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Keywords: Principal Engineer, Location: Washington

Page: 7

Principal Software Engineer, Cloud

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative c...

Posted Date: 15 Jan 2026

Principal Engineer - Pulumi Neo

We're building an autonomous infrastructure engineering agent: think Claude Code, but for your cloud. If you're excited about agentic AI systems that solve impactful problems for engineers, developers, and security experts at innovative sta...

Company: Pulumi
Location: Seattle, WA
Posted Date: 15 Jan 2026

Principal Software Engineer - Directory Platform

Design and develop large-scale distributed software services and solutions. Drive modern software engineering practices through design and code reviews. Perform system design with well-defined interfaces across multiple components, leveragi...

Company: Microsoft
Location: Redmond, WA
Posted Date: 15 Jan 2026

Senior Principal Engineer, Fabric/Cloud

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative c...

Location: Seattle, WA
Posted Date: 15 Jan 2026

Senior Principal Research Engineer

Build multi provider model routing services with policy driven selection, traffic splitting, and observability. Develop evaluation pipelines for offline and online experiments; automate metrics like task success, groundedness, latency, and ...

Company: Microsoft
Location: Redmond, WA
Posted Date: 15 Jan 2026

Principal Software Engineer

Define the vision, strategy, and roadmap for how to evaluate AI features for good fundamentals at scale across Teams. Lead end-to-end science and technical design for evaluating LLM-powered agents on real-time and batch workloads: designing...

Company: Microsoft
Location: Redmond, WA
Posted Date: 15 Jan 2026

Principal Software Engineer - Identity & Governance

Lead design and delivery of complex, scalable features that strengthen identity security and access governance, ensuring resilience and exceptional user experience. Drive technical strategy and architecture decisions across multiple service...

Company: Microsoft
Location: Redmond, WA
Posted Date: 15 Jan 2026

Principal Software Engineer

Design and develop large-scale, distributed systems-including CPU and GPU ranking platforms-to support real-time processing of millions of ad requests per second with high efficiency, extensibility, diagnosability, reliability, and maintain...

Company: Microsoft
Location: Redmond, WA
Posted Date: 15 Jan 2026

Senior Principal Engineer, Networking

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative c...

Location: Seattle, WA
Posted Date: 15 Jan 2026

Principal Software Engineer

You will independently implement high-performance solutions across teams while maintaining a quality checklist. You'll also create and monitor telemetry data and influence analytics to better identify patterns that reveal errors and unexpec...

Company: Microsoft
Location: Redmond, WA
Posted Date: 14 Jan 2026

Principal Software Engineer

Collaborate with internal and customer HR, IT, and Facilities stakeholders to understand business needs and translate them into technical solutions. Architect and implement extensibility features that allow AI agents to interact with enterp...

Company: Microsoft
Location: Redmond, WA
Posted Date: 14 Jan 2026

Principal Software Engineer - Architecture & Design

Developer Experience: Deliver world-class APIs, SDKs, and documentation that empower developers to integrate identity seamlessly into their apps. Design and develop features for large scale distributed software services and solutions. Commu...

Company: Microsoft
Location: Redmond, WA
Posted Date: 11 Jan 2026

Principal Software Engineer

Lead the design and implementation of components across the core platform that supports the Dynamics and Power Platform workload. Leverage AI to reimagine the systems and the processes across the engineering workflow from planning and devel...

Company: Microsoft
Location: Redmond, WA
Posted Date: 11 Jan 2026

Principal Software Engineer

Collaborate closely with data scientists and engineers to architect and develop the auto-bidding platform and associated pipelines. Design the platform to align with evolving advertiser product requirements, ensuring high-quality, timely de...

Company: Microsoft
Location: Redmond, WA
Posted Date: 10 Jan 2026

Principal Security Engineer

Apply AI-driven approaches to vulnerability discovery, threat modeling, and automated defense. Work on high-impact projects spanning Azure, Windows, and Adaptive Cloud. Collaborate with world-class engineers and researchers in an inclusive,...

Company: Microsoft
Location: Redmond, WA
Posted Date: 10 Jan 2026

Principal AI Engineer

​​- Design and ship autonomous agents that can reason, plan, and execute multi-step workflows, integrating with MCP tools, APIs, action registry, and internal data sources. - Build and evolve the evaluations platform (offline evals, golden ...

Company: Microsoft
Location: Redmond, WA
Posted Date: 10 Jan 2026

Principal Software Engineer

Partner across multiple product groups to apply subject-matter expertise in distributed systems design practices, interactions between cloud technology layers and components, basic dependencies at scale, and the code that defines infrastruc...

Company: Microsoft
Location: Redmond, WA
Posted Date: 10 Jan 2026

Principal AI Engineer

Design and develop advanced artificial intelligence (AI) models and agentic systems for real-world applications. Own and drive end-to-end model training, including data pipeline design, distributed training optimization, and performance eva...

Company: Microsoft
Location: Redmond, WA
Posted Date: 10 Jan 2026

Principal Software Engineer - AI Ads

Lead the design, development, and optimization of large-scale shopping ads infrastructure and algorithms. Build and maintain the universal product graph spanning billions of products across multiple languages. Develop scalable systems for d...

Company: Microsoft
Location: Redmond, WA
Posted Date: 09 Jan 2026

Principal Site Reliability Engineer

You will drive strategic improvements in network security, monitoring and troubleshooting across the service and other stakeholders, while prioritizing development and implementation efforts. You will obsess on leveraging metrics and monito...

Company: Microsoft
Location: Redmond, WA
Posted Date: 08 Jan 2026