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258 senior software testing engineer jobs at 157 companies in Napa, CA

3mo
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Senior Software Engineer, Backend
San Francisco, California, United States
$191k-$263k/yr HybridFull Time
Plaid
Plaid: Provides financial data connectivity and payment infrastructure via APIs.
5+ YOE5+ years in software engineering; backend focus; MySQL or relational DB; microservices; strong coding, testing, and design; leadership and mentorship.
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1w
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Software Engineer - Testing Frameworks
San Francisco or Toronto or New York or Montreal
$165k-$330k/yr HybridFull Time
Baseten
Baseten: Scalable infrastructure platform for deploying and serving AI models.
Strong Go and/or Python skills; experience building testing frameworks, distributed-system integration infrastructure, load testing, Kubernetes, Docker, and scalable CI/CD.
Go, Python, pytest, testify, testcontainers, k6, Locust, Vegeta, JMeter, Gatling, Kubernetes, Docker, CI/CD
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3mo
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Senior Software Engineer
San Francisco or United States
$100k-$144k/yr RemoteFull Time
Resource Innovations
Resource Innovations: Provides clean energy services and software solutions for utilities.
10+ YOEExpert PHP (8.x) with 10+ years in PHP frameworks; RESTful APIs; Laravel; 6+ years Vue.js; TypeScript; SPA design; state management; Git; AWS; SaaS architecture; agile teamwork; testing with Pest/PHPUnit.
PHP, Laravel, Vue.js, TypeScript, JavaScript, REST API, Git, AWS, Pest, PHPUnit, NPM, Vite, Tailwind CSS, Cloudwatch, New Relic
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2w
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Staff Software Engineer, Collision Avoidance Testing
Mountain View or San Francisco
$251k-$310k/yr HybridFull Time
Waymo
Waymo: Autonomous driving technology for ride-hailing and logistics.
10+ YOEBachelor's degree in computer science or related field, 10+ years of software engineering experience, strong C++ and Python skills, and expertise in scalable software architectures, APIs, technical leadership, and mentoring.
C++, Python
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Senior Software Engineer - Test
San Francisco, California, United States
HybridFull Time
Amplitude
AmplitudeNASDAQ: AMPL: Digital analytics platform for understanding and optimizing customer behavior.
Software engineering test position with no specific qualifications stated.
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Senior Embedded Software Engineer
Emeryville, California, United States
$170k-$210k/yr OnsiteFull Time
unspun
unspun: Developing 3D weaving technology for sustainable, on-demand apparel manufacturing.
5+ YOE5+ years embedded software development; strong C++ fundamentals; RTOS/Linux experience; OTA updates; field deployment; test infrastructure; BS/MS in CS/CE or related field or equivalent experience.
C++, Linux, RTOS, FreeRTOS, GDB, LLDB, OTA updates, Telemetry, Diagnostics, Unit testing
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Senior Software Engineer
Berkeley, California, United States
$175k-$190k/yr OnsiteFull Time
Copper
Copper: Manufacturing battery-integrated induction stoves for simple home electrification.
Professional software development experience; cloud systems, distributed systems, data pipelines, TypeScript or Python, React, SQL, automated testing, reliability, and cross-functional communication.
AWS, TypeScript, Python, React, SQL, React Native, Agile, Scrum, C, C++, protobufs, RPC
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Senior Software Engineer
South San Francisco, California, United States
OnsiteFull Time
Zipline
Zipline: Operates an autonomous drone delivery system for medical supplies.
5+ YOE5+ years building simulation, testing, or safety-validation software; proficiency in C++, Rust, or C; experience with simulation systems and validation methodologies; tooling/platform development experience.
C++, Rust, C, Python, Kubernetes, AWS, MATLAB, Simulink
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2w
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Senior Software Engineer, Growth
San Francisco, California, United States
$196k-$220k/yr OnsiteFull Time
Discord
Discord: A platform providing voice, video, and text communication services.
5+ YOE5+ years software engineering experience; strong TypeScript and React skills; practical Python and Flask experience; experience with A/B testing; full‑stack ownership and data‑driven decision making.
TypeScript, React, Python, Flask
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Senior Software Engineer
San Francisco, California, United States
$157k-$196k/yr HybridFull Time
Nuna
Nuna: Provides data analytics and software for value-based healthcare solutions.
5+ YOE5+ years building and shipping production software; strong backend, API, testing, deployment, and observability skills; clear communicator; interest in healthcare; comfortable with ambiguity and end-to-end ownership.
Kotlin, TypeScript, React, Flutter, AI/LLM
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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
Circle
CircleNYSE: CRCL: Digital currency issuer and blockchain financial infrastructure provider.
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/Staff Software Engineer, Developer Experience
London or Toronto or San Francisco or New York City or Montreal or Paris or Seoul or Germany or Canada or United States
RemoteFull Time
Cohere
Cohere: Provides enterprise-grade large language models and AI software platforms.
