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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.

Microsoft Security is on a mission to make the world a safer place. As digital threats grow in scale and sophistication, our customers face increasing pressure to protect their data, users, and infrastructure. Microsoft Security delivers comprehensive, integrated solutions that help organizations defend against evolving threats, meet regulatory requirements, and operate securely across hybrid and multicloud environments. As part of this mission, the Identity division is redefining how identity is used to secure access in a cloud-first, mobile-first world. Identity is the control plane that connects people, applications, and data—and it is central to any modern security strategy. Our identity platform provides secure access for everyone and everything, helping organizations protect what matters most.

We are looking for a Senior Software Engineer to join our team building the authentication libraries that power secure access for Microsoft applications—including Outlook, Word, Excel, Teams, and Authenticator—as well as thousands of third-party apps. These libraries are foundational to Microsoft’s identity platform and are used by millions of developers and end users worldwide. In this role, you will design and implement secure, scalable, and high-performance authentication components that enable seamless single sign-on (SSO) and access to cloud resources. You will work closely with product managers, security experts, and engineering teams across Microsoft to ensure our solutions meet the highest standards of security, reliability, and usability. This is a unique opportunity to work on highly visible, security-critical projects that directly impact Microsoft’s core businesses and customer trust. You will gain deep expertise in authentication protocols, secure API design, telemetry, and threat mitigation—while helping shape the future of identity and access management.

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.

Responsibilities

+ Design and develop features that enable a great developer experience, which in turn will create delightful customer experiences

+ Adhere to and drive modern software engineering practices through design reviews

+ Engage with customers through open source, to deliver features that meet actual customer needs.

+ Improve test coverage for libraries, organize and implement integration tests, and resolve problem areas

+ Considers testability, portability/monitoring, reliability, and maintainability, and understands when code is ready to be shared and delivered

+ Gain a working understanding of Microsoft businesses and collaborate with mentors and leaders to contribute to cohesive, end-to-end experiences for our users

+ Focus on customer/partner needs through a data driven approach.

Qualifications

Required/Minimum Qualifications

+ Bachelor's Degree in Computer Science, or related technical discipline AND 4+ yearstechnical engineering experience with coding in languages including Java or Kotlin

+ OR equivalent experience.

+ 2+ years of experience with Android development

**Other Requirements:** 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.

Additional or Preferred Qualifications

+ Bachelor's Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including Java or Kotlin

+ OR Master's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including Java or Kotlin

+ OR equivalent experience.

+ Familiarity with continuous integration and continuous deployment (CI/CD) pipelines.

+ Knowledge of security best practices and experience in implementing secure software solutions.

+ Deep understanding of authentication and authorization protocols, including OAuth, OpenID Connect, and SAML. Experience building SDK’s

Software Engineering IC4 - The typical base pay range for this role across the U.S. is USD $119,800 - $234,700 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 $158,400 - $258,000 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

Microsoft will accept applications for the role until June 23, 2025.

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Microsoft is an equal opportunity employer. Consistent with applicable law, all qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations (https://careers.microsoft.com/v2/global/en/accessibility.html) .