285 senior software testing engineer jobs at 119 companies in Washington
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Senior Electrical Engineer - Software (Brooklyn, NY, US)
Brooklyn or Ambler or Los Angeles or Seattle
$150k-$170k/yr OnsiteFull Time
10+ YOESenior rail vehicle electrical software engineer; 10+ years in software engineering and software QA; BS/MS in Electrical/Computer Engineering; strong communication skills; EIT/PE desirable.
IEEE standards, Software Quality Assurance, Software testing, Rail vehicle software, System integration
1w
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Senior Software Testing and Quality Engineer II
Kirkland, Washington, United States
$128k-$134k/yr HybridFull Time
7+ YOERequires 7+ years of software testing experience, test framework development, programming proficiency, Git, distributed application testing, analytical and debugging skills; Azure, CI/CD, Docker, Kubernetes, and GitHub experience are valued.
Microsoft Azure, CI/CD, Git, Docker, Kubernetes, GitHub, GitHub Actions, GitHub Copilot
2w
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(USA) Senior, Software Engineer
Bellevue or Sunnyvale
$108k-$216k/yr OnsiteFull Time
3+ YOEBachelor's degree in a computing field plus 3 years of software engineering experience, or 5 years of software engineering experience; AI/ML, CI/CD, testing, and scalable design experience.
CI/CD, automated testing, observability, Web Content Accessibility Guidelines (WCAG) 2.2 AA
3d
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Senior Software Engineer
Menlo Park or New York City or Bellevue or Washington or Denver or Westlake or Chicago or Lake Mary or Clearwater or Gainesville
HybridFull Time
5+ YOERequires 5+ years of software engineering experience, strong Python or Go coding skills, distributed systems expertise, and experience with load testing, fault injection, chaos engineering, or developer infrastructure.
Python, Go, Kubernetes, CI/CD
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Senior Software Engineer
Liberty Lake, Washington, United States
$110k-$140k/yr HybridFull Time
5+ YOEBachelor's degree in CS or related, 5+ years software engineering experience, expertise in Java or C#, strong OOP and test-first practices, experience with AI development tools, and excellent communication.
Java, Spring, React, TypeScript, MySQL, CrateDB, Git, IntelliJ, GitHub Copilot, LLM-based assistants, Jira, C#
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Senior Software Engineer, Mobile (iOS), Core
Kirkland or Seattle
$174k-$252k/yr OnsiteFull Time
5+ YOEBachelor's degree or equivalent practical experience; 5 years in C++ and 5 years in Objective-C/Swift; 3 years in testing/launching software; 3 years in iOS development; strong problem solving and leadership potential.
C++, Objective-C, Swift, iOS, Software testing, Software design, Architecture
1w
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Senior Software Engineer
Portland or North Dakota or Montana or Maine or Ohio or Nebraska or Phoenix or Louisiana or Texas or Nevada or Georgia or Tampa or Mississippi or Colorado or Denver or Wyoming or Wisconsin or West Virginia or Vermont or Richardson or Arkansas or Dallas or South Dakota or Pennsylvania or Michigan or Indiana or Idaho or Arizona or Plano or New Mexico or New Hampshire or Kentucky or Alabama or Philadelphia or South Carolina or Austin or Illinois or Atlanta or Missouri or Iowa or Tennessee or Boulder or North Carolina or Minnesota or Kansas or Houston or Alaska or Chicago or Rhode Island or Washington or Virginia or Utah or Oregon or Florida or Miami or Oklahoma
$139k-$204k/yr RemoteFull Time
5+ YOEBachelor's degree with 5+ years, master's with 3+ years, or PhD with 1+ year; production software development, testing, troubleshooting, code reviews, technical design, scalability, reliability, and security experience.
AI/ML, generative AI, LLMs, AI agents
2w
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Senior Systems Software Engineer
Seattle or United States
$102k-$210k/yr OnsiteFull Time
3+ YOERequires 3–5+ years of software engineering experience developing systems software, automating hardware provisioning, debugging across firmware and hardware layers, and improving testing, observability, and reliability.
API, DevOps, CI/CD
2mo
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Senior Software Engineer
San Francisco or Miami or Atlanta or Salt Lake City or Phoenix or Washington D.C. or Los Angeles or Seattle or Chicago or Boston or Austin or New York City
$153k-$205k/yr RemoteFull Time
6+ YOE6+ years professional software development with Java and Go; bachelor’s in CS or equivalent; led small technical teams; experience with payment systems, RESTful APIs, cloud services, and SQL; strong system design, testing, and communication skills.
Java, Go, AWS, Google Cloud, Microsoft Azure, SQL, NoSQL, RESTful API
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Senior Software Engineer
United States or Arizona or California or Colorado or District of Columbia or Florida or Georgia or Iowa or Illinois or Massachusetts or Maryland or Michigan or Minnesota or Montana or Nebraska or North Carolina or New Hampshire or New Jersey or Nevada or New York or Ohio or Oregon or Pennsylvania or Rhode Island or Tennessee or Texas or Utah or Washington
$170k-$195k/yr RemoteFull Time
4+ YOE4+ years software engineering experience; strong Node.js and/or Go; familiarity with Vue.js, relational DBs, Redis, queue systems, Terraform/CloudFormation, testing, observability, and production ownership.
Node.js, Go, Vue.js, AWS, SQS, Lambda, Postgres, MySQL, SQL Server, Redis, Kafka, Kinesis, Terraform, CloudFormation
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Senior Software Engineer, Assurance
United States or California or New York or Washington or Colorado
$172k-$224k/yr RemoteFull Time
6+ YOE6+ years software engineering/SDET experience; hands-on with agentic model harnesses, test automation (Playwright/Appium/Cypress), GitLab CI/CD; skilled in Ruby, JavaScript, Shell/Bash, Python; strong communication and cross-functional collaboration.
