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Python Test Software Developer Jobs in California, United States
720+ python test software developer jobs from 320+ companies hiring in California, United States.
1mo
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Staff Software Engineer in Test
United States
$101k-$204k/yr RemoteFull Time
8+ YOE8+ years leading testing software engineering teams; 5+ years Java/Python; API/UI/performance testing; 3+ years automation frameworks; 1+ years AI in testing; Bachelor's in CS/CE/IS or related.
Selenium, TestNG, JUnit, Appium, Docker, Kubernetes, Jenkins, GitHub, Postman
2mo
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Software Development Engineer in Test (SDET)
United States
RemoteFull Time
5+ YOE5+ years in software testing or SDET; strong Python; experience building automated test frameworks; on-prem/air-gapped deployments; Linux, networking, Docker/Kubernetes; CI/CD; multi-OS/hardware; strong debugging.
Python, Docker, Kubernetes, Linux, CI/CD
1mo
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88-50100558 Software Development Engineer in Test
Santa Clara, California, United States
$172k-$214k/yr HybridFull Time
2+ YOEBachelor's in CS/Biomedical Eng or related field and 2 years in software testing/engineering; experience with Python, PyTest, JavaScript; test automation, CI/CD; performance testing; data analysis.
Python, PyTest, JavaScript
1mo
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Software Engineer in Test - Infrastructure
Redwood City or San Francisco
$145k-$215k/yr HybridFull Time
3+ YOE3-5 years experience in scaling test frameworks/infrastructure; proficiency in TypeScript and/or Python; experience with CI/CD systems (CircleCI, Buildkite); ability to work in ambiguous environments; systems mindset; uses AI-assisted development tools.
TypeScript, Python, CI/CD, CircleCI, Buildkite
3w
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Principal Python Engineer
United States
RemoteFull Time
Senior Python engineer; design/own backend services, APIs; strong unit testing; DevOps practices; AI-enabled development.
Python, FastAPI, Temporal, Postgres, Docker, Kubernetes, Pulumi, Vue.js, SQL, Unit testing, CI/CD
2w
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Software Test Engineer
Santa Clara, California, United States
$201k-$249k/yr OnsiteFull Time
5+ YOEBachelor's in CS/Engineering with 5+ years of Software Test/QA experience; experience testing Layer 3 protocols (IPv4/IPv6/IPSec), SSL, NGFW, IDS/IPS, URL filtering; Python automation; traffic generators (IXIA, Spirent).
Python, IXIA, Spirent, SSL, NGFW, IDS/IPS, URL Filtering
1mo
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Software Engineer, Test & Automation (Starlink Mobile)
Sunnyvale, California, United States
$135k-$185k/yr OnsiteFull Time
Bachelor's degree in CS/engineering or 4+ years software development; Linux, Python, Git; willingness to work long hours; experience with test automation and hardware-in-the-loop is a plus.
Python, Linux, Git, Gitlab, Bazel, Docker, Kubernetes
3w
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Software Test & Automation Engineer, Avionics & Spacecraft
San Jose, California, United States
$130k-$170k/yr OnsiteFull Time
3+ YOEDevelop, sustain, and improve automated test frameworks and data pipelines for avionics hardware and spacecraft.
Python, SCPI, SPI, I2C, UART, CAN, Ethernet, Linux, Git, LabVIEW, TestStand, NumPy, Pandas, MATLAB, CI/CD, DAQ
1w
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Software Development Engineer in Test- SDET - hybrid
Santa Clara, California, United States
$130k-$161k/yr HybridFull Time
3+ YOE3–5 years in SDET/backend QA or software engineering with a testing focus; strong backend/API testing (REST, GraphQL); test automation (JUnit, Playwright); programming in Java, Python, or Go; CI/CD; distributed/cloud-based systems.
Java, Python, Go, REST, GraphQL, Playwright, JUnit, CI/CD
1w
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Embedded Software Test Engineer
El Segundo, California, United States
$87k-$150k/yr OnsiteFull Time
3+ YOEBachelor’s in a STEM field; 3+ years in related roles; Python and C/C++ experience; embedded systems and space systems knowledge; ability to obtain security clearance; candidates for Senior role also considered.
