Senior Software Engineer chez Microsoft Corporation

Overview

The Windows Platform & Developer Agentic OS team is building at the cutting edge of AI, systems, and user experience. If you thrive in ambitious, high-impact roles and want to shape how billions of users interact with their devices, we’d love to meet you.

Whether it’s transforming enterprise automation, redefining developer experiences, or pioneering new models of human-AI interaction, you’ll be part of a team that’s setting the standard for the next generation of computing. If you're passionate about building systems that think, act, and evolve—this is your moment to lead the charge.

We are seeking a highly skilled and motivated Senior Software Developer to join the Agentic OS team in Windows focused on building intelligent, secure, and scalable platform for this next evolution of the OS. This role is ideal for someone with deep expertise in Windows internals, operating systems architecture, and security engineering, and who thrives in a fast-paced, mission-driven environment.

Microsoft’s 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

• Architect and develop core components of the Agentic OS platform, enabling secure and intelligent agentic interactions across Windows environments.

• Collaborate with cross-functional teams including AI/ML scientists, OS engineers, and security architects to design and implement robust solutions.

• Drive innovation in agentic and user interaction flows.

• Contribute to the evolution of the Windows shell and services, including low-level components such as kernel drivers and early boot stack.

• Ensure compliance with enterprise-grade security standards and contribute to threat modeling and mitigation strategies.

Qualifications

Required Qualifications:

• Bachelor's 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.

• 4+ years development experience, especially in Windows internals, kernel-mode, and/or low-level Operating Systems.

• Experience designing, building, and optimizing Large-Scale Distributed Systems.

• Ability to lead and influence cross-team projects, drive architectural decisions, and advocate for best practices across the organization.

Preferred Qualifications:

• Master'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#, Java, JavaScript, or Python OR 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

• OR equivalent experience.

• 5+ years developing OS software (Windows, Linux, macOS, or similar) with a focus on security, including threat modeling and secure coding.

• Proven track record integrating AI/ML models into production systems, including agentic architectures, LLMs, and adaptive workflows.

Starting January 26, 2026, Microsoft AI (MAI) employees who live within a 50- mile commute of a designated Microsoft office in the U.S. or 25-mile commute of a non-U.S., country-specific location are expected to work from the office at least four days per week. This expectation is subject to local law and may vary by jurisdiction.

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Software Engineering IC4 - The typical base pay range for this role across the U.S. is USD $119,800 - $234,700 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 $158,400 - $258,000 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.

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. (https://careers.microsoft.com/v2/global/en/accessibility.html)