Principal Software Engineer - Platforms

Do you want to reinvent how a billion people use their PCs, with AI agents that get things done for them? Microsoft's mission is to empower every person and every organization on the planet to achieve more. Windows is central to Microsoft's hybrid AI story, and we're reimagining it as the home for intelligent, agentic computing.The Windows Agent & Growth Innovations team in Microsoft India builds the AI and agentic experiences in Windows: agents that understand what users want and complete tasks for them across apps, devices and the cloud. You'll work on current and next-generation Windows, alongside teams across Windows, Microsoft AI and other product groups worldwide. We come together with a growth mindset and build on our values of respect, integrity and accountability to create a culture of inclusion where everyone can thrive.

Responsibilities

We're looking for a senior technical leader with strong C++/C# skills and a passion for AI to build agentic experiences that reach hundreds of millions of customers.

Lead the architecture and design of complex, cross-team AI and agentic features on Windows.

Deliver high-quality, performant code, with a focus on latency, memory and reliability across a wide range of devices.

Define quality and success metrics for AI experiences, including evaluation, reliability and responsible AI.

Work with product, design and data science partners to turn ambiguous ideas into shipped customer value.Mentor engineers and raise the engineering bar through modern, AI-assisted practices.

Qualifications

• 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python.
• Hands-on experience building AI-powered products, such as LLMs, agent frameworks, semantic search or on-device inference.
• Solid Windows or systems-level engineering experience.
• Expereince in building scalable and reliable platform.
• Collaborate with mutiple groups and teams to drive technical strategic decisions.
• Proven cross-group technical leadership and excellent communication skills.

#W+DJOBS

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.