Python, C/C++, Embedded systems, Linux, Software-in-the-loop, Hardware-in-the-loop, CI/CD, JIRA, Bitbucket, Confluence
1w
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Software Engineer- Test Infrastructure
Milpitas, California, United States
$153k-$219k/yr HybridFull Time
Bachelor's degree in CS/CE/EE or related field; networking fundamentals; Python scripting; Linux experience; test documentation and execution.
Python, Linux, pyATS, CI/CD tools, Jenkins, GitLab CI, GitHub Actions, IXIA, Spirent, TRex, LLMs, prompt engineering
1w
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Embedded Software Engineer / Tech lead, Onboard Test Automation
Sunnyvale, California, United States
$210k-$267k/yr HybridFull Time
Experience testing embedded software on Linux or QNX; strong Python/C++ skills for test automation; work with embedded hardware; debugging across system layers; knowledge of automation and CI/CD.
Python, C++, Linux, QNX, HiL, Buildkite
2w
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Software Test Engineer III
Burlingame, California, United States
$149k-$195k/yr OnsiteFull Time
7+ YOEBachelor's degree in CS/Engineering; 7+ years in test engineering; Python proficiency; experience building test frameworks and automation; software-hardware integration expertise.
Python, Test Automation, Software-Hardware integration tools
3w
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Software Development Engineer in Test II
United States
$95k-$171k/yr RemoteFull Time
2+ YOE2+ years experience; Bachelor's in Computer Science or related field; Python test automation; Full Stack development; experience with Juniper or Cisco routers; BGP and IP routing knowledge.
Python, Full Stack development, Juniper routers, Cisco routers, BGP, IP networking
3w
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Staff Software Engineer in Test, PAM
San Francisco, California, United States
$174k-$240k/yr HybridFull Time
5+ YOE5+ years QE, 3+ years QA for enterprise software; 5+ years Python/Java automation; experience with Selenium, TestCafe, Postman, JMeter, Locust, Splunk, AWS, Kubernetes; strong test planning and distributed systems skills.
Selenium, TestCafe, Postman, JMeter, Locust, Splunk, AWS, Kubernetes, Python, Java
2w
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Intern, Software Development Engineer in Test
San Francisco, California, United States
OnsiteInternship, Full Time
Hands-on test strategy, test planning, design, and execution for functional, integration, and PSR testing; experience with robustness testing tools like JMeter; Python and/or Java; cloud test environments (GCP, AWS); agile team experience.
Python, Java, JMeter, Google Cloud Platform, Amazon Web Services
1w
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Senior Software Development Engineer in Test (SDET)
San Francisco, California, United States
$130k-$150k/yr HybridAll Commitments Available
5+ YOE5+ years of automation testing experience; proficient in Python and TypeScript; API and UI testing; Pytest/Playwright; CI/CD; Docker; cloud platforms; GitHub Actions; automation framework development.
Python, TypeScript, Pytest, Playwright, Docker, GitHub Actions, Locust, MongoDB, SQL, JSON
2w
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Lead Software Development Engineer in Test (SDET)
United States
$125k-$145k/yr RemoteFull Time
5+ YOE5-7 years in software development and testing with automation; Java/C#/Python/JavaScript; experience with test automation tools; knowledge of life insurance domain preferred; Bachelor’s in CS/Engineering.
Tosca Commander, Selenium, JUnit, TestNG, Jenkins, GitLab CI, Azure DevOps, SQL
2mo
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High Side Technology - Software Test Automation Engineer
San Diego, California, United States
OnsiteFull Time
Experience in test automation; proficiency in Java, JavaScript, Python, HTML/CSS; Git/GitLab; Docker and AWS; PostgreSQL; IntelliJ; load testing; top secret SCI eligibility; strong communication.
Java, JavaScript, Python, HTML, CSS, Git, GitLab, Docker, AWS, PostgreSQL, IntelliJ, Locust, Postman, Swagger, Playwright, Selenium, Eggplant
1mo
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Software Engineer in Test (SET)
Chatsworth, California, United States
$140k-$165k/yr OnsiteFull Time
Bachelor’s degree in Engineering or Computer Science; experience in test automation, CI/CD, and production release processes; strong problem-solving and communication skills.
