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Senior andor Principal Software Engineer AI Infrastructure

Microsoft

Job Location:

Redmond, WA - USA

Yearly Salary: USD 119800 - 234700

Posted: 15 October 2026 (18 hours ago)

Application Deadline: 12 January 2027

Vacancies: 1 Vacancy

Department:

Software Engineering

Job Summary

Overview

AI Infra is at the forefront of Microsofts mission to redefine how software is built and experienced. We are responsible for building the foundational platforms services programming models and developer experiences that power the next generation of applications using Generative AI. Our work enables developers and enterprises to harness the full potential of AI to create intelligent adaptive and transformative software.

We build platforms to handle AI workloads for customers and have a significant business impact on products that ship across all Microsoft groups as well as enterprise customers.

We are looking for a Senior/Principal Software Engineer who will define the future of engineering systems and developer this role you will build high-scale distributed services to support large scale state of the art model training and inference.

We seek highly innovative experienced engineers to take the path ahead for services to support machine learning solutions work on highly distributed platforms with 24x7x365 service availability and tight SLA and build comprehensive and intuitive end-end solutions to delight our customers.

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

Work on the architecture design and development of the core compute services powering AzureML to tackle challenging AI problems using state-of-the-art LLM models such as GPT5 and OSS models.
Work on the architecture design and development of the core AI Infrastructure services that support large scale AI training and inferencing.
Develop test and maintain backend services written in C# Go Rust C hosted on Kubernetes clusters and Docker containers.
Develop and operate training/inference infra framework and machine learning systems.
Enhance systems and applications to ensure high stability efficiency & maintainability low latency tight cloud security.
Provide operational support and DRI responsibilities for the product.
Collaborate closely with engineers data scientists within the team internal Microsoft Research teams and external enterprises to build better solutions together.
Provide vision expertise and technical leadership to other team members.

Qualifications

Required Qualifications:

Bachelors Degree in Computer Science or related technical field AND 4 years technical engineering experience with coding in languages including but not limited to C C C# Java JavaScript or Python
OR equivalent experience.

Preferred/Additional 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.
Knowledge and first-hand experience with large model training system.
3 years of experience operating and design system which suppot the large model training.
Experience in distributed systems and architecture.
AI infrastructure and workload knowledge.

Other Requirements:

Ability to meet Microsoft customer and/or government security screening requirements are required for this role. These requirements include but are not limited to the following specialized security screenings:Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud Background Check upon hire/transfer and every two years thereafter.

#AIINFRA

Software Engineering IC4 - The typical base pay range for this role across the U.S. is USD $119800 - $234700 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 $160200 - $261000 per year.

Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:

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:

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