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Principal Software Engineer AI Infrastructure

Microsoft


Job Location:

Redmond, WA - USA

Yearly Salary: USD 142800 - 274800
Posted: 7 October 2026 (7 hours ago)
Application Deadline: 4 January 2027
Vacancies: 1 Vacancy

Department:

Software Engineering

Job Summary

Overview
We are looking for a Principal Software Engineer to advance the reliability and observability architecture of a large-scale globally distributed AI platform. You will set technical direction and solve complex challenges across runtime routing capacity infrastructure and specialized hardware.
This role offers the opportunity to work at the intersection of distributed systems cloud infrastructure and AI inference. You will learn how advanced AI models are deployed and operated globally collaborate with experts across the stack and build foundational capabilities that directly improve customer experience.
This is an ideal role for a technical leader who enjoys solving ambiguous cross-system problems mentoring engineers and shaping engineering practices across an organization.
Microsofts mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset innovate to empower others and collaborate to realize our shared goals. Each day we build on our values of respect integrity and accountability to create a culture of inclusion where everyone can thrive at work and beyond.


Responsibilities
Responsibilities
  • Define and drive the architecture and technical roadmap for platform reliability observability and operational health.
  • Design unified health and telemetry capabilities that connect customer impact with application capacity dependency infrastructure and deployment signals.
  • Develop platform safeguards for overload protection capacity management routing integrity configuration consistency and automated isolation and recovery.
  • Establish engineering practices for production validation progressive delivery regression detection fault testing and automated rollback.
  • Advance end-to-end request tracing and diagnostics across distributed services including routing retries failover and asynchronous operations.
  • Lead cross-team architecture efforts mentor engineers and turn production learnings into reusable platform capabilities and measurable reliability improvements.


Qualifications

Required Qualifications:

  • Bachelors Degree in Computer Science or related technical field AND 6 years technical engineering experience with coding in languages including but not limited to C C C# Java JavaScript or Python
  • OR equivalent experience.

Preferred Qualifications:

  • Masters Degree in Computer Science or related technical field AND 8 years technical engineering experience with coding in languages including but not limited to C C C# Java JavaScript or Python
    • OR Bachelors Degree in Computer Science or related technical field
    • AND 12 years technical engineering experience with coding in languages including but not limited to C C C# Java JavaScript or Python
    • OR equivalent experience.
  • Experience with AI/ML serving platforms high-performance computing accelerator-based infrastructure or other compute-intensive distributed systems.
  • Experience with distributed tracing capacity management load balancing admission control retries backpressure and graceful degradation.
  • Proficiency in Azure Monitoring systems in the Azure ecosystem would be a plus.
  • Experience designing building and operating large-scale distributed systems cloud services or other complex production platforms.
  • Experience with reliability engineering observability service health telemetry and production incident response.
  • Demonstrated ability to lead complex technical initiatives and drive alignment across engineering teams and organizational boundaries.
  • Strong written and verbal communication skills including the ability to explain technical strategy and architectural decisions to engineers and senior leaders.
#AIINFRA


Software Engineering IC5 - The typical base pay range for this role across the U.S. is USD $142800 - $274800 per year. There is a different range applicable to specific work locations within the San Francisco Bay area and New York City metropolitan area and the base pay range for this role in those locations is USD $188000 - $304200 per year.

Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:
position will be open for a minimum of 5 days with applications accepted on an ongoing basis until the position is filled.



Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age ancestry citizenship color family or medical care leave gender identity or expression genetic information immigration status marital status medical condition national origin physical or mental disability political affiliation protected veteran or military status race ethnicity religion sex (including pregnancy) sexual orientation or any other characteristic protected by applicable local laws regulations and ordinances. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process read more about requesting accommodations.


Required Experience:

IC