TypeScript, React, Next.js, Python, Azure GCC High
2w
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Software Integration & Test Engineer (Midlevel or Senior)
Sacramento, California, United States
$112k-$183k/yr OnsiteFull Time
3+ YOEBachelor’s degree; 3+ years in software integration/test; Top Secret clearance; DevSecOps experience; systems engineering leadership.
DOORS, MBSE, Cameo, Jira, Confluence, Git, Python, Bash, Matlab, Docker, Kubernetes, CI/CD
2mo
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Sr. Software Engineer in Test
Sunnyvale, California, United States
$150k-$180k/yr HybridFull Time
5+ YOE5–8 years in SDET or Systems Engineering; distributed systems; database internals; C++, SQL, Python, Java; Linux, CI/CD; AI tooling; strong debugging.
C++, SQL, Python, Java, Linux, Git, CI/CD
1mo
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Senior Software Engineer in Test - Mobile
San Jose, California, United States
$144k-$213k/yr HybridFull Time
3+ YOE3+ years software testing experience; mobile app automation; proficiency with Appium, Espresso, XCTest; strong Python/NodeJS/Kotlin/Swift skills; CI/CD tools; good problem solving and communication.
Appium, Espresso, XCTest, Python, NodeJS, Kotlin, Swift, Jenkins, GitHub Actions
2w
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Senior Software Development Engineer in Test - SF
San Francisco, California, United States
HybridFull Time
8+ YOE8+ years SDET experience; agentic AI testing in production; healthcare domain experience; strong JS/Python; proficient with Jest, React Testing Library, Cypress, Playwright, pytest; REST API testing.
JavaScript, Python, Jest, React Testing Library, Supertest, pytest, Cypress, Playwright, Selenium, Postman
3w
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Test Engineer
United States
$87k-$106k/yr RemoteFull Time
2+ YOE2+ years in software testing, test automation, DoD exposure, and PLM/ERP familiarity; DoD compliance experience.
Eggplant, Selenium, Katalon, Python, XML, JSON, Windchill, Teamcenter, Enovia, Jira, Confluence, SharePoint
1mo
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Senior Software Engineer in Test (Sunnyvale, US)
Sunnyvale, California, United States
$137k-$188k/yr OnsiteFull Time
5+ YOE5+ years in imaging or related engineering, test automation, Python, Windows/Linux experience, and strong communication.
Python, CUDA, OpenCV, OpenMP, Git, Jira, scipy, numpy, C/C++, Linux, Windows
1mo
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Senior Software Engineer in Test
Sunnyvale, California, United States
$189k-$231k/yr OnsiteFull Time
5+ YOE5+ years in embedded/electromechanical systems; strong Python; problem-solving; good documentation; quality-focused.
Python, C/C++, Matlab, Linux, Machine Learning
2mo
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Software Development Engineer in Test (Application Pod)
Bengaluru or San Mateo
HybridFull Time
3+ YOE3+ years SDET/QA automation; strong Python, Go, JS/TS/Java; AWS, distributed systems, CI/CD; observability tooling; performance/chaos testing.
Python, Go, JavaScript, Typescript, Java, AWS (EC2, ECS, CloudWatch, Lambda, DynamoDB, S3), AWS OpenSearch/Elasticsearch, CI/CD (GitHub Actions), pytest, Postman, JMeter, Grafana, Prometheus, OpenSearch, Kubernetes, Kafka, SQS, S3, Lambda, DynamoDB, EC2
3w
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Software Test Lead
Arlington or San Diego or Woburn
$157k-$224k/yr RemoteFull Time
7+ YOESenior test lead with 7+ years in software testing; TS/SCI eligibility; BS in CS/IT or related field; strong automation and DevSecOps experience.
Python, Kafka, RESTful services, GitLab CI/CD, Kubernetes, ELK, Docker, Java, pytest, PyUnit, Jest, JUnit, Selenium, Playwright
2mo
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Software Development Engineer in Test, Platform Safety Assurance
Foster City, California, United States
$138k-$212k/yr HybridFull Time
Design and build automated test frameworks and tools for platform safety clearance and system testing; develop dashboards; automate verification and validation.
