JobsPrincipal/Senior Software Engineer, Experimentation Platform - CoreAI
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Principal/Senior Software Engineer, Experimentation Platform - CoreAI

Microsoft

Location

Redmond, WA, Mountain View, CA, New York, NY

Type

Full-time

Posted

6/30/2026

Compensation

$119,800 - $261,000 per year

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

Job description

The role is focused on developing critical components for Microsoft's high-scale experimentation platform, which supports AI-driven applications. You will work within the CoreAI team to enhance experimentation capabilities, enabling teams to evaluate and deploy innovations effectively. This position emphasizes building reliable infrastructure and mentoring engineers while driving technical excellence in distributed systems. You will also be responsible for ensuring system architecture meets performance and scalability requirements.

Requirements

  • Bachelor's Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python 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 6+ 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 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.

Responsibilities

  • Independently leverage AI tools and practices across the software development lifecycle, taking responsibility for AI-generated assets and coaching team members.
  • Lead by example to produce extensible, maintainable, well-tested, secure, and performant code.
  • Own and drive the architecture and design of product components, ensuring system architecture meets performance, scalability, resiliency, and disaster recovery requirements.
  • Collaborate with partner teams, PMs, and subject matter experts to determine customer requirements and deliver scalable, reliable features.
  • Drive engineering excellence through automation, tooling improvements, security best practices, and deployment infrastructure.
  • Maintain operations of live site services on a rotational on-call basis and implement solutions to complex live-site issues.

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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