JobsPrincipal Software Engineer - AI Experiences, Copilot Engineering
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Principal Software Engineer - AI Experiences, Copilot Engineering

Microsoft

Location

Mountain View, CA, Redmond, WA

Type

Full-time

Posted

9/30/2026

Compensation

$142,800 - $331,200 per year

Undergraduate with 5+ Years of Experience
H-1B FY202696.0% approval-64% YoY
👑 Elite sponsor

Job description

As a Principal Software Engineer on the AI Experiences, Copilot Engineering team at Microsoft, you will work at the intersection of distributed systems, AI, and agent-driven development. The team focuses on building systems that enhance everyday computing experiences through AI. You will be involved in designing intelligent prompts, engineering robust backends, and developing native Copilot platform features. This role emphasizes collaboration and innovation to empower users in their workflows.

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.
  • Master'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.
  • Bachelor's Degree in Computer Science or related technical field AND 15+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python, or equivalent experience.
  • Extensive hands-on experience using modern AI coding agents, with a track record of acting as a team expert for AI-assisted development workflows.
  • Experience driving adoption of agentic coding tools to improve engineering velocity and code quality.

Responsibilities

  • Design and develop next generation products and features for Copilot experiences on Windows, Mac, and mobile.
  • Design and develop secure and performant platform services that support Copilot experiences on Windows, Mac, and mobile.
  • Work collaboratively with platform, infrastructure, application engineers, and researchers to build next generation AI products and services.
  • Ship high-quality, well-tested, secure, and maintainable code.
  • Overcome obstacles to deliver work quickly and iteratively to users.
  • Enjoy working in a fast-paced, design-driven, product development cycle.

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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