Python, Grafana, Looker, Streamlit, Jira, Polarion, Testrail, CI/CD, Bamboo, Buildkite
2d
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Engineer Software - Software Integration & Test (San Diego CA)
San Diego, California, United States
$92k-$138k/yr OnsiteFull Time
2+ YOEBachelor's in STEM with 2 years experience or Master's in STEM with 0 years; SDLC; Java; scripting (Python, Ansible, PowerShell, Bash); Agile; Top Secret DoD clearance; SAP/PAR ability.
Java, Python, Ansible, PowerShell, Bash, XML, JMS, XSLT, XSD, SDLC, UML, DDS, JEE, Cloud
1w
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Software Developer
San Diego, California, United States
$54-$68/hr OnsiteFull Time
Design, develop, test, and maintain Core Banking System software; collaborate with architecture; provide development and operational support.
Java, C#, UNIX, HTML, JavaScript, SQL, T-SQL, Visual Studio, Git, Azure DevOps, IIS, Python, XML
1mo
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Battery Test Engineer
Cupertino, California, United States
$135k-$160k/yr OnsiteFull Time
3+ YOE3+ years in Python software development; experience building web tools; data analysis/visualization; API integration.
Python, pandas, matplotlib, plotly, React, Streamlit, Dash, LLM APIs
1w
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R&D Test Software Engineer
Santa Rosa, California, United States
$123k-$148k/yr OnsiteFull Time
0+ YOEBachelor’s in CS/EE, internship/project in test software, Python (preferred), OpenTap/C#/similar acceptable, test equipment familiarity, electronics basics, data analysis (pandas/NumPy), strong problem solving and communication.
Python, OpenTap, C#, PyVISA, nidaqmx, Pandas, NumPy
1mo
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Staff Engineer, Software, Test
Menlo Park, California, United States
$170k-$256k/yr HybridFull Time
7+ YOE7-10 years of software QA/testing experience; BS in CS/Bioinformatics or related field; robotics/device control test automation; Python/JavaScript; pytest; regulated industry experience.
pytest, Python, JavaScript
1mo
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Software Engineer - Product Test Frameworks - .NET/TestStand
United States
$141k-$261k/yr RemoteFull Time
5+ YOE5+ years in systems and test, with .NET/TestStand, C#, Python; test automation; NI TestStand experience; travel up to 10%.
.NET, TestStand, C#, Python, LabVIEW
1mo
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Software Engineer - Product Test Frameworks - .NET/TestStand
United States or India or Carlsbad or Tempe or Duluth or Hyderabad or Remote - Georgia or Remote - California or Remote - Arizona or Carlsbad or Tempe
$141k-$222k/yr RemoteFull Time
5+ YOEBS in Electrical Engineering or CS, 5+ yrs systems/test, TS/C#/Python, test automation, APIs, travel up to 10%.
TestStand, C#, Python, LabVIEW
2mo
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Software Test Engineer I
Del Mar, California, United States
$39-$43/hr HybridFull Time
3+ YOEBachelor's degree in EE or CS or related field; 3+ years software test/QA; Agile/Scrum; CI familiarity; automation tools; programming language knowledge (JavaScript, Python, C, C#).
Selenium WebDriver, Jasmine, Mocha, Appium, JavaScript, Python, C, C#, CI systems, MS Office
3w
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Software Developer I
United States
RemoteFull Time
2+ YOE2+ years software development experience; strong Python/Java; capable of writing unit tests and collaborating with teams.
Python, Java, Git
2w
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Software Developer
Houston or Austin or California
$90k-$250k/yr OnsiteFull Time
1+ YOEDesign, develop, test, and maintain software; Agile/Scrum; CI/CD; collaborate with engineers; US citizenship; ability to obtain Public Trust; Bachelor's degree; 1+ years in software development; NASA/space environment preferred.
Python, Java, C++, Git, Jenkins, GitLab CI, GitHub Actions, AWS, Azure, GCP
HiringCafe market data
Python Test Software Developer Jobs market signals in California, United States
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
720+
Hiring companies
320+
Fresh sample
54% new in 30d
Salary visibility
88% show pay
Companies appearing in this market
ViasatCiscoIntuitiveNorthrop GrummanSpaceXSystems & Technology ResearchThe Aerospace CorporationWayve
Work location mix in visible results
Onsite: 35Hybrid: 33Remote: 15
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