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Top Principal Engineer Jobs in Seattle, WA

Reposted 7 Days AgoSaved
Hybrid
Seattle, WA
126K-215K Annually
Senior level
126K-215K Annually
Senior level
Aerospace • Hardware • Information Technology • Security • Software • Cybersecurity • Defense
This role involves systems engineering for avionic systems, including system design, requirements analysis, testing, and customer communication. The engineer collaborates with Boeing and ensures compliance with regulatory standards.
Top Skills: Arp4754AvionicsDo-178B/CDo-254Electronic Control SystemsMatlabMbse
Reposted 8 Days AgoSaved
Easy Apply
Hybrid
Seattle, WA
Easy Apply
Expert/Leader
Expert/Leader
Fintech • Mobile • Software • Financial Services
Lead the technical strategy for developer tools in a financial services company, focusing on AI-enabled development practices. Responsibilities include architectural design, mentorship, and driving innovation in software development.
Top Skills: ArgocdAWSBazelBuildkiteDockerEnvoyGitlabGoGradleIstioJavaKotlinKubernetesPython
Reposted 8 Days AgoSaved
Hybrid
Seattle, WA
230K-281K Annually
Expert/Leader
230K-281K Annually
Expert/Leader
Cloud • Information Technology • Security • Software • Cybersecurity
Lead high-impact initiatives for a product platform, architecting security systems, mentoring engineers, and optimizing distributed infrastructures across teams.
Top Skills: GoPostgresPythonTypescript
Reposted 3 Days AgoSaved
In-Office
Seattle, WA
134K-241K Annually
Senior level
134K-241K Annually
Senior level
Other • Utilities
The Principal Software Engineer leads software development projects, designs software systems, evaluates technology options, mentors engineers, and creates documentation for software solutions.
Top Skills: Big DataMicro ServicesNfvSdnVirtualization
Reposted 3 Days AgoSaved
In-Office
Seattle, WA
115K-208K Annually
Senior level
115K-208K Annually
Senior level
Other • Utilities
The Principal Engineer in Billing Systems Design at T-Mobile leads the design and deployment of technical solutions, enhancing and evolving network systems while optimizing performance and cost efficiency. This role requires significant engineering expertise, innovation, and technical leadership to drive projects and mentor others.
Top Skills: Design DocumentationMonitoring SystemsNetwork SystemsPerformance OptimizationTechnical EngineeringTechnical Writing
Reposted 3 Days AgoSaved
In-Office
Seattle, WA
212K-240K Annually
Senior level
212K-240K Annually
Senior level
Cybersecurity
The role focuses on designing and optimizing backend systems for an AI security platform, leading architecture initiatives, and mentoring engineers.
Top Skills: AWSAzureC++GCPGoJavaKubernetesMlMlopsPython
Reposted 3 Days AgoSaved
In-Office
Seattle, WA
186K-280K Annually
Senior level
186K-280K Annually
Senior level
Cloud • Information Technology • Security • Software
Lead the design and development of secure, scalable software for F5's BIG-IP portfolio, mentoring engineers and driving technical architecture decisions.
Top Skills: Ci/CdGoJavaKubernetesPython
4 Days AgoSaved
In-Office
Seattle, WA
195K-293K Annually
Senior level
195K-293K Annually
Senior level
Cloud
The Principal Engineer will lead AI solutions design and development, mentor engineers, and ensure high-quality backend services and user experiences for AI applications.
Top Skills: AngularAWSAzureGCPGoJavaNode.jsPythonReactVue
Reposted 9 Days AgoSaved
Hybrid
Seattle, WA
235K-414K Annually
Senior level
235K-414K Annually
Senior level
Artificial Intelligence • Cloud • Machine Learning • Mobile • Software • Virtual Reality • App development
The Principal Software Engineer will design and implement systems for the advertiser experiences at Snap, lead technical vision, mentor engineers, and innovate on creator marketplace products.
