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Principal Software Engineer

United States, Washington, Redmond💼 Full-time🗓 2026-02-13 → 2026-10-05

Core

Designing, building, and shipping robust AI products and complex software systems.

Role type

Principal Software Engineer (AI/Systems)

Builds

AI products, net new software services, and complex system components

Domain

Artificial Intelligence / Enterprise Software

Deliverable

production ML models | product features

Required skills

System design, AI product development, software architecture, technical leadership, risk management, technical writing, stakeholder influence, complex problem solving

Preferred skills

None stated

Technologies

C, C++, C#, Java, JavaScript, Python

Responsibilities

Lead system design and integration with other software systems; navigate business requirements and technical constraints; ensure system reliability, observability, and security; write technical briefs for stakeholders; deliver software on schedule and escalate risks.

Seniority

Principal, hands-on IC with strategic influence (via careerplan.io/jobs/1970393556753761-principal-software-engineer-at-microsoft)