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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.
2mo
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Systems Verification Engineer
Paso Robles, California, United States
$100k-$120k/yr OnsiteFull Time
3+ YOE3+ years QA experience in software/firmware testing; Bachelor's in CS/CE; strong test planning, automation, and tooling (TestRail, Jira).
TestRail, Jira, Python, JavaScript
6d
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QA Engineer
United States
$72k-$98k/yr RemoteFull Time
QA Engineer to design, execute, and own QA processes for scalable software; Ember/React, SQL, cloud, CI/CD, automated tests.
Selenium, Cypress, Python, JavaScript, Ember, React, MySQL, Redshift, CI/CD tools
1w
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Senior QA Automation Engineer
United States or Canada
$110k-$150k/yr RemoteFull Time
5+ YOE5+ years in Software QA with web app testing; strong automation experience; AI-assisted testing; CI/CD; API testing; English communication.
Playwright, Locust, Cursor, Augment, Claude, Git, TestRail, Postman, RestAssured, Jira, AWS, Python, JavaScript, TypeScript
3w
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Security Engineer
United States
$175k-$195k/yr RemoteFull Time
5+ YOE5+ years of professional experience in software engineering and product security; strong backend skills; knowledge of identity management, threat modeling, and vulnerability testing.
Rust, Go, Python, C++, IAM tooling, security tooling
1mo
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Battery Verification Engineer
United States
$120k-$180k/yr RemoteFull Time
3+ YOE3+ years in software verification/test for safety-critical systems; BS in Electrical/Computer Engineering or Computer Science; strong C/C++, Python; DO-178C/ISO 26262 familiarity; CAN/RS-422/485, ARINC-429, SPI, I2C, Ethernet experience.
C/C++, Python, MATLAB/Simulink, RTOS, CAN, RS-422/485, ARINC-429, SPI, I2C, Ethernet
1mo
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Product Security Engineer
Canada or New York or San Francisco or United States
$94k-$125k/yr RemoteFull Time
1+ YOE1–3+ years in product security or software engineering; JavaScript/TypeScript (or Python/Ruby); OWASP Top 10 familiarity; security testing tools (SAST/DAST); cloud experience (AWS).
SAST, DAST, Dependency Scanning, AWS
2w
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Staff QA Engineer
United States
RemoteFull Time
5+ YOE Five years of web-based software testing with automation; strong scripting; experience with REST APIs and SQL; BS in CS/CE/MIS or related.
Test automation tools, JavaScript, Python, C#, SQL, SQL Server, RESTful APIs
2w
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Staff SDET
United States
$225k/yr RemoteFull Time
12+ YOE12+ years in software engineering, data engineering, or SDET; expert Python; design of complex test frameworks; experience with streaming data pipelines, NoSQL and relational databases; cloud-native testing; API testing; autonomous work style; strong communication and testing strategy influence.
Python, MongoDB, DynamoDB, Pinot, Kafka, Spark, EventBridge, Lambda, REST, GraphQL, Playwright, Datadog, AWS
1d
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Application Security Engineer
San Francisco, California, United States
$145k-$180k/yr HybridFull Time
5+ YOE5+ years in software security with SDLC, hands-on testing, secure coding, SAST/DAST/CI/CD, and AI security tooling.
SAST, DAST, SCA, CI/CD, Python, C++, Claude Code, GitHub Copilot
1mo
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Avionics Telemetry Engineer
Mojave, California, United States
OnsiteFull Time
2+ YOETelemetry, instrumentation, or network engineering in test environments; strong Ethernet and RF experience; data acquisition, software tools, and security clearance capability.
Ethernet networking, TCP, UDP, ARINC 429, Data Acquisition Units, Jenkins, Bamboo, Git, MS Office, C, C++, C#, Python, IRIG 106 CH4, telemetry standards, RF telemetry components
1w
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Senior Quality Assurance Engineer
San Francisco, California, United States
$115k-$188k/yr OnsiteFull Time
5+ YOE5+ years in software quality engineering; experience with manual and automated testing; QA methodologies; CI/CD; strong communication.
Selenium, Playwright, Python
1w
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Senior Quality Assurance Engineer
San Francisco, California, United States
$115k-$188k/yr OnsiteFull Time
5+ YOE5+ years software quality engineering; manual and automated testing; test automation tools; QA methodologies; CI pipelines; Bachelor's in Computer Science or related field.
Selenium, Playwright, Python, GitHub Actions, Jenkins, CircleCI
2mo
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Reliability Engineer (All Levels)
San Jose, California, United States
$120k-$250k/yr OnsiteFull Time
2+ YOEMinimum 2 years in reliability engineering; Bachelor's in mechanical, electrical, or materials engineering; strong hardware failure knowledge; experience with accelerated life testing and data analysis software.
Weibull++, JMP, CATIA, Altium, Ansys Sherlock, Monte Carlo simulation, Python, MATLAB, C, optical microscopy, CT/Xray, SEM/EDS, PCBA cross-sectioning
2mo
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RF Antenna Engineer
Long Beach, California, United States
$120k-$180k/yr OnsiteFull Time
3+ YOEBachelor's in electrical engineering; 3+ years RF design/analysis; RF antenna systems experience; RF test and simulation tools experience; schematic capture software.