5+ YOE5+ years software engineering with automation/testing infra focus; expert Python and TypeScript; GitHub Actions/workflows; CI/CD, Docker, Kubernetes; cloud (AWS/GCP/Azure); benchmarking and performance testing experience.
Python, TypeScript, GitHub workflows, GitHub Actions, Helm charts, ArgoCD, Docker, Kubernetes, Terraform, Pulumi, AWS, GCP, Azure
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Senior Software Engineer, Auto
Columbus or Austin or San Francisco or New York City or United States or Canada
$167k-$231k/yr RemoteFull Time
Upstart
UpstartNasdaq: UPST: AI-powered lending marketplace for consumer and automotive loans.
4+ YOE4+ years software engineering experience; experience designing, building, testing, and deploying production software; experience with customer-facing product features and cross-functional collaboration; bachelor's degree in CS/Engineering/Math or equivalent experience.
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2w
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Senior Software Engineer
San Francisco, California, United States
$175k-$200k/yr OnsiteFull Time
HireArt
HireArt: A platform for companies to source, employ, and manage contract workers.
8+ YOE8+ years Ruby on Rails experience, owning large product features end-to-end, strong automated testing practices, collaboration with product, and clear communication; experience with React, PostgreSQL, and modern CI/CD.
Ruby on Rails, React, Stimulus, Turbo, PostgreSQL, Redis, Heroku, GitHub Actions, Copilot, Claude
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1w
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Senior Software Engineer - Android
United States or San Francisco or Los Angeles or Chicago or Dallas or New York City or London
$165k-$250k/yr RemoteFull Time
Nextdoor
NextdoorNYSE: NXDR: Hyperlocal social networking platform for neighborhood communication and services.
5+ YOE5+ years of engineering experience or advanced domain expertise; strong Android development skills, testing experience, mentoring ability, and familiarity with Kotlin, networking, UI architecture, and modularization.
Kotlin, Jetpack Compose, GraphQL, Claude, Gemini, ChatGPT, Glean, JUnit, MockK, Roborazzi, OkHttp, Retrofit, Apollo GraphQL, MVI, Coroutines, Mavericks, Gradle, Metro, Android
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2w
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Senior Software Engineer, Adopt
San Francisco or New York City or Seattle
$170k-$230k/yr HybridFull Time
Scribe
Scribe: Automatically documents digital workflows into step-by-step process guides.
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
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1w
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Senior Software Engineer - Metadata
Oakland or Ontario
OnsiteFull Time
Fivetran
Fivetran: Automates data movement into cloud data warehouses.
5+ years in software engineering, backend or systems development, distributed systems, cloud platforms, containerization, testing, design, code review, and troubleshooting; proficiency in a modern backend language required.
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1mo
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(USA) Senior, Software Engineer
Sunnyvale or San Bruno
$117k-$234k/yr OnsiteFull Time
Walmart
WalmartNYSE: WMT: Operates a chain of hypermarkets, discount stores, and grocery stores.
3+ YOEBachelor's degree and 3 years of software engineering experience, or 5 years of experience. Requires Swift, ReactJS, NodeJS, Java or Kotlin, mobile apps, APIs, testing, and CI/CD.
Swift, ReactJS, NodeJS, Java, Kotlin, RESTful API, GraphQL, Figma, Charles, Postman, App Store, Google Play, CI/CD, WCAG 2.2 AA
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Senior Software Engineer
San Francisco, California, United States
$180k-$215k/yr OnsiteFull Time
HeartFlow
HeartFlowNASDAQ: HTFL: Provides AI-driven non-invasive cardiac diagnostic software and analysis.
8+ YOEBachelor’s degree or equivalent experience and 8+ years of relevant experience. Requires Python, healthcare interoperability, EHR integration, FHIR, HL7, data modeling, cloud systems, REST APIs, architecture, testing, and mentoring.
Python, Domain-Driven Design (DDD), Electronic Health Record (EHR), FHIR, HL7, REST, AWS, Microsoft?, HIPAA
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Senior Software Engineer
San Francisco, California, United States
RemoteFull Time
PolySwarm
PolySwarm: Decentralized marketplace for threat detection and malware intelligence.
5+ YOE5+ years building microservices (Python, Rust) in cloud architectures, strong architecture/design skills, Docker/Kubernetes experience, proficiency with debugging/testing tools, English proficiency, ability to work remotely and collaborate.
AWS, Google Cloud, Azure, Kubernetes, Docker, Docker Compose, Django, Flask, SQLAlchemy, Python, Rust, Node.js, TypeScript, Redis, PostgreSQL, RabbitMQ, Elasticsearch, Kafka, Kibana, NGINX, GitHub, GitLab CI, Linux, Wine, C, C++, Blockchain, Ethereum
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