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Software Engineer II

Microsoft

$100,600 - $199,000
Sep 3, 2025
Redmond, WA, USA
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The Passwordless Core team in Windows Security is on a mission to make user sign-ins faster, safer, and more intuitive for billions of users by eliminating passwords and raising the bar for security at Microsoft

Requirements

  • Coding experience in languages including, but not limited to, C, C++, Java, JavaScript, or Python
  • Experience in software design or architecture, especially in security or platform components
  • Experience in OS development
  • Solid understanding of authentication protocols, cryptography, or security fundamentals

Responsibilities

  • Design and implement core authentication components that power Windows Hello and passkey-based sign-in experiences
  • Build and optimize authentication flows using facial recognition, fingerprint, and other secure modalities
  • Develop secure, performant, and reliable components that protect user credentials and sensitive data
  • Collaborate with stakeholders in Windows, Azure, Identity, and beyond to determine user requirements for end-to-end authentication solutions
  • Drive identification of dependencies and the development of design documents for core authentication components
  • Create, implement, optimize, debug, refactor, and reuse code to establish and improve performance and maintainability, effectiveness, and return on investment (ROI)
  • Investigate and resolve complex issues in authentication flows, with a focus on security, privacy, and user experience

Other

  • Bachelor's Degree in Computer Science or related technical field
  • Ability to meet Microsoft, customer and/or government security screening requirements
  • Passion for working collaboratively with a team to solve challenging technical problems
  • Embody our culture and values
  • Ability to adapt to new trends, technical solutions, and patterns