Principal Software Engineer - Web Platform
- Location
- Redmond, WA · On-site
- Job type
- Full-time
- Level
- Lead / Staff
- Experience
- 6+ years
- Education
- Bachelor's degree
- Listed
- 29 days ago
Skills & highlights for this role
- C++
- Rust
- browser or runtime systems
- web standards
- performance-critical systems design
Also useful
- C
- accessibility
- security
About the role
Set technical direction and drive high-quality architecture and API design across Edge, Chromium, and the broader web ecosystem. Deliver foundational web platform innovations grounded in customer, developer, and ecosystem needs, with a focus on correctness, performance, security, accessibility, and compatibility. Contribute directly to Chromium in areas that benefit Chromium-based browsers and the broader web community.
Partner with standards bodies, open-source communities, browser vendors, and internal teams to advance interoperable web capabilities. Provide technical leadership and mentorship, raising the bar for engineering quality, design, and cross-team execution on complex and ambiguous problems.
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++ and/or Rust OR equivalent experience.
These requirements include but are not limited to the following specialized security screenings: 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.
Experience contributing to large-scale software engineering projects. Experience designing or implementing browser, runtime, operating-system, or other performance-critical systems. Experience with the Chromium codebase and web standards, or with comparable browser or runtime systems. Demonstrated technical leadership across teams or organizations on complex, cross-cutting initiatives.
Strong design, coding, debugging, and performance-analysis skills in C++ or a comparable systems-programming language.
From Microsoft's careers page, first listed on Rolev.ai on October 11, 2026. Rolev.ai is not the employer.
How Rolev.ai helps with this application
Rolev.ai is a job search and application tool for US job seekers. For this Principal Software Engineer - Web Platform role at Microsoft, it shows how your resume fits, tailors your resume to the posting, and prepares the application for you to review.
See how you fit
Openings from employer career sites are ranked against your whole resume—and searchable inside Claude, ChatGPT, and Cursor via Rolev.ai MCP.
Tailor without inventing
Every change to your resume is checked against your original. New experience goes in only with your yes—zero fabricated claims.
Draft the full kit
Tailored and Full Match resumes, role-specific cover letters, and answers to employer screening questions are prepared in seconds.
1-Click Extension Autofill
The Chrome extension fills the employer's Greenhouse, Workday, Lever, or Ashby form in 1 click. You review it and press Submit.
Similar roles
All Software Developer jobs- Software DeveloperAccenture Federal Services · Washington, DC · $97.5k – $115k/yr
- Software Developer 803Freedom Technology Solutions Group · Annapolis Junction, MD · $150k – $200k/yr
- Software DeveloperPurvis Systems · Newport, RI
- NASA Human Spaceflight Artificial Intelligence (AI) Software Engineer and Data ScientistCACI · Houston, TX
- Senior Manager Software EngineeringNasdaq · Atlanta, GA
- Software Engineering Supervisor - Test SystemsMoog · Torrance, CA
Common questions
Where is the Principal Software Engineer - Web Platform job at Microsoft located?
This Principal Software Engineer - Web Platform position at Microsoft is located in Redmond, WA (On-site). Always check Microsoft's application page for specific state eligibility or relocation policies.
What qualifications are required for Principal Software Engineer - Web Platform at Microsoft?
For the Principal Software Engineer - Web Platform role, Microsoft highlights 6+ years of relevant experience; a bachelor's degree; experience with C++, Rust, browser or runtime systems, web standards, performance-critical systems design. Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.
How do I apply for the Principal Software Engineer - Web Platform position at Microsoft?
This listing links directly to Microsoft's application page. You can apply directly on Microsoft's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.