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Python Test Software Developer Jobs in Mill Valley, CA, US
360+ python test software developer jobs from 120+ companies hiring in Mill Valley, CA, US.
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Senior Software Engineer - Automation
Novato or Culver City
$109k-$161k/yr OnsiteFull Time
4+ YOE4+ years in software engineering or automation; proficient in at least one compiled language and scripting; CI/CD experience; automated testing; interest in AI tooling.
C#, C++, Go, Rust, Java, Python, Bash, Jenkins, TeamCity, CircleCI, Horde, Unreal Engine, AWS
1mo
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Sr. Product Verification Engineer (Test Automation)
Palo Alto, California, United States
$139k-$191k/yr HybridFull Time
5+ YOE5+ years software testing; Python; .NET; QA testing; travel; BS/MS in CS or related field; strong communication.
Python, .NET, Software Testing Tools
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R&D Engineer (Software)
Redwood City, California, United States
OnsiteFull Time
3+ YOEBS in Computer Science or Electrical Engineering; 3+ years software development in ISO 62304; hardware integration with Python/C++; strong testing and design review experience.
Python, C++, Testing Frameworks, Hardware Integration, Linux
1w
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Senior Software Tester - Test Automation
Santa Clara, California, United States
$86k-$138k/yr HybridFull Time
5+ YOETest automation for API and UI using Python Selenium; US citizen; DoD Secret clearance or ability to obtain; strong analytical and writing skills; able to work in a collaborative team.
Python, Selenium, Azure DevOps, TFS, Visual Studio
3w
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Senior Software Engineer, API Enablement
Columbus or Austin or San Mateo
$164k-$226k/yr RemoteFull Time
4+ YOEBachelor’s degree in CS/Engineering/Mathematics or equivalent + 4 years experience; proficiency in Kotlin/Java/Python/Ruby/TypeScript; strong communication; automated testing; building observable systems.
Kotlin, Java, Python, Ruby, TypeScript, Kafka, gRPC
2mo
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Embedded Software Performance Engineer
Berkeley, California, United States
$140k-$200k/yr OnsiteFull Time
Proficient in modern C++ (C++17) and Python; experienced in multi-threaded applications, performance profiling/optimization, embedded Linux/POSIX, and source control/testing; strong communication.
C++, Python, CUDA/OpenCL, Git, Linux, POSIX, RTOS, Profiling Tools, Embedded Linux
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Staff Software Dev QA Engineer
Sunnyvale, California, United States
$170k-$220k/yr HybridFull Time
8+ YOE8+ years QA testing; networking product validation; automation with Robot Framework; Python; CI/CD; performance/scalability testing tools.
Robot Framework, Python, Pytest, Selenium, JMeter, Avalanche, IXIA, RESTful API automation, CI/CD, Jenkins, Docker, Git, Ansible, Terraform
2w
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Sr. Software QA Engineer (San Jose, California, United States)
San Jose, California, United States
$135k-$155k/yr OnsiteFull Time
8+ YOESenior software QA engineer with 8+ years of QA experience; experience with shell scripting and Python; familiarity with networking/test environments.
Shell scripting, Python, IPMI, Redfish, BIOS
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Senior Software Engineer, Onboard Autonomy
Mountain View, California, United States
OnsiteFull Time
Experience in C++/Rust, on-device autonomy, ROS/ROS2, real-time systems, debugging, and testing.
C++, Rust, Python, ROS, ROS 2, gRPC, DDS, Linux, NVIDIA Jetson, GPU profiling, Debugging tools
2w
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Senior Systems Test Engineer
South San Francisco, California, United States
$142k-$178k/yr HybridFull Time
5+ YOESenior systems test engineer with 5+ years embedded software/firmware testing, HIL automation, CAN, safety standards, and Python/C/C++.
Python, C/C++, CAN, HIL, MATLAB, Simulink, Jenkins, Pytest, TestRail
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Sr. Software Development Engineer in Test (SDET) - Confidential Computing Mgr
Santa Clara, California, United States
HybridFull Time
6+ YOESenior SDET with 6+ years, strong coding in Python/Go/Java/C++, distributed systems, CI/CD, cloud, security, and test framework experience.
