1,801 Results for

Principal Software Engineer Jobs in Washington

Jobs

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.

20 days ago

Senior Software Engineer - CoreAI Microsoft

Redmond, WA

$119,800–$234,700 / year

We’re looking for a Senior Software Engineer - CoreAI with a track record of cross-team partnership, effective communication with engineering, executive leadership and sales, the ability to translate product questions into targeted data science investigations, and the ability to independently identify/execute/automate insightful analysis that improves Microsoft’s developer-focused AI suite and drives product growth. 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.

20 days ago

Senior Software Engineer/ Principal Software Engineer - Copilot CLI Microsoft Corp

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 $160,200.00 - $261,000.00 per 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 $188,000.00 - $304,200.00 per year.

30+ 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.

23 days ago

Sr Principal Software Engineer- VPC JPMorgan Chase & Co

Seattle, WA

As a Senior Principal Software Engineer at JPMorganChase within the VPC Network organization, you provide deep engineering expertise and work across agile teams to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way. Leverage your deep expertise to consistently challenge the status quo, innovate for business impact, lead the strategic development behind new and existing products and technology portfolios, and remain at the forefront of industry trends, best practices, and technological advances.

30+ days ago

Principal Software Engineer (AI/ML Architect-Engineer) UKG Inc

Seattle, WA

$163,900–$270,882 / year

AI Methodologies: In-depth knowledge of generative AI methodologies, including transformer models, diffusion models, GANs, large language models, and multi-modal architectures. Cross-Functional Collaboration: Work closely with executive leadership, product management, data science, and engineering teams to establish and prioritize GenAI initiatives.

30+ days ago

Principal Engineer, Specialized Software Google LLC

Seattle, WA

As a Principal Software Engineer, Applied AI, Office of the CTO, Google Cloud, you will create and reinforce the human pathways between Google Engineering and our most strategic customers and partners, allowing all of us to start from loosely defined, potentially transformative market opportunities and convert them into new, technology-enabled businesses. You will help our customers create their future and help us create the future of Google by continuously tuning our innovation system and products to the needs of the world's most complex enterprises.

30+ days ago

Principal Software Engineer Nordstrom Inc.

Seattle, WA

$191,000–$297,000 / year

Set technical direction and strategy across the Inventory Technology portfolio, serving as the domain's technical authority to peer engineering organizations (Supply Chain, Merchandising, Data Science) and enterprise business stakeholders. Our platform provides a real-time, unified representation of inventory state, enabling stores, fulfillment centers, and enterprise stakeholders to make informed decisions about stock availability, movement, and allocation.

30+ days ago

Senior / Lead / Principal Software Engineer - Foundations Team (Infrastructure/Platform) Salesforce Inc

Seattle, WA

$148,500–$313,700 / year

We operate with the pace of a startup backed by the scale and stability of a global enterprise - with true end-to-end ownership across architecture, implementation, deployment, and continuous improvement. Infrastructure Management: Plan and execute timely infrastructure upgrades and changes using infrastructure-as-code to enable faster execution, improved scale, and increased cost efficiency.

30+ days ago

Senior Principal Software Engineer IS - Cloud Engineering, Hybrid Providence Health & Services

Washington, WA

Requsition ID: 462405 Company: Providence Jobs Job Category: Development/Engineering Job Function: Information Technology Job Schedule: Full time Job Shift: Day Career Track: Business Professional Department: 4011 SS IS ESI CLOUD HOSTING Address: WA Redmond 17425 NE Union Hill Rd Work Location: Redmond Junction At Bear Creek Workplace Type: Hybrid Pay Range: $See Posting - $See Posting The amounts listed are the base pay range; additional compensation may be available for this role, such as shift differentials, standby/on-call, overtime, premiums, extra shift incentives, or bonus opportunities. Providence Shared Services is a service line within Providence that provides a variety of functional and system support services for our family of organizations across Alaska, California, Montana, New Mexico, Oregon, Texas and Washington.

18 days ago

Senior Principal Software Engineer IS - Cloud Engineering, Hybrid Providence St. Joseph Health

Redmond, WA

The Senior Principal Software Engineer takes end-to-end ownership for development and quality of solutions and services that delight caregivers and add strategic value to Providence St. Joseph Health. Together, our 120,000 caregivers (all employees) serve in over 50 hospitals, over 1,000 clinics and a full range of health and social services across Alaska, California, Montana, New Mexico, Oregon, Texas and Washington.

18 days ago

Senior and/or Principal Software Engineer - AI Infrastructure Microsoft Corp

Redmond, WA

$119,800–$234,700 / year

Preferred/Additional Qualifications: 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 OR equivalent experience. We seek highly innovative experienced engineers to take the path ahead for services to support machine learning solutions, work on highly distributed platforms with 24x7x365 service availability and tight SLA and build comprehensive and intuitive end-end solutions to delight our customers.

5 days ago

Principal Software Engineer – .NET, AWS & AI Thomson Reuters

Columbia, Washington

Finally, Thomson Reuters offers the following additional benefits: optional hospital, accident and sickness insurance paid 100% by the employee; optional life and AD&D insurance paid 100% by the employee; Flexible Spending and Health Savings Accounts; fitness reimbursement; access to Employee Assistance Program; Group Legal Identity Theft Protection benefit paid 100% by employee; access to 529 Plan; commuter benefits; Adoption & Surrogacy Assistance; Tuition Reimbursement; and access to Employee Stock Purchase Plan. Thomson Reuters is seeking a hands-on Principal Software Engineer with deep, recent C#/.NET Core and AWS experience building large-scale distributed systems and cloud-native platforms , along with experience applying AI/ML, Generative AI, large language models (LLMs), retrieval-augmented generation (RAG), or agentic AI capabilities in production environments.