Claude, Microsoft Visual Studio Code, GitLab, GitLab CI/CD, Datadog, Slack, Playwright, Appium, Cypress, Ruby, JavaScript, Shell, Bash, Python, AWS, Terraform
2mo
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Senior Software Engineer
United States or Connecticut or South Carolina or Pennsylvania or New Hampshire or Hawaii or California or Alaska or Washington or Oregon or Texas or Alabama or Mississippi or Tennessee or Illinois or Wisconsin or Louisiana or Arkansas or Missouri or Iowa or Minnesota or Oklahoma or Kansas or Nebraska or South Dakota or North Dakota or Colorado or Wyoming or Idaho or Montana or Utah or Vermont or North Carolina or Massachusetts or Georgia or Rhode Island or New York or Maryland or Delaware or Virginia or Ohio or New Jersey or Maine
$148k-$185k/yr RemoteFull Time
Worksoft: Automation platform for enterprise business process testing and discovery.
10+ YOEBachelor's in CS/Engineering or 15+ years related experience; 10+ years Windows OO development; strong C#/.NET skills; WinForms/WPF experience; problem-solving, troubleshooting, and customer-facing communication skills; familiarity with CI/CD and test automation preferred.
C#, .NET, .NET Framework, VB.NET, C++, Win32, WinForms, WPF, SQL, Web Services, WCF, COM, SAML, OAuth, Machine Learning, Deep Learning, OCR, Image Processing, SAP GUI, WebExtensions, Java, Oracle Forms, Mainframe, Acrobat, Email, UIA, MSAA, Applitools, SoapUI, Postman, Perfecto, Microsoft Office, Silverlight, macOS, Cocoa, Swift, Xcode, Mono, Xamarin, MAUI, Jenkins, Groovy, Bash, Z Shell, Batch, PowerShell, NANT, MSBuild, Git
2w
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(USA) Senior, Software Engineer
Bellevue or Sunnyvale
$108k-$234k/yr OnsiteFull Time
3+ YOEBachelor's degree plus 3 years of software engineering experience, or 5 years of experience. Requires scalable software design, AI/ML integration, CI/CD, testing, debugging, and cross-functional collaboration.
CI/CD, AI/ML, Web Content Accessibility Guidelines (WCAG) 2.2 AA
5d
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Senior Software Engineer, XR
Washington or California or United States
$115k-$220k/yr RemoteFull Time
Experience delivering scalable software, AR/VR/XR platforms, strong C++ and C# skills, profiling and debugging, 3D math, Agile development, automated testing, and external partner collaboration.
C++, C#, OpenXR, Android, Windows, Agile
1mo
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Senior Software Engineer, Growth
Canada or United States or Seattle or Paris
$161k-$261k/yr RemoteFull Time
6+ YOE6+ years software engineering experience, bachelor's or equivalent experience, strong JavaScript/TypeScript and React skills, backend experience with Go or Python, A/B testing and feature flag implementation, familiarity with analytics and data warehouse tooling.
React, JavaScript, TypeScript, Go, Python, Adobe Target, Unleash, Looker, Snowflake, Redshift
1mo
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Senior Software Engineer
Seattle, Washington, United States
$176k-$196k/yr OnsiteFull Time
7+ YOE7+ years building high-performance microservices; BS in CS or equivalent; strong Go/Java and Python/NodeJS skills; experience with gRPC/Thrift, Kafka, AWS, and cloud-native testing/monitoring.
Go, Java, Python, NodeJS, gRPC, Thrift, Kafka, AWS, AWS Connect, Twilio, Sinch, Amazon Pinpoint, LangChain, LlamaIndex, AutoGen, OpenAI, Anthropic, AWS Bedrock
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Senior Test Software Engineer - TeraWave
Seattle, Washington, United States
$198k-$277k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
8+ YOEBachelor's in electrical/aerospace engineering,8+ years electrical test or avionics integration experience,ability to lead test campaigns,hands-on RF and electrical test equipment experience,US work authorization required.
oscilloscopes, multi-meters, signal generators, spectrum analyzers, data acquisition systems, GPS/GNSS simulators
2w
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Senior Software Engineer, Adopt
San Francisco or New York City or Seattle
$170k-$230k/yr HybridFull Time
5+ YOERequires 5+ years building high-scale backend applications, extensive Python experience, endpoint and database optimization skills, automated testing advocacy, and engineering best-practice knowledge.
Python, Django, PostgreSQL, Redis, Celery, AmazonMQ, Terraform, AWS
5d
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Senior Software Engineer
Seattle, Washington, United States
$158k-$233k/yr HybridFull Time
8+ YOEComputer science degree or equivalent experience; 8+ years building scalable C#/.NET or Java APIs; object-oriented design, API integration, automated testing, and Agile Scrum experience.
C#, .NET, Java, GraphQL, NoSQL, Microsoft Azure, Azure DevOps, Docker, Kubernetes, REST, gRPC, Git, Scrum, CI/CD
4d
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Software Engineer
Bengaluru or San Francisco or Seattle or Ireland
HybridFull Time
5+ YOERequires 5+ years of backend or platform software engineering experience, backend programming expertise, database and API experience, testing, version control, CI/CD, and distributed systems knowledge.
Java, C#, Go, TypeScript, Node.js, SQL, NoSQL, Kubernetes, Docker, Spark, Flink, Kafka
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