Python, Go, Java, C++, AWS, GCP, Azure, Docker, Kubernetes, CI/CD, Security fundamentals
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Intern, Software Engineer - Quality Assurance
San Francisco, California, United States
$45/hr HybridInternship
Currently in final year of Bachelor’s program, or enrolled in a Master’s/PhD in a technical field; proficient in Python, TypeScript, Cypress; frontend/testing experience; problem solving; strong communication.
Python, Typescript, Cypress
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Sr. Product Verification Engineer (Test Automation)
Palo Alto, California, United States
$139k-$191k/yr HybridFull Time
5+ YOEBachelor's in CS with 5+ years experience or Master's in CS with 3+ years; strong Python and .NET; object-oriented programming; software testing; travel flexibility.
Python, .NET, Azure DevOps
1d
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Staff Software Engineer - PHY layer concepts (e.g., SERDES, USB, PCIe, Ethernet) and validation workflows.
Santa Clara, California, United States
$131k-$196k/yr OnsiteFull Time
5+ YOEBachelor’s in CS/EE with 5+ yrs or Master’s in CS/EE with 3 yrs; strong programming skills in Python/C/C++, software design, and test automation; experience with automation frameworks.
Python, C++, C#, Git, CI/CD, Jira, SCPI, VISA, gRPC
1mo
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R&D Test Engineer
Menlo Park, California, United States
$108k-$124k/yr OnsiteFull Time
3+ YOEDesign and execute tests on instrumentation, data acquisition, and signal processing; collaborate across mechanical, electrical, software, and controls domains; strong Python/Matlab skills; 3-5 years of relevant experience.
Python, Matlab, Data Acquisition, Signal Processing
3w
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Senior Software Engineer, AI Voice Agent
San Francisco, California, United States
$150k-$220k/yr HybridFull Time
5+ YOE5+ years production backend experience; Python or TypeScript; real-time systems; experience with LLM/AI in production; event-driven architecture; strong testing, observability, and design skills.
Python, TypeScript, Async programming, LLMs/AI tooling, API design, Datadog, Event-driven architectures, Caching, Messaging queues, Distributed systems, Observability, Testing, Design documentation
1mo
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Software Engineer III
Fremont, California, United States
$125k-$160k/yr OnsiteFull Time
7+ YOEDesign and develop network test automation using Python; automate provisioning and validation of network devices; work with REST APIs, Docker, and microservices; 7+ years experience; BS/MS in CS/CE/EE; proficient in Python.
Python, REST APIs, Docker, Microservices
2mo
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Senior Software Engineer
San Francisco, California, United States
$189k-$260k/yr OnsiteFull Time
Senior software development engineer with proficiency in major languages, strong database fundamentals, production-grade data-intensive systems, CI/CD, testing, and collaboration.
Java, C++, C#, Python, SQL
3w
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SQA Test Automation Internship
Santa Clara, California, United States
$23-$28/hr OnsiteInternship
Pursuing/recent degree in CS/CE/EE or related field; programming in C# or Python; knowledge of software testing, test automation, CI/CD; experience with Git; strong problem-solving and communication.
Git, Selenium, pytest, NUnit, Robot Framework, Jenkins, Azure DevOps, GitHub Actions, CI/CD
2mo
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Robotics Systems Test Engineer
Redwood City, California, United States
$100k-$135k/yr OnsiteFull Time
3+ YOE3+ years experience in Software Quality Assurance; BS or higher in robotics/engineering; experience testing distributed/embedded systems; travel to customer sites (<10%).
Python, C++, Embedded Systems, Robotics Testing
3w
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Staff - Principal Engineer, Software Engineer – Network Switch SDK QA
San Jose, California, United States
$210k-$265k/yr OnsiteFull Time
8+ YOE8+ years in software QA or validation for networking SDKs or embedded systems; strong networking knowledge; C/C++ API testing; Python automation; HAL and SDKs.
