Mercer Island • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Mercer Island • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Mercer Island • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Mercer Island • 50 milesRemote · Hybrid · Onsite · Field · All Environments
234 senior software testing engineer jobs at 92 companies in Mercer Island, WA
3mo
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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
2w
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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
3w
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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
1w
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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
4mo
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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
5d
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Senior Software Engineer
Seattle, Washington, United States
OnsiteFull Time
Requires strong Java, build and dependency management, software lifecycle, SQL, relational databases, ORM, distributed services, cloud technologies, testing, and version control experience; bachelor's degree or equivalent experience.
Java, Maven, Gradle, Bazel, SQL, ORM, Kubernetes
3w
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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
3d
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Senior Software Engineer
Bellevue, Washington, United States
$149k-$216k/yr OnsiteFull Time
1+ YOEBachelor's degree plus 3 years or master's degree plus 1 year in software engineering; experience with Java, Python, TypeScript, React.js, APIs, databases, testing, CI, and scalable web applications.
GenAI, Wibey, A2A, MCP, DX SDK, REST API, Java, Python, TypeScript, React.js, CSS, SQL, NoSQL
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
3w
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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
6d
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Senior Software Engineer
Bellevue or Washington
$115k-$220k/yr RemoteFull Time
Strong C#, C++, and JavaScript skills; experience with large multithreaded codebases, scalable features, profiling tools, memory management, automated testing, and cross-platform application development.
C#, C++, JavaScript, HTML5, WebGL, WebGPU, WebAssembly, Emscripten, Linux, SDL, Wayland, Vulkan, Unity Editor, CPU profiling tools, GPU profiling tools, I/O profiling tools, memory profiling tools
1w
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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
1mo
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Senior Test Software Engineer - TeraWave
Seattle, Washington, United States
$198k-$277k/yr OnsiteFull Time
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
2mo
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Senior Software Engineer, Backend
Bellevue, Washington, United States
$160k-$210k/yr HybridFull Time
Senior backend engineer experienced with .NET Core (or similar), AWS, building partner integrations, scaling distributed systems, strong ownership, communication, testing focus, and operational excellence.
.NET Core, Java, Kotlin, AWS, RDS, ClickHouse, Datadog, CI/CD, ContextGPT
2mo
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Senior Software Engineer, Quantum Applied Research
Redmond or Santa Clara
$184k-$357k/yr OnsiteFull Time
10+ YOE10+ years building production-grade software with distributed systems and data engineering; working knowledge of quantum computing; experience with Python, C++, Go, APIs, CI/CD, and modern data platforms; strong testing and observability practices.
Python, C++, Go, APIs, CI/CD, CUDA, GPU acceleration
1mo
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Senior Software Engineer, Revenue Recapture
Seattle, Washington, United States
$167k-$230k/yr OnsiteFull Time
Experienced engineer with strong backend Java skills, distributed systems, automation, testing, observability, CI/CD, excellent communication, and ownership mindset.
Java, CI/CD
1mo
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Senior Software Engineer II (TASER Data Science)
Seattle or Scottsdale or Washington
$149k-$238k/yr HybridFull Time
Production-grade Python engineering and ML deployment experience, building data pipelines and analytics, strong software design and testing practices, experience with device telemetry or event streams.
Python, Azure ML, Databricks, Snowflake
1w
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Senior Software Engineer, Sensor - Core Libraries (Hybrid)
Sunnyvale or Redmond
$140k-$215k/yr HybridFull Time
Systems software engineering experience with C and C++, cross-platform Windows/Linux/macOS expertise, strong design, testing, reliability, communication, mentoring, and occasional travel skills.
C, C++, Windows, Linux, macOS
2mo
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Senior Software Engineer
Redmond, Washington, United States
$120k-$235k/yr HybridFull Time
4+ YOEBachelor's in CS or related + 4+ years technical engineering experience (or equivalent). Experience coding in C, C++, Go, or Python. Familiarity with debugging, testing, deployment, on-call support, and AI-assisted development. Ability to pass Microsoft security screening.
C, C++, Go, Python, Chromium, Ninja