1,073 Results for

Principal Engineer Jobs in International, WA

Jobs

PRINCIPAL / STAFF BACKEND ENGINEER — DISTRIBUTED SYSTEMS Widenet Consulting

Seattle, Washington

Strong candidates for this track have built the data layer at search companies, content platforms, data infrastructure businesses, or SaaS products where managing large volumes of complex documents is core to the product. The core technical challenge is building systems that stay fast, fair, and predictable regardless of how much variance exists across customer workloads — and doing so without a dedicated SRE or platform team to hand things off to.

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.

13 days ago

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.

15 days ago

Principal Engineer, Seismic CSA Integration and Oversight System One

Bellevue, WA

Remote

$69–$115 / hour
Quick Apply

Perform technical reviews of work products, including seismic analysis, soil-structure interaction (SSI) analysis, and probabilistic assessments. Support the development of plant level requirements and strategies related to seismic design and licensing activities for advanced nuclear reactor projects.

13 days ago

Principal Hardware Engineer, DC/DC Power Microsoft

Redmond, WA

$142,800–$274,800 / year

Doctorate in Electrical Engineering, Computer Engineering, or related field AND 3+ years technical engineering experience OR Masters Degree in Electrical Engineering, Computer Engineering, or related field AND 6+ years technical engineering experience. To achieve this goal, the CHSE (Cloud Hardware Systems Engineering) 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.

15 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.

15 days ago

Principal Silicon Engineer - System Modeling 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. To achieve this goal, the Interface IP Team 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.

15 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.

15 days ago

Principal Subsystem Design Engineer Microsoft

Redmond, WA

$142,800–$274,800 / year

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. Drive design implementation, including microarchitecture specification, RTL development and integration using Verilog/SystemVerilog, synthesis, timing constraints, floor-planning considerations, performance optimization, and design-quality closure including CDC, lint, and RDC.

15 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.

15 days ago

Principal Software Engineer Microsoft

Redmond, WA

$142,800–$274,800 / year

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 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. More broadly, OCTO leads investments in emerging technical bets, provides technical insights, and drives high-priority company-wide AI initiatives, while partnering closely with engineering, research, and product teams.

15 days ago

Principal Software Engineer - Growth (CoreAI) Microsoft

Redmond, WA

$165,600–$296,400 / year

At this level, impact comes from building repeatable systems and raising the engineering bar: better experiment quality, better telemetry, safer rollouts, and clearer business outcomes — delivered through pragmatic execution and deep technical judgment. 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.

15 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.

15 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.

15 days ago

Principal Optical Engineer Microsoft

Redmond, WA

$142,800–$274,800 / year

Doctorate Degree in Electrical Engineering, Optical Engineering, Mechanical Engineering, or related field AND 6+ years of technical engineering experience OR Masters Degree in Electrical Engineering, Optical Engineering, Mechanical Engineering, or related field AND 8+ years of technical engineering experience OR Bachelors Degree in Electrical Engineering, Optical Engineering, Mechanical Engineering, or related field AND 12+ years of technical engineering experience OR equivalent experience. Masters Degree in Electrical Engineering, Computer Engineering, Mechanical Engineering, or related field AND 7+ years technical engineering experience OR Bachelors Degree in Electrical Engineering, Computer Engineering, Mechanical Engineering, or related field AND 8+ years technical engineering experience OR equivalent experience.

15 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 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 Software Engineer - CoreAI 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#, Python, or Java 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. Proactively improves troubleshooting guides (TSGs), wikis, tests, and telemetry to make on-call better, and recommends user-facing support documentation and additional test coverage to reduce likelihood of future user-initiated incidents.

15 days ago

Principal Software Engineer, Foundry Agents - CoreAI Microsoft

Redmond, WA

$142,800–$274,800 / year

Within CoreAI, the Foundry Agents organization is responsible for key ownership areas across the end‑to‑end agent lifecycle: (a) Foundry Agents platform to deploy and run agents securely at enterprise scale with seamless integration with governed tools, (b) model fine‑tuning to train and improve agentic performance, and (c) Foundry observability to generate insights from agentic traces and continuously evaluate and optimize agents. Masters 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 OR Bachelors Degree in Computer Science or related technical field AND 15+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.

15 days ago

Senior/Principal Software Engineer - Growth (CoreAI) Microsoft

Redmond, WA

$119,800–$234,700 / 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 $160,200 - $261,000 per year. CoreAI – Platform and Tools is Microsoft’s AI‑first engineering organization, created to build the end‑to‑end Copilot & AI stack powering products like GitHub Copilot and Visual Studio Code.

15 days ago

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Principal Engineer Jobs in International, WA

PRINCIPAL / STAFF BACKEND ENGINEER — DISTRIBUTED SYSTEMS Widenet Consulting

Principal Engineer, Plant Design Integration System One

Principal Software Engineer / Principal AI Engineer - Commerce Platforms Microsoft

Principal Engineer, Seismic CSA Integration and Oversight System One

Principal Hardware Engineer, DC/DC Power Microsoft

Principal Design Verification Engineer Microsoft

Principal Silicon Engineer - System Modeling Microsoft

Principal Silicon Engineer Microsoft

Principal Subsystem Design Engineer Microsoft

Principal Software Engineer - GitHub Platform & Enterprise Microsoft

Principal Software Engineer Microsoft

Principal Software Engineer - Growth (CoreAI) Microsoft

Principal Software Engineer - AI Safety and Security Microsoft

Principal Software Engineer, Online Ads Systems Microsoft

Principal Optical Engineer Microsoft

Principal PMT, FBA IOS Amazon.com Services LLC

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

Principal Software Engineer - CoreAI Microsoft

Principal Software Engineer, Foundry Agents - CoreAI Microsoft

Senior/Principal Software Engineer - Growth (CoreAI) Microsoft

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