About the Team Consumer Copilot Security is at the core of Microsoft’s mission to deliver trusted, human-centered AI experiences. We make security and resilience intrinsic to every Copilot interaction,across devices, platforms, and ecosystems.
\nAbout the Role Copilot for consumers depends on a rock-solid identity foundation that makes personalized AI experiences safe and seamless across Windows, Edge, web, and mobile. We’re seeking a hands-on Principal Software Engineer to define and lead the strategy for authentication, authorization, and account systems across Copilot experiences, partnering deeply with Microsoft’s central identity platform and related teams. You’ll tackle novel risks at the frontier of agential AI, applying proven solutions and inventing new ones where needed. This role demands a rare blend of deep backend engineering expertise, mastery of modern consumer identity protocols, and the ability to make sound trade-offs between risk and velocity,keeping Copilot moving fast while raising the security and reliability bar.
\nWhy This Role Matters Your work will secure AI experiences for hundreds of millions of users worldwide, shaping how people trust and interact with Microsoft’s most transformative products. If you thrive on solving hard technical problems at scale, influencing architecture across platforms, and building systems that balance speed and trust, this is your opportunity to make a global impact.
\nResponsibilities Identity strategy & architecture: Define the end-to-end identity vision for consumer Copilot and MAI, covering user/account models, sign-in, session management, token issuance/validation, service-to-service auth, and cross-device experiences. Cross-surface platform leadership: Drive common authentication/SSO patterns and SDKs for Windows, Edge, web, iOS, and Android; ensure seamless UX and consistent security controls across consumer surfaces and modalities. Collaborate with product, engineering, security, privacy, and identity teams across Copilot, MAI and IDNA to drive improvements in authentication, identity, and security. Influence technical direction and best practices across a large, distributed system, ensuring alignment and adoption of key initiatives. Establish, monitor, and continuously improve key authentication metrics across Copilot and MAI. Collaborate with engineering, product, and identity teams to align on a unified ground truth and leverage dashboards for ongoing measurement and root cause analysis Align with central Microsoft Account roadmaps, influence platform capabilities, and land them in Copilot and MAI consumer scenarios at scale. Define and document authentication patterns and requirements for AI-powered, agential flows. Ensure these patterns address novel risks, support secure delegation, and enable safe orchestration of actions across devices and services. Hands-on engineering: Ship secure, well-tested, maintainable code and frameworks that other teams can adopt quickly. Product mindset: Balance customer experience with consumer-grade security, privacy, and compliance expectations for Copilot. Work closely with globally distributed teams, managing effective communication, coordination, and project delivery across multiple time zones. Foster strong cross-regional partnerships to drive identity and authentication improvements at scale.
\nQualifications Required Qualifications: Bachelor’s Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience. Preferred Qualifications: Master’s Degree in Computer Science or related technical field AND 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelor’s Degree in Computer Science or related technical field AND 15+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience. Experience integrating with Microsoft Account, and familiarity with consumer identity features. Cross-platform delivery: Shipped identity flows and SDKs across multiple consumer client platforms (Windows, macOS, iOS, Android, web). Governance & lifecycle: Familiarity with consumer identity lifecycle management and privacy controls. Privacy/Compliance: Experience embedding privacy-by-design and meeting consumer compliance expectations for Copilot-class workloads. Leadership: Track record mentoring senior engineers and driving adoption of platform standards across many product teams.
\n#MicrosoftAI Software Engineering IC6 – The typical base pay range for this role across the U.S. is USD $163,000 – $296,400 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $220,800 – $331,200 per year. Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here: https://careers.microsoft.com/us/en/us-corporate-pay
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\nAbout the Role
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\nThis role sits at the intersection of marketing technology, data operations, and program management , and requires someone who can move fluidly between strategic planning and hands-on execution.
\nResponsibilities
\nRequirements
\nPreferred Qualifications
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\nCompensation and Benefits: $200,000 - $340,000 USD Base salary is just one part of our total rewards package at xAI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks.
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