New 
Senior Software Engineer
 Microsoft | |
 United States, California, Mountain View | |
 Oct 26, 2025 | |
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OverviewAs AI revolutionizes the way we work at an unprecedented pace, the M365 Copilot App empowers users with the collective power of Microsoft's latest productivity experiences like Copilot Chat, Agents, Search, and Office together in one seamless home. Join the M365 Copilot App team to build the UI for AI as we shape the future of work for millions of users!As a Senior Software Engineer, you will build and drive performant, delightful, and scalable components of the M365 Copilot App that enable teams across Microsoft to deliver consistent user-friendly experiences at world-class scale and quality. You will work closely across disciplines to bring user- and data-driven ideas to production through design, prototype, implementation, responsible release, and continuous improvement. You will partner across orgs to bring products together without boundaries. This opportunity will allow you to foster a culture of technical excellence and modern web development through mentorship and coordination with fellow engineering leaders, and to balance high scale with fast pace to hone your engineering efficiency.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.
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.Thrives in a fast-paced and highly agile environment that constantly adapts to emerging capabilities and trends.OtherEmbody our Culture and Values | |