Principal Software Engineer - Data Platform

Overview Are you interested in building the next state-of-the-art AI infrastructure to fuel Microsoft's rapidly growing multi-billion online advertiser business?  Are you passionate about using big data and machine learning to solve real world customer problems and delight hundreds of millions of Bing users?  How about working in a fun and fast paced environment where engineers are empowered to innovate?  If so, please come join our Microsoft Ads team. We engineer massively scalable streaming systems and services that form the backbone of Bing's ~$10B monetization engine, covering all aspects of online advertising such as advertiser facing demand ingestion/management/insights, preparation and transformation of huge volume of advertising data to be served, and performing low latency and high throughput online serving.  Tough competition in the industry has created enormous opportunities as well as technical challenges in Big Data, Distributed Systems, and Machine Learning/Deep Learning.  If you would like to tackle these challenges and be part of a winning team, we are the right place for you! 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 * Design, implement, and ship infrastructure related features related to enable ads metrics alerting, diagnostics and monitoring * Optimize  data processing pipelines and evolve architectures to maximize performance and minimize cost. * Enhance flight analysis infra to optimize CTS and add new business metrics * Deep dive into data to find key insights that drive technical design and feature roadmaps * Work with partner ads and Bing teams to light-up different ads scenarios, and leverage their work * Operational support for the product to fix bugs and mitigate/resolve livesites Qualifications Required Qualification 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. Preferred Qualifications: •  Experience working on large‑scale big data systems such as Cosmos, Hadoop, Magnetar, or equivalent platforms •  Experience building or operating streaming data pipelines (e.g., real‑time or near‑real‑time processing systems) •  Experience with Apache Spark and Scala technologies •  Bachelor's Degree in Computer Science o OR related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, o OR Python o OR 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 o  OR equivalent experience. 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.