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Principal Software Engineer

Microsoft

$139,900 - $274,800
Oct 2, 2025
Redmond, WA, US
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Security represents the most critical priorities for Microsoft 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 by reshaping security and empowering users, customers, and developers with a security cloud that protects them with end-to-end, simplified solutions.

Requirements

  • 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C-Sharp, Java, JavaScript, or Python
  • 6+ years of experience working with distributed data processing frameworks such as Apache, SPark, Databricks or similar technologies to transform and manager large-scale datasets.
  • 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C-Sharp, Java, JavaScript, or Python
  • 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C-Sharp, Java, JavaScript, or Python

Responsibilities

  • Design and develop large scale distributed software services for Microsoft Purview Solutions.
  • Adhere to and drive modern software engineering practices through design and code reviews.
  • Creates design documents and leads testing of hypotheses and proposed solutions.
  • Leads efforts to optimize, debug, refactor, and reuse code to improve performance and maintainability, effectiveness, and return on investment (ROI).
  • Identifies best practices and coding patterns and provides deep expertise in the coding and validation strategy.
  • Leads efforts for creation and conducting of experimentation to determine the effectiveness of changes, monitors developments for prototyping and testing products, interprets results, and decides on next steps or ship decision from results.
  • Develop “best-in-class” engineering for our services by ensuring that the services and the components are well-defined and modularized, secure, reliable, diagnosable, actively monitored and reusable.

Other

  • 3 days / week in-office
  • Travel 0-25%
  • Ability to meet Microsoft, customer and/or government security screening requirements are required for this role.
  • This position will be required to pass the Microsoft background and Microsoft Cloud background check upon hire/transfer and every two years thereafter.
  • Gain a working understanding of Microsoft as a business and collaborate with mentors and leaders to contribute to cohesive, end-to-end experiences for our users.