Job Title

Overview The Bing Ads Delivery System team builds and operates the largeu2011scale, lowu2011latency systems that power Microsoft Advertising. Our services run globally, sit on the critical revenue path, and must be highly reliable, efficient, and correct. Weu2019re looking for a Senior Software Engineer passionate about distributed systems, highu2011performance C++, and building productionu2011grade services with a solid customeru2011obsessed and liveu2011siteu2011first mindset. Microsoftu2019s 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. 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. Responsibilities + Design and build largeu2011scale distributed systems for realu2011time ads delivery. + Write highu2011performance, reliable C++ code in latencyu2011critical services. + Own services end to end: design, coding, testing, deployment, monitoring, and liveu2011site operations. + Drive improvements in performance, scalability, availability, and reliability. + Troubleshoot liveu2011site issues and strengthen system resiliency. + Collaborate with partner teams across Ads Serving, Ranking, and Infrastructure. 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. 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. + Experience building and operating largeu2011scale, highu2011availability systems. + Proven ability to debug and operate complex production systems. + Willingness to learn new technologies and continuously grow skills. + Solid ownership, teamwork, and customer focus. + Experience with ads systems, search, or other realu2011time decision systems. + Background in performance optimization and distributed infrastructure. #MicrosoftAI #MAI #BingAds 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: 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. (