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Microsoft

Builds workplace software, PCs and cloud services

Principal Software Engineer

Software EngineeringUpdated on Nov 9
Full-timeRedmond, WA, USA$142.8k - $304.2k /yrIn-person

About the Job

Requirements

  • A Bachelor's degree in Computer Science or a related technical field and 6 or more years of technical engineering experience coding in languages including C, C++, C#, Java, JavaScript, or Python, or equivalent experience.
  • A Master's degree in Computer Science or a related technical field and 8 or more years of technical engineering experience coding in languages including C, C++, C#, Java, JavaScript, or Python; or a Bachelor's degree in Computer Science or a related technical field and 12 or more years of such experience; or equivalent experience.
  • Experience designing, building, and operating distributed systems or shared platform services in production.
  • Experience building platforms or developer tools adopted across multiple teams, with demonstrated improvements in engineering productivity, service reliability, or operational efficiency.
  • Hands-on experience integrating large language models or agents into engineering workflows, including tool integration, evaluation, permission boundaries, and human oversight.
  • Experience designing interfaces and workflows for human developers and AI agents, with clear contracts, discoverable capabilities, and auditable execution.
  • Depth in one or more platform domains, such as service frameworks, data infrastructure, observability, continuous integration and continuous delivery, experimentation, configuration management, or cloud infrastructure.
  • Experience using telemetry, profiling, and production investigations to identify systemic bottlenecks and deliver measurable performance or cost improvements.
  • Experience modernizing established systems through incremental architecture changes and migrations that preserve customer and partner confidence.
  • A track record of balancing forward-looking exploration with pragmatic delivery, turning successful prototypes into supported, widely adopted platform capabilities.
  • Systems engineering fundamentals, including application programming interface design, concurrency, data management, failure handling, and performance analysis.
  • An AI-forward engineering mindset, including the ability to identify valuable AI applications, write production code, lead difficult implementation work, and critically evaluate correctness, security, reliability, and cost.
  • Demonstrated technical leadership on complex initiatives spanning multiple teams, including architectural decisions and delivery through production adoption.
  • Ability to translate ambiguous requirements and developer needs into practical, maintainable technical solutions.
  • Communication and collaboration skills, including explaining technical tradeoffs, influencing decisions, and mentoring engineers.
  • Ability to meet Microsoft, customer, and/or government security screening requirements, including passing the Microsoft Cloud Background Check upon hire or transfer and every two years thereafter.

Responsibilities

  • Set technical direction by defining and driving a platform roadmap that connects long-term architectural investments with engineering-team and business needs.
  • Develop AI-assisted and agent-based capabilities for workflows such as troubleshooting, testing, migrations, and operational analysis, and establish evaluations and safeguards that make their results trustworthy.
  • Work directly with partner teams to understand friction, validate solutions, and turn recurring challenges into self-service capabilities that engineers choose to adopt.
  • Build automated validation, progressive rollout, observability, and recovery mechanisms that enable fast delivery without transferring unnecessary risk to production.
  • Lead initiatives from problem definition and architecture through implementation, adoption, and ongoing operation; measure success through developer experience, reliability, performance, and cost.
  • Align stakeholders across organizational boundaries on priorities and technical tradeoffs, resolve ambiguous problems, and build shared approaches that enable teams to evolve independently.
  • Stay close to code, mentor engineers, guide design reviews, and foster a culture of curiosity, accountability, and continuous improvement.

About the Company

Microsoft

Builds workplace software, PCs and cloud services

Microsoft builds workplace software, operating systems and cloud infrastructure for consumers, businesses and government agencies, from small organizations to global enterprises. Microsoft 365 combines Word and Excel with Teams communication and Copilot AI features, while Windows runs PCs and Surface supplies the company's own computers. Azure rents computing capacity, storage and databases to build and run web applications. Microsoft also sells Xbox consoles and games, collecting revenue through software licenses, subscriptions, usage charges and product sales. Founded in 1975 by Bill Gates and Paul Allen, Microsoft is headquartered in Redmond, Washington.

Company size
10,001+
Company stage
IPO
Headquarters
Redmond, WA
Founded
1975

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