The Data Management Platform (DMP) team is at the heart of user understanding for Microsoft Advertising. We build and operate large-scale data pipelines, machine learning models, and APIs that enable user segmentation, targeting, personalization, and measurement for advertisers and publishers. We work with massive amounts of data from diverse sources such as web browsing, search queries, and interests. We apply advanced techniques in natural language processing, deep learning, graph mining, and differential privacy to extract insights and value from the data while preserving user trust and privacy. As a **Principal Software Engineer** in our team, you will be making technical, operational, planning, and strategic contributions to our user identity & segmentation solutions in support of our growing business. This opportunity will allow you to hone your skills building systems that operate at high scale, high availability, low latency, high cardinality, and to ensure high quality in the user-identity & segmentation solutions. You will have opportunities to develop deep business understanding of existing and future advertising practices. You'll work directly with high accomplished teams and engineers that drive performance and innovation at the cutting edge. Our team is globally distributed which provides flexible and partial remote work opportunities 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** + Partners with appropriate stakeholders to determine user requirements for one or more complex scenarios. + Provides technical leadership for the identification of dependencies and the development of design documents for a product, application, service, or platform. + Leads by example and mentors others to produce extensible and maintainable code used across the company. + Leverages deep subject-matter expertise of cross-product features with appropriate stakeholders (e.g., project managers) to lead multiple product's project plans, release plans, and work items. + Holds accountability as a Designated Responsible Individual (DRI), mentoring engineers across products/solutions, working on-call to monitor system/product/service for degradation, downtime, or interruptions. + Proactively seeks new knowledge and adapts to new trends, technical solutions, and patterns that will improve the availability, reliability, efficiency, observability, and performance of products while also driving consistency in monitoring and operations at scale and shares knowledge with other engineers. **Qualifications** **Required Qualifications:** + Bachelor's Degree in Computer Science or related technical field AND proficient technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python + OR equivalent experience. **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 proficient years of 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 10+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python + OR equivalent experience. \#MicrosoftAI 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) .