1,248 Results for

Principal Jobs in Seattle, WA

Jobs

Principal Software Engineer / Principal AI Engineer - Commerce Platforms Microsoft

Redmond, WA

$142,800–$274,800 / year

Experience building or leading AI-powered solutions, production AI applications, LLM-enabled experiences, agentic workflows, intelligent automation, applied machine learning capabilities, or AI-assisted engineering practices. You will partner across engineering, product, research, data, security, compliance, and business teams to solve ambiguous technical challenges, deliver durable platform capabilities, and create business-critical impact at global scale.

9 days ago

Principal TPM, Customer 360, Amazon Personalization Amazon.com Services LLC

Seattle, WA

Your mission will be to identify high-impact customer problems that can be uniquely addressed by AI, and to build scalable, reusable AI primitives that accelerate innovation across Amazon's diverse product ecosystem. You'll drive the delivery of AI-powered solutions, working closely with research scientists, engineers, and business units to translate cutting-edge AI capabilities into tangible customer benefits.

30+ days ago

Principal Technology Compliance Program Manager - Vulnerability Management Alaska Airlines

SeaTac, WA

$141,250–$211,900 / year

Alaska Airlines, Hawaiian Airlines & Horizon Air are regulated by the Department of Transportation (DOT – regulations, 49 CFR part 40) and all applicants are advised that post-offer and/or pre-employment drug testing will be conducted to determine the presence of marijuana, cocaine, opioids, phencyclidine (PCP) and amphetamines or a metabolite of these drugs prior to any offer or employment or transfer into a safety-sensitive position. Key Duties: As the lead subject matter expert in technology compliance, ensure the vulnerability management program aligns with regulatory requirements (e.g., PCI-DSS, HIPAA, NIST, ISO 27001) and integrates with other security tools such as SIEM, CMDB, and ticketing systems.

30+ days ago

Principal PMT, FBA IOS Amazon.com Services LLC

Bellevue, WA

5) Lead cross-functional alignment across CPP/Policy Manager, DISCO, Paragon/AHD, Issue Store, AFT/TASC, FBA, and Retail on the action API contract, policy-authoring validation, and evaluation/enforcement grain alignment — transforming fragmented, downstream-owned enforcement into an automated, policy-driven system with zero unauthorized removals. You will drive the strategy and roadmap spanning policy-authoring systems, action APIs, appeal-aware control logic, and the lifecycle-of-record systems that power them — building products that resolve policy intent, seller remediation, appeal state, and removal eligibility upstream, so downstream inventory and removal systems can correctly take execution actions.

30+ days ago

Principal Engineer, Plant Design Integration System One

Bellevue, WA

Remote

$69–$116 / hour
Quick Apply

The ideal candidate will bring a broad nuclear engineering background, strong knowledge of NRC regulations, and the ability to lead cross-functional technical decisions affecting the overall plant design. Responsibilities: Support the development and maintenance of the Reactor Plant architecture and programs, ensuring integration of complex technical areas spanning design, analysis, licensing, and testing.

9 days ago

Principal Software Engineer - AI Safety and Security Microsoft

Redmond, WA

$142,800–$274,800 / year

You will lead through code and ideas: defining detailed architectures, building large-scale data and detection systems, working through security and privacy reviews, and partnering with cross-company leaders, product engineers, applied scientists, threat hunters, and incident responders from early exploration through production operation. Bachelors Degree in Computer Science or related technical field AND 6+ years technical engineering experience, including significant ownership of distributed data, platform, or security products with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.

9 days ago

Principal Product Manager Microsoft

Redmond, WA

$142,800–$274,800 / year

Translate agent needs into platform requirements for recall, latency budgets, and evidence formats, working with the Quality Improvements and Frontier Platform Innovation pillars so that recall-forward retrieval tuned for agents ships as part of the core platform. Significant experience shipping developer-facing platforms, APIs, or SDKs consumed by other engineering teams, including ownership of API design, versioning, and deprecation decisions.

9 days ago

Principal Software Engineer Microsoft

Redmond, WA

$142,800–$274,800 / year

Masters Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelors Degree in Computer Science or related technical field AND 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python. As a Principal Software Engineer, you’ll drive projects from concept to delivery, influence technical decisions across multiple teams, and collaborate with engineering, product, design, and applied science partners.

9 days ago

Principal Software Engineer, Online Ads Systems Microsoft

Redmond, WA

$142,800–$274,800 / year

Builds knowledge, shares new ideas, and shares pinpoints of engineering tool gaps to improve software developer tools to support other programs, tools, and applications to create, debug, and maintain code for product features. Starting January 26, 2026, Microsoft AI (MAI) employees who live within a 50- mile commute of a designated Microsoft office in the U.S. or 25-mile commute of a non-U.S., country-specific location are expected to work from the office at least four days per week.

9 days ago

Principal Product Manager, AI Monetization, Ads & Creatives, Copilot Microsoft

Redmond, WA

$142,800–$274,800 / year

We are hiring for a Principal Product Manager with a proven track record of building AI-driven creative products that help advertisers produce high-quality assets at scale, drive measurable performance, and maintain brand integrity across every format and surface. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year.

