New 
Senior Software Engineer
 Microsoft | |
 United States, Washington, Redmond | |
 Oct 26, 2025 | |
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OverviewAd SDK team builds advanced software development kits that enable seamless integration of advertising solutions into partner applications and platforms, both Microsoft and non-Microsoft. Our goal is to create fast, secure, and developer-friendly SDKs that help partners monetize their products at scale. We tackle tough technical challenges to ensure our solutions run smoothly across different environments, all while pushing the boundaries of ad-serving technology. As a Senior Software Engineer, you'll be hands-on in designing and optimizing SDK components, especially for browsers using JavaScript and TypeScript. You should have a solid understanding of how browsers work under the hood, including rendering pipelines and performance tuning. You'll collaborate with teams around the world to build cross-platform solutions that reach millions of users. Expect to work on innovative features, improve the developer experience, and ensure everything meets high standards for security and privacy. 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. 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.
ResponsibilitiesCollaborates with appropriate stakeholders to determine user requirements for a scenario.Drives identification of dependencies and the development of design documents for a product, application, service, or 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 appropriate stakeholders (e.g., project managers) to drive a workgroup's project plans, release plans, and work items.Acts as a Designated Responsible Individual (DRI) and guides other engineers 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.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. | |