Principal Software Engineer - CoreAI (Foundry Observability)
MicrosoftPrincipal Software Engineer - CoreAI (Foundry Observability)
MicrosoftLocation
Redmond, WA
Type
Full-time
Posted
9/1/2026
Compensation
$165,600 - $331,200 per year
Job description
The Principal Software Engineer will join the Observability group at Core AI, focusing on developing solutions to monitor and optimize AI agent performance. This role is pivotal in building core services that enhance Observability within Foundry. The team aims to empower developers and enterprises to leverage AI for creating transformative software. The position emphasizes collaboration, innovation, and engineering excellence in a supportive and inclusive environment.
Requirements
- Bachelor'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.
- 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 with a focus on scalability, reliability, security, and performance.
- Drive end-to-end ownership of services, from architecture and implementation through deployment, monitoring, and operational excellence.
- Partner with product, engineering, and cross-functional teams to align technical strategy with business goals and customer needs.
- Engage with customers to gather feedback and resolve complex issues.
- Provide technical leadership across complex initiatives, driving architecture decisions, dependency management, and execution.
- Champion engineering excellence through best practices in system design, testing, security, privacy, compliance, and code quality.
- Drive innovation in observability, automation, deployment safety, and operational efficiency through reusable platforms and frameworks.
- Understand Microsoft businesses and collaborate with stakeholders towards cohesive, end-to-end experiences for Microsoft customers.
- Mentor engineers, lead code reviews and design discussions, and foster a culture of continuous learning and high-quality engineering.
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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