9 days ago

Principal Design Verification Engineer Microsoft

Redmond, WA

$142,800–$274,800 / year

Doctorate in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 3+ years technical engineering experience OR Masters Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 6+ years technical engineering experience OR Bachelors Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 8+ years technical engineering experience OR equivalent experience. To achieve this goal, the Artificial Intelligence System on Chip (AISoC) team is instrumental in defining and delivering operational measures of success for hardware manufacturing, improving the planning process, quality, delivery, scale and sustainability related to Microsoft cloud hardware.

9 days ago

Principal Software Engineer - GitHub Platform & Enterprise Microsoft

Redmond, WA

$165,600–$296,400 / year

Champion security across GitHub Actions by designing and implementing isolation mechanisms for untrusted code execution, ensuring compliance with enterprise security requirements, and partnering with Security teams to protect against vulnerabilities in our services. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $220,800 - $331,200 per year.

9 days ago

Principal Project Manager - Telecommunications, Media, and Technology Microsoft

Redmond, WA

$124,500–$214,600 / year

There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $154,500 - $231,700 per year. Drive project initiation and planning for large, complex customer projects by securing delivery resources, assigning them across workstreams, and creating detailed work breakdown structures in alignment with customer plans.

9 days ago

Principal Software Engineering Manager, CoreAI Microsoft

Redmond, WA

$142,800–$274,800 / year

In this role, as a Principal Software Engineering Manager you will lead a team of software engineers and work closely with partner teams of engineers, scientists, and product managers to build the industrys best Responsible AI services. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year.

9 days ago

Principal Technical Program Manager Microsoft

Redmond, WA

$142,800–$274,800 / year

What You Will Do:Lead Global AI Infrastructure Deployment Acceleration:Own the development, training workforce and scaling of a global AI network and infrastructure acceleration operating model spanning Commercial Cloud, new AI regions, new data centers, colo expansions, and large-scale GPU deployments. We are hiring a Principal Technical Program Manager (TPM) to drive design validation and readiness assessment for AI data center network infrastructure, with deep focus on GPU platforms, backend networks, and high-performance fabrics that power large-scale AI training and inference.

9 days ago

Principal Product Manager, Gaming Monetization Microsoft

Redmond, WA

$142,800–$274,800 / year

You will partner closely with XBOX, engineering, design, data science, sales, business planning, finance, studio, and other partner teams to identify the right opportunities, validate them with evidence, and ship products that improve advertiser outcomes, gaming surface value, and player trust. Lead product discovery across players, advertisers, studios, sales teams, and engineering partners to identify high-value monetization opportunities across mobile, console, and PC gaming, and sharpen the why now for each investment.

9 days ago

Principal Technical Product Manager Microsoft

Redmond, WA

$142,800–$274,800 / year

There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year. Citizenship & Citizenship Verification: This role will require access to information that is controlled for export under export control regulations, potentially under the U.S. International Traffic in Arms Regulations or Export Administration Regulations, the EU Dual Use Regulation, and/or other export control regulations.

9 days ago

Principal Silicon Engineer Microsoft

Redmond, WA

$142,800–$274,800 / year

Doctorate in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 5+ years technical engineering experience OR Masters Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 8+ years technical engineering experience OR Bachelors Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 12+ years technical engineering experience OR equivalent experience. Doctorate in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 3+ years technical engineering experience OR Masters Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 6+ years technical engineering experience OR Bachelors Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 8+ years technical engineering experience OR equivalent experience.

9 days ago

Principal Firmware Architect Microsoft

Redmond, WA

$142,800–$274,800 / year

Doctorate in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 3+ years technical engineering experience OR Masters Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 6+ years technical engineering experience OR Bachelors Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 8+ years technical engineering experience OR equivalent experience. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year.

9 days ago

Principal Technical Program Manager - CoreAI Microsoft

Redmond, WA

$142,800–$274,800 / year

Drive Azure compute and accelerator capacity planning, forecasting, and allocation for AI workloads, translating demand signals into staging and implementation plans and partnering with supply and infrastructure teams to secure availability. You will own the execution strategy for Azure capacity management across Foundry Agent Platform, turning demand signals into forecasts, plans, and firm commitments while keeping engineering, product, and infrastructure leaders aligned on timelines and tradeoffs.

9 days ago

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Principal Jobs in Seattle, WA

Principal Software Engineer / Principal AI Engineer - Commerce Platforms Microsoft

Principal TPM, Customer 360, Amazon Personalization Amazon.com Services LLC

Principal Technology Compliance Program Manager - Vulnerability Management Alaska Airlines

Principal PMT, FBA IOS Amazon.com Services LLC

Principal Engineer, Plant Design Integration System One

Principal Software Engineer - AI Safety and Security Microsoft

Principal Product Manager Microsoft

Principal Software Engineer Microsoft

Principal Software Engineer, Online Ads Systems Microsoft

Principal Product Manager, AI Monetization, Ads & Creatives, Copilot Microsoft

Principal Design Verification Engineer Microsoft

Principal Software Engineer - GitHub Platform & Enterprise Microsoft

Principal Project Manager - Telecommunications, Media, and Technology Microsoft

Principal Software Engineering Manager, CoreAI Microsoft

Principal Technical Program Manager Microsoft

Principal Product Manager, Gaming Monetization Microsoft

Principal Technical Product Manager Microsoft

Principal Silicon Engineer Microsoft

Principal Firmware Architect Microsoft

Principal Technical Program Manager - CoreAI Microsoft

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