M365 is at the center of Microsoft’s cloud first, devices first strategy as it brings together cloud versions of our most trusted communications and collaboration products such as Exchange, SharePoint, Yammer, and Lync with the latest version of our desktop suite and mobile apps. Our customers depend on our services to run their organizations, whether that is a Fortune 500 company, a small business, a non-profit, or an educational institution. Are you passionate about search technology, and building leading software and services? M365 is the locomotive that is driving the growing Microsoft valuation, and critical to the future of the company. Substrate is the set of intelligent, high value services and compliant environment that is enabling the next generation of transformative end-user experiences for Office and the entire company. The M365 Search Extensibility team has an opportunity for you get in on designing and building a core part of the stack, including data processing and understanding. Design and build “Mega Scale” internet services in M365 group for consumers and businesses across the globe. Help end-users find the best Copilot experience to M365 service. Hands-on development and implementation of secure authentication solutions across our services. 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** + Work in the Microsoft Productivity Suite, enabling millions of users to have a great search experience across core Office products like SharePoint, Outlook, and Teams. + Stay at the forefront of search technology and empower semantic search using LLM and AI technologies. + Build distributed, highly available, and resilient systems. + Design and implement authentication solutions for services and applications. + Work with services that span thousands of servers, handle tens of billions of transactions, and serve hundreds of millions of users. **Qualifications** **Required Qualifications:** + Bachelor's Degree in Computer Science, or related technical discipline AND 6+ 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 people management experience. + 8+ years of experience in software engineering. + Passion for quality and a proven track record of delivering excellent results under challenging schedules. + Deep interest in software development. + Strong communication skill in both English and Chinese **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. **Preferred Qualifications:** + Bachelor's Degree in Computer Science + OR related technical field AND 10+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python + OR Master'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. + LLM or AI experience is nice to have \#M365Core Microsoft is an equal opportunity employer. Consistent with applicable law, 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 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) .