C, C++, Python, Linux, HAL, SAI, DPDK, P4, Automation
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Software Engineer, Infrastructure
Sunnyvale, California, United States
OnsiteFull Time
8+ YOE8+ years engineering experience; 4+ years in infrastructure; BS/MS/PhD in CS; AWS, Kubernetes, Python, Postgres, Terraform/AWS CDK; security testing experience a plus.
AWS, Kubernetes, Python, PostgreSQL, Terraform, AWS CDK
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Software Engineer II, BMS Testing
Berkeley, California, United States
$112k-$147k/yr OnsiteFull Time
3+ YOE3+ years Python experience; 1+ years C/C++/Rust/Go in software/firmware; embedded protocols CAN, SPI, I2C, UART; read hardware schematics; test-focused mindset.
Python, C, C++, Rust, Go, CAN, SPI, I2C, UART
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AI Product Testing Engineer
San Francisco, California, United States
$120k-$200k/yr HybridFull Time
Bachelor's in CS/EE/CE; Python; backend/API testing; AI/software testing; Docker/Kubernetes; strong problem-solving and communication.
Python, Docker, Kubernetes, REST, gRPC, CI/CD, Go, C/C++, Node.js, Typescript, PyTorch, HuggingFace
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Sr. Staff SDET, Agentic AI
Santa Clara, California, United States
$119k-$243k/yr OnsiteFull Time
10+ YOE10+ years in SDET, test automation, or software development; strong OO language skills; cloud experience; Docker/Kubernetes; CI/CD; cybersecurity familiarity; AI/ML testing a plus.
Python, Java, Scala, Docker, Kubernetes, AWS, Google Cloud, Azure, GitHub Actions, GitLab CI, Jenkins, LLM, Retrieval Augmented Generation, SQL, Data Warehousing
2mo
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Automation Hardware & Software Integration Engineer
San Francisco, California, United States
$135k-$160k/yr OnsiteFull Time
4+ YOEDesign, integrate, and validate hardware and software for robotic systems; develop automated tests; collaborate with mechanical, electrical, and software teams; strong debugging and scripting.
Java, Python, EtherCAT, CAN, I2C, SPI, UART, Git, CI/CD, Test automation, Hardware-in-the-loop
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QA Software Engineer
San Francisco, California, United States
$130k-$170k/yr RemoteFull Time
4+ YOE4+ years QA experience; API testing tools; test automation frameworks; programming for test automation; CI/CD; Jira/Allure; strong problem-solving and communication.
Postman, RestAssured, SoapUI, Selenium, Cypress, PyTest, Playwright, Go, Rust, JavaScript, Python, K6, JMeter, Gatling, Jira, Allure, Pact, Docker, Kubernetes
2mo
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Senior/Principal Software Engineer - Growth (CoreAI)
Mountain View or San Francisco or Redmond or New York or Boston
$120k-$235k/yr HybridFull Time
4+ YOESoftware engineering role requiring 4+ years experience; proficiency in multiple languages; strong in building, shipping, and operating production services; experience with A/B testing and experimentation.
C, C++, C#, Java, JavaScript, Python
2mo
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Software QA Engineer
Palo Alto, California, United States
$131k-$145k/yr HybridFull Time
3+ YOE3+ years QA experience with web/mobile apps; hardware testing; end-to-end UX focus; cross-functional collaboration; cloud/SaaS; SQL/scripting; test automation ownership.
SQL, Python, Shell, Test Automation, Cloud Platforms, SaaS, Data Analysis, Visualization Tools
1mo
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Software Engineering - ODSP
Santa Clara or Westlake Village
$155k-$232k/yr OnsiteFull Time
10+ YOE2+ Mgmt10+ years embedded C/C++ firmware development; SW Team Lead experience; architecture and testing leadership; DSP/embedded SoC knowledge; strong English communication; experience with revision control and defect tracking.
C, C++, Python, Git, Linux, Makefiles, GDB, IDEs, bash, Verilog
1mo
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Sr. SDET Automation Engineer
Santa Clara or Bellevue
$140k-$165k/yr HybridFull Time
5+ YOE5+ years SDET experience; automated and manual testing; strong test automation for software/hardware; UI/API/CI/CD; programming in C#, C++, Python.
