Principal Software Engineer

We seek a highly innovative and experienced engineer 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.

• 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., Software Engineering IC5 - The typical base pay range for this role across the U.S. is USD $139,900 - $274,800 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 $188,000 - $304,200 per year.

Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here: https://careers.microsoft.com/us/en/us-corporate-pay

This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.

• Bachelor's 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#, Rus, Go, Java, or Python

• OR equivalent experience.

• 3+ years of experience operating and designing systems which support large model training.

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., * Knowledge and first-hand experience with large model training system.
• Experience in distributed systems and architecture.
• AI infrastructure and workload knowledge.

#AIPLATFORM#

Microsoft is a global technology company headquartered in Redmond, Washington. Our mission is to empower every person and every organization on the planet to achieve more. We develop, license, and support a wide range of software products, services, and devices that help individuals and businesses realize their full potential.

Our flagship products include the Microsoft 365 productivity cloud, Windows operating system, Azure cloud platform, and Dynamics 365 business applications. We are also a leader in areas such as artificial intelligence, cybersecurity, developer tools, and gaming through Xbox and Game Pass.

With operations in more than 190 countries and over 220,000 employees worldwide, Microsoft is committed to responsible innovation, inclusive economic growth, and sustainability. We work closely with governments, industries, and communities to ensure that technology serves the public good and helps address some of the world’s most pressing challenges.

As we celebrate our 50th anniversary in 2025, we continue to look forward—investing in AI, cloud, and quantum computing to shape the future of work, education, and society at large scale.