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Principal Software Engineer, Full Stack

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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. Purview Data security team is expanding into new horizons including data security for AI applications, transforming data security in agentic world. We are looking for a Principal Software Engineer to build innovations to provide best in class data protection for Microsoft customers by building high performance and reliable systems. Our mission is to help protect customers with truly innovative proactive protection, advise customers on emerging trends, and engage in valuable partnerships. Our team fosters an agile, inclusive development environment and supportive culture. 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.

Job Responsibility:

  • Leads by example across teams and mentors others to produce extensible, maintainable, well-tested, secure, and performant code used across products that adheres to design specifications
  • Identifies best practices and coding patterns (e.g., leveraging state-of-the-art generative artificial intelligence [GenAI], approaches to source code organization, naming conventions) and provides deep expertise in the coding and validation strategy
  • Applies and identifies best practices and shares information with other engineers for building code based on well-established methods and secure design principles while also applying best practices for new code development and formal validation of security invariants
  • Leads product development and scaling to customer requirements and applies best practices for meeting scaling needs and performance expectations and security promises
  • Creates and applies metrics to drive code quality and stability, appropriate coding patterns, and best practices. Understands and applies security best practices and establishes code invariants to model "security as code," ensuring each layer is independently secure, and minimizing risk
  • Demonstrates deep understanding of upstream and downstream interactions between systems and ensures security, compliance, performance, and reliability can be achieved across the entire stack. Coordinates and collaborates with other teams to reach common goals where dependencies and validation concerns overlap

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
  • 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
  • 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
  • 5+ years of experience programming in modern back-end languages such as C#, Java, Go, or Python
  • 3+ years of experience designing, building, and operating scalable, highly available cloud services or distributed systems on platforms such as Azure, AWS, GCP, or comparable cloud environments, with production ownership and CI/CD pipeline integration
  • 3+ years of experience applying distributed systems concepts such as concurrency, conflict resolution, and consensus algorithms to build resilient and maintainable back-end architectures
  • 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
  • 3+ years of experience programming in modern back-end languages such as C#, Java, Go, or Python
  • 3+ years of experience designing, developing, or maintaining secure software systems, with applied knowledge of authentication, data protection, access control, and secure coding practices

Additional Information:

Job Posted:
March 20, 2026

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

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