JobsPrincipal Software Engineer
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Principal Software Engineer

Microsoft

Location

Redmond, WA

Type

Full-time

Posted

5/12/2026

Compensation

$139,900 - $304,200 per year

Undergraduate with 5+ Years of Experience
Approval 98.4%·Filings 6,363·New hires 3,142·
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·FY 2025

Job description

The Principal Software Engineer will join the Web Data Platform Team, focusing on scaling the web crawler service that supports Microsoft's search and recommendation scenarios. This role involves building a distributed system that processes tens of billions of URLs daily while ensuring minimal load on web servers. The engineer will lead architectural discussions and develop solutions that leverage machine learning models for effective resource usage. The position emphasizes collaboration, innovation, and adherence to Microsoft's mission of empowering individuals and organizations.

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.
  • 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.
  • 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.

Responsibilities

  • Collaborate with and guide stakeholders to confirm requirements for products or solutions.
  • Lead architectural discussions and own the architecture.
  • Create and test architectural proposals and develop detailed design specifications.
  • Develop a clear testing strategy to ensure quality and prevent regression in the product.
  • Identify dependencies and incorporate them into design documentation.
  • Produce extensible, maintainable, well-tested, secure, and performant code adhering to design specifications.
  • Use various tools like debugging, testing, logging, telemetry, and AI to verify assumptions and improve product quality.
  • Review code and test code to ensure they meet team standards, have proper test coverage, and are appropriate for the product.

Benefits

  • Employees at Microsoft are often offered comprehensive, “world-class” benefits—including health and mental-wellness programs, competitive pay with bonuses and stock awards, and retirement/savings options. Time-off and flexibility are common, with generous vacation and holidays, parental and caregiver leave, and flexible work schedules, alongside learning support, employee resource groups, product discounts, and matching-gifts/volunteering programs. Specific benefits can vary by region.

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