Senior Software Engineer-Office Growth and Experiences
 Microsoft | |
 United States, Washington, Redmond | |
 Jul 02, 2025 | |
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OverviewThe Office Growth and Experiences team (OGX) is an experienced and highly passionate group at Microsoft that builds and maintains end-to-end ownership of Office across all platforms. Empowering developers with exceptional opportunities for ownership, autonomy, and professional growth as we tackle complex problems across Windows, Mac, iOS, and Android. OGX is responsible for a wide breadth of areas including best-in-class UX, next-gen collaboration, business-critical fundamentals, and driving user engagement for millions of users across our multiple ecosystems. Within OGX we are specifically looking for a Senior Software Engineer with a strong focus on driving top-tier performance for iOS (and iPadOS) platforms. You will collaborate with teams across Office, lead architectural discussions to improve performance, and mentor other engineers as we continue to elevate Office's capabilities on Apple's mobile devices. 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.
ResponsibilitiesPerformance Ownership: Lead end-to-end efforts to improve performance on iOS, including design, coding, and extensive instrumentation. Identify hotspots, architect solutions, and drive these improvements into production. Technical Leadership: Serve as a technical leader and influencer within the team, shaping strategy for performance optimization. Proactively drive alignment on best practices, patterns, and technology choices to meet stringent performance goals. Mentorship & Collaboration: As a senior member of the team, mentor other engineers (from new graduates to mid-level) in areas such as profiling, debugging, multithreading, and memory optimization. Collaborate across disciplines (e.g., PM, Design, Test) and geographies, ensuring we deliver end-to-end solutions efficiently. Mobile-Centric Mindset: Advocate for the unique needs of mobile devices-network constraints, battery life, memory usage, and platform-specific capabilities-helping shape product direction and user experience on iOS. Data-Driven Development: Rely on telemetry and analytics to identify top performance bottlenecks. Continuously measure success by gathering and interpreting performance metrics, using the data to inform ongoing improvements and future designs. Quality & Stability: Contribute to designing robust test coverage for performance scenarios. Ensure that new and existing features maintain and improve user experience without regressions. | |