CareerPlanSign in

Principal Software Engineer

United States, Washington, Redmond💼 Full-time🗓 2026-08-06 → 2026-09-26

Core

Designs, implements, and maintains reliable, scalable, high-performance distributed systems and services with a focus on security, reliability, and cost management.

Role type

Principal Software Engineer (System Architecture & Infrastructure)

Builds

Large-scale distributed services, cloud infrastructure, and security-compliant systems

Domain

Cloud computing, distributed systems, security engineering

Deliverable

production ML models | product features | infrastructure

Required skills

Distributed systems design, Cloud computing, System architecture, Performance optimization, Scalability engineering, Security engineering, Root cause analysis, Service reliability, Cost management, Cross-team leadership

Preferred skills

None stated

Technologies

None stated

Responsibilities

Implement reliable, scalable, and high-performance solutions; Own implementation and rollback plans; Quantify and ensure service health and compliance; Identify security issues and develop mitigation strategies; Troubleshoot system issues and conduct root cause analyses; Adjust configurations to improve availability, reliability, efficiency, and performance; Contribute to service design with awareness of cost and scalability; Participate in collaborative reviews and share learnings across teams.

Seniority

Principal, hands-on IC with strategic influence

Sourced via microsoft · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.