17 days ago

Senior Principal Software Engineer, Ads Quality Snapchat

Bellevue, WA

$334,000–$500,000 / year

10+ years of post-Bachelor's software development experience; or a Master's degree in a technical field and 10+ years of post-graduate software development experience; or a PhD in a related technical field and 7+ years of post-graduate software development experience. The Company operates Snapchat, a visual messaging app that enhances your relationships with friends, family, and the world, and Specs Inc., a wholly-owned subsidiary dedicated to making computing more human, in addition to Bitmoji, Saturn, and other digital services.

11 days ago

Principal Software Engineer Platform Team Space Exploration Technologies Corp

Redmond, WA

$200,000–$285,000 / year

BASIC QUALIFICATIONS: Bachelor's degree in computer science, computer engineering, or other engineering discipline and 7+ years of professional experience building and scaling production platforms; OR 9+ years of professional experience building and scaling production platforms in lieu of a degree. This team creates secure, scalable gateways and proxy systems that allow engineers and operators across the company to write code faster, perform advanced data analysis, connect AI to their daily tools and problems, and turn ideas into deployed solutions with confidence.

30+ days ago

Senior Principal Software Engineer Atlassian

Seattle, Washington

$243,900–$318,425 / year

Experience with Kafka or comparable event-streaming technologies, Kubernetes, stream-processing systems such as Flink, distributed databases (TiDB is a plus), analytical data platforms, data lakehouse technologies, multi-cloud migrations, or internal developer platforms is beneficial but not required. Success in this role means creating a coherent technical direction across teams, delivering reusable platform capabilities rather than isolated solutions, and turning complex multi-cloud, reliability, and customer requirements into architectures and execution plans that teams can successfully deliver.

10 days ago

Principal Software Engineer - High Performance Computing JPMorgan Chase & Co

Seattle, WA

Architects and governs agentic AI-enabled engineering workflows (using enterprise-authorized tools within the work environment) to improve delivery speed, code quality, and operational outcomes at scale (e.g., AI-driven PR review assistance, test generation/maintenance, release readiness checks, incident triage and root-cause acceleration), while defining guardrails for validation, security, resiliency, and reuse across teams. Strong understanding of responsible AI use and control expectations in engineering workflows, including security/resiliency implications, data sensitivity, and risk-based governance; ability to influence senior technical leaders on safe scaling patterns and reuse.

30+ days ago

Principal Software Engineer | Data Science ExtraHop Networks

Seattle, WA

By decrypting and analyzing complete packet-level data at wire speed and leveraging cloud-scale machine learning, ExtraHop empowers Security Operations Centers (SOCs) to detect, investigate, and remediate modern cyber risks in real time across their entire hybrid infrastructure, including data center, cloud, and SASE environments. You will operate with significant autonomy, influence engineering direction across teams, and mentor engineers at multiple levels while delivering software that addresses the most sophisticated challenges in network security.

30+ days ago

Principal Software Engineer - AI Foundations JPMorgan Chase & Co

Seattle, WA

Architects and governs agentic AI-enabled engineering workflows (using enterprise-authorized tools within the work environment) to improve delivery speed, code quality, and operational outcomes at scale (e.g., AI-driven PR review assistance, test generation/maintenance, release readiness checks, incident triage and root-cause acceleration), while defining guardrails for validation, security, resiliency, and reuse across teams. As a Principal Software Engineer at JPMorganChase within the Chief Data and Analytics Office (CDAO), you provide expertise and engineering excellence as an integral part of an agile team to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way.

30+ days ago

Principal Software Engineer JPMorgan Chase & Co

Seattle, WA

Architects and governs agentic AI-enabled engineering workflows (using enterprise-authorized tools within the work environment) to improve delivery speed, code quality, and operational outcomes at scale (e.g., AI-driven PR review assistance, test generation/maintenance, release readiness checks, incident triage and root-cause acceleration), while defining guardrails for validation, security, resiliency, and reuse across teams. As a Principal Software Engineer at JPMorganChase within the CDAO AI/ML Data Platforms Team, you provide deep engineering expertise and work across agile teams to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way.

25 days ago

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Principal Software Engineer Jobs in Washington

Principal Software Engineer - CoreAI Microsoft

Senior Software Engineer - CoreAI Microsoft

Senior Software Engineer/ Principal Software Engineer - Copilot CLI Microsoft Corp

Principal Software Engineer / Principal AI Engineer - Commerce Platforms Microsoft

Sr Principal Software Engineer- VPC JPMorgan Chase & Co

Principal Software Engineer (AI/ML Architect-Engineer) UKG Inc

Principal Engineer, Specialized Software Google LLC

Principal Software Engineer Nordstrom Inc.

Senior / Lead / Principal Software Engineer - Foundations Team (Infrastructure/Platform) Salesforce Inc

Senior Principal Software Engineer IS - Cloud Engineering, Hybrid Providence Health & Services

Senior Principal Software Engineer IS - Cloud Engineering, Hybrid Providence St. Joseph Health

Senior and/or Principal Software Engineer - AI Infrastructure Microsoft Corp

Principal Software Engineer – .NET, AWS & AI Thomson Reuters

Senior Principal Software Engineer, Ads Quality Snapchat

Principal Software Engineer Platform Team Space Exploration Technologies Corp

Senior Principal Software Engineer Atlassian

Principal Software Engineer - High Performance Computing JPMorgan Chase & Co

Principal Software Engineer | Data Science ExtraHop Networks

Principal Software Engineer - AI Foundations JPMorgan Chase & Co

Principal Software Engineer JPMorgan Chase & Co

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