Microsoft

Principal Software Engineer - Data, Personalization - Microsoft AI

United States, Washington, Redmond · Principal

Sponsorship not specified$166k-$296kDetected 16 hours ago

JavaScriptPythonJavaC++C#AWSAzureCloud PlatformsKafkaMachine LearningSparkProblem SolvingMicrosoft Office

About the role

As Microsoft continues to redefine the future of AI, we are seeking passionate engineers to tackle some of the most complex and impactful challenges of our time.
We aim to make Copilot feel like your Copilot - responsive to your preferences, workflows, and goals - while preserving privacy, security, performance, and scale.
You will work across Microsoft AI and Copilot teams.

Design data models and APIs that enable Copilot to reason about user context, preferences, and history
Build real-time and batch personalization engines that adapt Copilot's behavior.
Collaborate with privacy, security, and responsible AI teams to ensure personalization is safe, transparent, and user-controlled
Optimize for performance, reliability, and cost across diverse workloads and geographies.
Enjoy working in a fast-paced, design-driven, product development cycle.
As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals.
This role focuses on building distributed data systems and APIs that power adaptive, context-aware experiences across Microsoft AI.
We are looking for a Principal Software Engineer to lead the design and development of distributed data infrastructure, APIs and personalization pipelines that drive Copilot's intelligence.
The right candidate is hands-on and enjoys building world-class consumer experiences and products in a fast-paced environment.
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.

Bachelor's 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
You will possess a methodical approach to problem-solving, proficiency in backend technologies, a familiarity with applied AI and its unique challenges, and the ability to architect solutions that stand the test of time.

3+ years' experience in OSS data technology, such as Kafka, Spark, Flink.
Experience with large scale data systems
Experience working with AI platforms, frameworks, and APIs.
Ability to identify, analyze, and resolve complex technical issues, ensuring optimal performance, scalability, and user experience.
Demonstrated interpersonal skills and ability to work closely with cross-functional teams, including product managers, designers, and other engineers.
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.
Microsoft is an equal opportunity employer.

A key skill is the judgment to make the right risk vs velocity and value decisions.

Our vision is bold - to build intelligent systems that deeply understand users and adapt across agents, applications, services, and infrastructure.

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

This listing is sourced directly from Microsoft's careers page and normalized into a canonical job model.