Principal Software Engineer - Web Platform
MicrosoftPrincipal Software Engineer - Web Platform
MicrosoftLocation
Redmond, WA
Type
Full-time
Posted
9/16/2026
Compensation
$142,800 - $304,200 per year
Job description
The principal engineer role on the Microsoft AI Experiences - Edge Web Platform team focuses on developing foundational technologies that enhance web and AI-powered computing experiences. This position involves defining and delivering browser technologies and web platform capabilities, collaborating with various stakeholders including standards bodies and open-source communities. The role requires strong systems engineering skills and the ability to drive technical direction across organizational boundaries. The team aims to improve performance, security, accessibility, and user experience for millions of users.
Requirements
- Bachelor's Degree in Computer Science or related technical field AND 6+ years of technical engineering experience with coding in languages including C, C++, and/or Rust OR equivalent experience.
- Ability to meet Microsoft, customer and/or government security screening requirements.
- Master's Degree in Computer Science or related technical field AND 8+ years of technical engineering experience with coding in languages including C, C++, C#, Java, JavaScript, or Python OR Bachelor's Degree in Computer Science or related technical field AND 12+ years of technical engineering experience with coding in languages including 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.
Responsibilities
- 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, focusing 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.
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.
H-1B filing history
Public USCIS petition and DOL LCA counts · latest USCIS FY2026, LCA FY2026
Filing entity: Microsoft Corporation
As of Aug 23, 2026
Initial approvals
503
FY2026
Approval rate
96.0%
FY2026
LCA certified
3,062
FY2026
Entry-level share
5.7%
FY2026
Initial approvals YoY
-64%
Trend
LCA certified YoY
-83%
Trend
Initial approvals by fiscal year
Approval rate by fiscal year
Continuing vs initial approvals
LCA certified positions by quarter
LCA certified positions by fiscal year
Based on public USCIS and DOL filings; not a sponsorship guarantee.
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