Senior Software Engineer(Ads Billing team)

Collaborates with PMs to identify and determine advertisers'

for multiple billing scenarios revenue recognition, budget control, credit enforcement, invoicing, financial reporting and so on, own and drive design/implement/ship features according to requirement and timeline. Drives identification of dependencies and the development of design documents for product, application, service and platform. Creates, implements, optimizes, debugs, refactors, and reuses code to establish and improve performance and maintainability, effectiveness, and return on investment (ROI). Leverages subject-matter expertise of product features and partners with stakeholders to drive a workgroup's project plans, release plans, and work items. Acts as a Designated Responsible Individual (DRI) and work with team members by developing and following the playbook, working on call to monitor system/product/service for degradation, downtime, or interruptions, alerting stakeholders about status and initiates actions to restore system/product/service for simple and complex problems when appropriate. Set a high technical and quality bar for agentic systems and developer-facing tooling. Design and ship performant, reliable terminal experiences that developers depend on for daily work. Use data, benchmarks, and direct user feedback to guide iteration and investment Proactively seeks new knowledge and adapts to new trends, technical solutions, and patterns that will improve the availability, reliability, efficiency, observability, and performance of Billing system while also driving consistency in monitoring and operations at scale. 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 o 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: • Master's Degree in Computer Science or related technical field AND 5+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python o OR Bachelor'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. • Hands-on experience building and operating AI agent/MCP in production, with direct ownership over quality, reliability, and iteration. • Good experience building and shipping customer-facing developer interfaces/products, with depth across platform/foundation systems and user-facing experiences. • Solid product mindset with a track record of owning ambiguous problem spaces and driving them to high-quality outcomes. • Solid engineering fundamentals, including systems design, performance, and debugging in complex production environments. • Experience designing, running, and optimizing evaluations for platforms, including tools, prompts, and agent loops. 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.