Top Skills: Distributed SystemsProgrammingSoftware Design
9 Hours AgoSaved
Easy Apply
Remote
Seattle, WA
Easy Apply
Expert/Leader
Expert/Leader
Enterprise Web • Mobile • Professional Services • Software
Looking for a Principal Software Engineer to lead AI-first products, evolve engineering practices, and mentor developers with a focus on Elixir and Python.
Top Skills: AWSElixirGraphQLKotlinPostgresPythonReactSwiftTypescriptWebrtcWebsockets
Reposted 9 Hours AgoSaved
Remote
Seattle, WA
200K-235K Annually
Senior level
200K-235K Annually
Senior level
Artificial Intelligence • Blockchain • Professional Services • Consulting • Cybersecurity • Defense • Generative AI
Lead the Application Security team in performing security assessments, mentoring, and advising clients on complex security issues while advancing AI in security workflows.
Top Skills: AICC++DastGoJavaJavaScriptKotlinMlObjective-CPythonRustSastSwiftTypescript
Reposted 9 Hours AgoSaved
Easy Apply
Remote
Seattle, WA
Easy Apply
186K-258K Annually
Senior level
186K-258K Annually
Senior level
Artificial Intelligence • Fintech • Machine Learning • Social Impact • Software
The Principal Software Engineer, Core Pricing will lead technical excellence, drive system design for loan pricing, and guide collaboration with ML scientists to optimize financial models.
Top Skills: A/B TestingAWSC#C++DockerGrpcJavaKafkaKubernetesPython
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Reposted 9 Hours AgoSaved
Remote or Hybrid
Seattle, WA
193K-297K Annually
Senior level
193K-297K Annually
Senior level
Automotive • Big Data • Information Technology • Robotics • Software • Transportation • Manufacturing
Lead the design and implementation of simulation-based validation strategies for autonomous systems, mentoring engineers and ensuring performance metrics are met.
Top Skills: LlmsMachine LearningProgramming LanguagesSimulation PlatformsVlms
Reposted YesterdaySaved
Easy Apply
Remote or Hybrid
Seattle, WA
Easy Apply
180K-304K Annually
Senior level
180K-304K Annually
Senior level
Artificial Intelligence • Cloud • Information Technology • Machine Learning • Software • Big Data Analytics • Automation
As Principal Product Manager, you'll drive the evolution of PagerDuty's developer platform, focusing on API integration and developer experience, while collaborating closely with engineering and AI teams.
Top Skills: APIsRestful ApisSaaS
Reposted YesterdaySaved
Easy Apply
Remote or Hybrid
Seattle, WA
Easy Apply
300K-400K Annually
Expert/Leader
300K-400K Annually
Expert/Leader
AdTech • Artificial Intelligence • Marketing Tech • Software • Analytics
The Principal AI/ML Engineer will develop machine learning models for campaign optimization in AdTech, collaborating across engineering and product teams to enhance advertising capabilities.
Top Skills: SparkAWSCassandraDockerDynamoDBGoHadoopJavaKafkaKubernetesMySQLPostgresPythonPyTorchRedisTensorFlow
Reposted 2 Days AgoSaved
Remote or Hybrid
Seattle, WA
195K-290K Annually
Expert/Leader
195K-290K Annually
Expert/Leader
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
Lead and develop Agentic AI solutions, mentor team members, collaborate on AI applications, and tackle complex challenges in cybersecurity.
Top Skills: Amazon BedrockGoGoogle Vertex AiJavaMicrosoft Copilot StudioOpen AiPythonScalaServerless Architecture
Reposted 2 Days AgoSaved
Remote
Seattle, WA
276K-374K Annually
Expert/Leader
276K-374K Annually
Expert/Leader
Artificial Intelligence • Cloud • Consumer Web • Productivity • Software • App development • Data Privacy
The Principal Software Engineer will lead the vision and execution for Developer Productivity, enhancing workflows and integrating AI tools to streamline software delivery across Dropbox's multi-product stack.
