JobsPrincipal Software Engineer - CoreAI Foundry Observability
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Principal Software Engineer - CoreAI Foundry Observability

Microsoft

Location

Redmond, WA

Type

Full-time

Posted

9/1/2026

Compensation

$142,800 - $331,200 per year

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

Job description

The Principal Software Engineer will join the Observability group at Core AI, which focuses on developing solutions to monitor and optimize AI agent performance. This role involves leading the design and delivery of large-scale AI services and platforms, ensuring they are scalable, reliable, and secure. The engineer will work closely with product and engineering teams to align technical strategies with business goals. Additionally, the position emphasizes mentoring engineers and fostering a culture of continuous learning.

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++, C#, Java, JavaScript, or Python.
  • Ability to meet Microsoft, customer and/or government security screening requirements.

Responsibilities

  • Lead the design, development, and delivery of large-scale AI services and platforms.
  • Drive end-to-end ownership of services from architecture to operational excellence.
  • Partner with product, engineering, and cross-functional teams to align technical strategy with business goals.
  • Engage with customers to gather feedback and resolve complex issues.
  • Provide technical leadership across complex initiatives, driving architecture decisions and execution.
  • Champion engineering excellence through best practices in system design and code quality.
  • Drive innovation in observability, automation, and operational efficiency.
  • Mentor engineers and foster a culture of continuous learning.

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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