Appium, Selenium, Playwright, Postman, REST Assured, C#, C++, Python, CI/CD
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Senior MTS, Cloud Test
Santa Clara, California, United States
$148k-$175k/yr HybridFull Time
3+ YOE3+ years in software quality engineering/test engineering; solid networking fundamentals; proficiency in Python or Go; cloud experience; Linux proficiency.
Python, Go, iperf, GitHub Copilot, LLM-based assistants, Docker, Kubernetes, Jenkins, GitHub Actions
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AI Engineer, Developer Ecosystem
San Francisco or United States
HybridFull Time
Ship production-grade agents; deep MCP/tool-calling fluency; built plugins/skills; design evals and benchmarks; sandboxes for testing; context optimization; read/apply AI research; TypeScript and/or Python.
TypeScript, Python
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Senior Developer (Palo Alto, CA, US, 94304)
Palo Alto, California, United States
$146k-$222k/yr HybridFull Time
4+ YOEBachelor's or foreign equiv in CS/Software Eng or related field; 4-6 years progressive experience. Java, Shell Script, Python; building microservices with Java/Spring Boot; collaboration with PM/UX/QA; design, implement, test features.
Java, Shell Script, Python, Spring Boot, J2EE
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Senior Fullstack Engineer, Care Delivery
San Francisco or Palo Alto
$170k-$220k/yr HybridFull Time
Midi Health: Healthcare focused on midlife women's care.
6+ YOE6+ years in full-stack development; expert in Django/Python and React; experience building operational/workflow systems; ownership mindset; automated testing, CI, code quality; mentoring experience.
Django, Python, React
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Senior Machine Learning Engineer, AI Platform
San Francisco or New York
$160k-$235k/yr HybridFull Time
5+ YOE5+ years in software engineering/ML; experience building ranking/recommendation systems at scale; Python; ML frameworks; model deployment/observability; vector/graph databases; observability and A/B testing.
Python, PyTorch, Scikit-learn, vector databases, graph databases, OCR
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Lead QA Engineer
San Francisco, California, United States
$160k-$185k/yr HybridFull Time
8+ YOE8+ years of test automation experience; Bachelor's degree in Computer Science or related field (or equivalent); experience with Java, JavaScript, Python; CI/CD; API testing; SQL; distributed systems; strong communication.
Java, JavaScript, Python, SQL, REST, CI/CD, Web services, Test frameworks
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QA Automation Engineer
San Francisco, California, United States
$130k-$150k/yr HybridFull Time
Senior QA Automation Engineer with UI, API testing, and CI/CD experience; Selenium/Playwright; Python/Java; AWS; TestRail/Zephyr familiarity.
Selenium, Playwright, Python, Java, Postman, REST Assured, Jenkins, GitHub Actions, GitLab CI, AWS, TestRail, Zephyr, JMeter, Gatling
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Senior Fullstack Engineer, Care Delivery
San Francisco or Palo Alto
$170k-$220k/yr HybridFull Time
6+ YOE6+ years of experience; expert in Django/Python and React.js; experience with operational/workflow systems; proactive ownership; automation/testing; mentoring; collaborative mindset.
Django, Python, React
1d
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Agent Engineer
San Francisco, California, United States
OnsiteFull Time
Software engineer with hands-on experience in AI-agent features, prompt/tool chains, or agentic systems; strong background in LLMs and agent frameworks; strong reliability and speed focus; experienced with evaluation, A/B testing, and end-to-end ownership.
Python, TypeScript, LLMs, Vector databases, Agent frameworks
HiringCafe market data
Python Test Software Developer Jobs market signals in Mill Valley, CA, US
These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.
Open jobs
360+
Hiring companies
120+
Fresh sample
30% new in 30d
Salary visibility
86% show pay
Companies appearing in this market
SAP2K VegasMarvellMidi HealthSiemens HealthineersAffinityAircallArcade
Work location mix in visible results
Hybrid: 22Onsite: 20Remote: 2