studio/GitHub, Xbox, and LinkedIn; revenue comes from software subscriptions and licenses, cloud consumption, hardware sales, and advertising. Founded in 1975 and headquartered in Redmond, Washington, Microsoft is a public company traded on Nasdaq.

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