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Principal Software Engineering, MSN & Windows

United States, Washington, Redmond💼 Full-time🗓 2026-07-23 → 2026-09-26

Core

Lead design and development of large-scale Windows and MSN experiences, focusing on reliability, performance, and user engagement for Windows Widgets, dashboards, and content surfaces.

Role type

Principal Software Engineer (Windows Client/MSN)

Builds

Windows Widgets, dashboard experiences, content surfaces, and supporting platform components

Domain

Operating Systems (Windows) / Consumer Client Platforms

Deliverable

production ML models | product features

Required skills

C++, C#, JavaScript/TypeScript, architecture at scale, performance engineering, client-side architecture, telemetry and experimentation, cross-organizational leadership, mentoring

Preferred skills

AI-powered experiences, recommendation systems, personalization, modern web technologies

Responsibilities

Drive technical strategy and architecture for Windows platform components, partner with Windows engineering teams to deliver integrated experiences, influence engineering excellence through architecture reviews and mentorship, translate business objectives into scalable technical solutions, use data and experimentation to guide product investments, drive end-to-end execution across multiple teams, champion quality and operational excellence

Seniority

Principal, strategy & mentorship

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