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Principal Software Engineer - Backend

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Microsoft Corporation

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Location:
United States , Redmond

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Contract Type:
Not provided

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Salary:

139900.00 - 274800.00 USD / Year

Job Description:

Security represents the most critical priorities for our customers in a world awash in digital threats, regulatory scrutiny, and estate complexity. Microsoft Security aspires to make the world a safer place for all. We want to reshape security and empower every user, customer, and developer with a security cloud that protects them with end to end, simplified solutions. The Microsoft Security organization accelerates Microsoft’s mission and bold ambitions to ensure that our company and industry is securing digital technology platforms, devices, and clouds in our customers’ heterogeneous environments, as well as ensuring the security of our own internal estate. Our culture is centered on embracing a growth mindset, a theme of inspiring excellence, and encouraging teams and leaders to bring their best each day. In doing so, we create life-changing innovations that impact billions of lives around the world. The Conditional Access team is at the core of the decision whether or not we allow an authentication to complete. We are responsible for helping admins configure and manage security policies and enforcing those policies to ensure individual authentication requests meet the security bar to receive or be denied a token. This team has an immense impact on the security world and has many opportunities to operate at skill, deal with real customer security and product challenges, and have a massive impact on our IDNA business. We are looking to hire a Principal Software Engineer - Backend, to join the Conditional Access team. Our charter is to allow admins to configure what security bar must be met to issue an authentication token. We work across Microsoft to design and instrument security features that give admins control of their own security posture, and work to simplify the admin experience to ensure our customers can operate in a secure manner. You will have the opportunity for massive impact across billions of authentication attempts, have visibility to high levels of leadership, and get to set and raise the bar both on reliability and security of our systems. 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. In alignment with our Microsoft values, we are committed to cultivating an inclusive work environment for all employees to positively impact our culture every day.

Job Responsibility:

  • Designing and implementing elegant solutions to complex problems
  • Mentoring and guiding other engineers on the team, keeping a high bar and ensuring we are building for the future
  • Working across teams on designs, protocols, and approaches, coordinating work and ensuring alignment
  • Ensure the reliability and uptime of our services, ensuring proper monitoring, metrics, and resilience practices
  • Embody our culture and values

Requirements:

  • Bachelor's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience
  • 6+ years of experience designing, developing, or maintaining secure software systems, with applied knowledge of authentication, data protection, access control, and secure coding practices
  • 3+ years of experience building systems with emphasis on reliability, durability, and operational efficiency, including experience with live site operations, incident response, and performance optimization
  • Ability to meet Microsoft, customer and/or government security screening requirements are required for this role
  • These requirements include, but are not limited to the following specialized security screenings: Microsoft Cloud Background Check: This position will be required to pass the Microsoft background and Microsoft Cloud background check upon hire/transfer and every two years thereafter

Nice to have:

  • Master'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 Bachelor'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 equivalent experience
  • 8+ years of experience designing, developing, or maintaining secure software systems, with applied knowledge of authentication, data protection, access control, and secure coding practices
  • Proficient communicator, can effectively author design documents, lead discussions, and help oversee and coordinate others work
  • Experience with Identity and Authentication Systems is a plus
  • Experience with high scale systems

Additional Information:

Job Posted:
February 03, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
Job Link Share:

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