Top Skills: AICi/CdDistributed SystemsLlms
Reposted 2 Days AgoSaved
Remote
Seattle, WA
249K-336K Annually
Expert/Leader
249K-336K Annually
Expert/Leader
Artificial Intelligence • Cloud • Consumer Web • Productivity • Software • App development • Data Privacy
The Principal Software Engineer will lead technical initiatives, define architecture, prototype ideas, and foster an innovative engineering culture, working cross-functionally to turn visions into execution.
Top Skills: AICloud InfrastructureDistributed Systems DesignFull-Stack EngineeringMl
Reposted 6 Days AgoSaved
In-Office
Seattle, WA
147K-238K Annually
Senior level
147K-238K Annually
Senior level
Cybersecurity
Design and develop robust backend systems for the Prisma AIRS AI security platform, ensuring scalability and reliability while collaborating across teams.
Top Skills: AWSAzureC#C++Ci/CdGCPGitlabGoGrafanaJavaPython
3 Days AgoSaved
Easy Apply
Remote
Seattle, WA
Easy Apply
186K-258K Annually
Expert/Leader
186K-258K Annually
Expert/Leader
Artificial Intelligence • Fintech • Machine Learning • Social Impact • Software
As a Principal Software Engineer, you will lead the development and architecture of Upstart's Core GenAI Platform, ensuring technical excellence and cross-team collaboration while mentoring junior engineers and influencing business strategy.
Top Skills: Cloud-Native ArchitecturesDockerFastapiKotlinKubernetesLangchainLlamaindexOpenai ApisPythonReactSpringTerraformTypescript
Reposted 8 Days AgoSaved
In-Office
Seattle, WA
201K-332K Annually
Expert/Leader
201K-332K Annually
Expert/Leader
eCommerce • Fashion • Mobile • Software
The Sr. Principal Engineer leads the customer identity strategy, designs engaging customer experiences, and oversees architecture for customer data integration across various platforms.
Top Skills: Customer Data PlatformsIdentity ManagementIdentity SolutionsSoftware Engineering
Reposted 4 Days AgoSaved
Easy Apply
Seattle, WA
Easy Apply
15-15 Annually
Expert/Leader
15-15 Annually
Expert/Leader
Cloud • Information Technology
As a Principal Software Engineer - Storage at Wasabi, you'll design and improve storage software, addressing high reliability, security, and scalability in cloud storage services.
Top Skills: AWSAzureC++DockerGoKubernetesLinuxZfs
Reposted 14 Days AgoSaved
In-Office or Remote
Seattle, WA
158K-249K Annually
Senior level
158K-249K Annually
Senior level
Cloud • Information Technology • Productivity • Security • Software • App development • Automation
The Principal Solutions Engineer will lead pre-sales efforts, understand customer needs, provide tailored solutions, and collaborate with sales teams to drive enterprise deals.
Top Skills: Artificial IntelligenceAtlassian ProductsCloud
Reposted 14 Days AgoSaved
In-Office or Remote
Seattle, WA
172K-269K Annually
Expert/Leader
172K-269K Annually
Expert/Leader
Cloud • Information Technology • Productivity • Security • Software • App development • Automation
The Principal Full Stack Software Engineer will lead technical projects, tackle complex problems, mentor junior engineers, and improve architectural standards at Atlassian.
Top Skills: JavaJavaScriptNode.jsReactScala
Reposted 5 Days AgoSaved
Remote or Hybrid
Seattle, WA
150K-200K Annually
Senior level
150K-200K Annually
Senior level
Automotive • Big Data • Insurance • Software • Transportation
Develop and productionize a next-gen Dispatch System, build predictive models, automate processes, and lead a small team in optimizing operations.
Top Skills: AirflowAWSPythonPyTorchSagemakerSQLXgboost
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