Hiring: Principal Software Engineer Company: Microsoft Location: Redmond, WA Job Posted Time: 2026-09-09 21:46:56 About the job Required Skills: •Lead the architecture, development, and delivery of high-throughput, multi-tenant Tier 0 services, balancing scalability, reliability, security, performance, cost, and maintainability. •Define and drive technical direction for complex distributed systems, anticipating failure modes, cross-service dependencies, capacity constraints, and potential blast radius before implementation. •Design and build secure, extensible, performant, and thoroughly tested software while setting a high engineering-quality bar through hands-on technical leadership. •Establish and scale engineering practices, coding patterns, observability standards, and service-health metrics that improve quality, operational efficiency, and long-term reliability. •Lead complex live-site investigations, mitigation, root-cause analysis, and post-incident improvements using telemetry, logs, experimentation, and other diagnostic methods. •Identify technical risks, dependencies, and unknowns early; communicate their potential impact and drive mitigation strategies that keep engineering efforts moving forward. Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!