SPICE, ADS, CST, HFSS, Altium, Orcad, Spectrum Analyzers, VNAs, Power Meters, Cable Analyzers, SDRs, MATLAB, LabVIEW, Python, C/C++, JavaScript
2w
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Senior Quality Analyst, Assistant Manager
United States
$80k-$110k/yr RemoteFull Time
4+ YOE4-8+ years in software testing; strong SQL; web and API testing; Agile experience.
SQL, Postman, SOAPUI, Python, PySpark, JIRA, Tableau, SQL, Web Testing
3w
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ServiceNow Quality Assurance Engineer
United States
$63k-$130k/yr RemoteFull Time
4+ YOE4+ years QA/testing hardware and software; 2+ years with ServiceNow SAM Pro and HAM; Agile; US citizen with Secret clearance.
ServiceNow, Jira, Selenium, Robot Framework, Python, Postman
1mo
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Senior Networking QA Engineer
Irvine, California, United States
$110k-$140k/yr OnsiteFull Time
5+ YOE5+ years software or system testing; BS/MS in Electronics/Computer Engineering/CS; experience with CPE, embedded systems, or cloud platforms; strong networking knowledge; REST API testing; Linux; Jira/Xray; excellent communication.
Postman, Wireshark, iPerf, ixChariot, Spirent, Veriwave, Ixia, Robot Framework, Python, Linux, JIRA, Xray
1w
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Itential Careers - Product Support Engineer
United States
RemoteFull Time
5+ YOE5+ years in enterprise software support, DevOps, or related roles; BS in CS/Engineering; strong scripting (Python, Bash); Node.js and APIs; MongoDB/SQL; Linux/Unix; Docker/Kubernetes; REST API testing; excellent communication.
Node.js, MongoDB, RabbitMQ, Redis, Docker, Kubernetes, Postman, curl, Linux, Unix, REST APIs
1w
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QA Automation - Kubernetes Platform [ 8 - 14 years ]
Bangalore or San Jose or Durham or Mexico City or Bangalore or Pune or Hoofddorp or Belgrade or Barcelona or Singapore or Sydney or Tokyo
HybridFull Time
8+ YOESeeking a Staff QA or senior engineer with Kubernetes, Python automation, test strategy, and mentorship experience; able to design scalable test plans and collaborate across teams.
Python, Kubernetes, Test automation frameworks
1mo
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SDET (Wallet Platform)
United States
RemoteContract
Proficient in Python, TypeScript/JavaScript, or Go; design/build test frameworks; API testing; DB basics; experience with payment/financial systems and CI/CD; cloud familiarity.
Python, TypeScript/JavaScript, Go, APIs, SQL, CI/CD, GitHub Actions, GitLab CI, AWS, GCP
2w
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Quality Lead (48880)
California, United States
HybridFull Time
7+ YOE7-9 years of relevant experience; B.Tech/B.E/M.Tech or MCA; automation testing with Selenium or Appium; scripting with Python or JavaScript; Agile testing; strong communication; able to learn and adapt.
Selenium, Appium, Python, JavaScript, Test Automation frameworks
1mo
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Sr. AI Engineer (24 months fixed-term)
Mountain View or United States or Canada
$138k-$172k/yr HybridFull Time
5+ YOE5+ years in software/ML engineering; 2+ years applying AI/ML/NLP; 1+ year in education-related context; strong collaboration, testing, data analysis, and ethical AI bias mitigation.
Python, Go, Machine Learning
2w
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Technology Specialist
United States
RemoteFull Time
Proficient in TypeScript/JavaScript; experience with testing tools; REST API testing; automated testing; Java and AWS knowledge.
TypeScript, JavaScript, HP ALM, RALLY, Jira, Postman, Python, Maven, Jenkins, SoapUI, TestNG, Cucumber, Selenium, Java, AWS
3w
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SDET II
United States
$81k-$110k/yr RemoteFull Time
3+ YOE3+ years experience; QA methodologies; automated testing tools; CI/CD; programming in Java/C#/Python; healthcare experience a plus.
Selenium, Appium, JUnit, Cucumber, BDD, CI/CD
5d
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AI SDET
United States
RemoteFull Time
Automation-focused SDET with backend/API testing, strong SQL, and experience integrating tests into CI/CD; knowledge of AI/ML systems a plus.
Playwright, Postman, SQL, TypeScript, Java, C#, Python
2mo
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Member of Technical Staff - Full Stack
San Francisco, California, United States
OnsiteFull Time
8+ YOE8+ years full-stack experience; expert in TypeScript with Python for backend; experience with Drizzle ORM, Postgres, Vercel; CI/CD via GitHub; strong product sense; excellent communication; proven end-to-end feature shipping; experience with A/B/multivariate testing; large-scale app design and API/frontend architecture.
TypeScript, Python, Drizzle ORM, PostgreSQL, Vercel, GitHub CI/CD, Supabase, Figma, PostHog, OpenAI API, Anthropic API
2w
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SDET - Lab Technician
Sunnyvale, California, United States
$78k-$117k/yr OnsiteFull Time
QA mindset with Android devices, Linux, scripting, lab ops, device management, and test automation.
Android, Linux, Shell, Unix, Java, Python, Jenkins, ADB, Ansible
1mo
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AI Intern - Functional Operations and Enablement
United States
$30-$32/hr RemoteFull Time
0+ YOEPursuing a CS/Data Science/AI-related degree; junior/sophomore; strong communication; familiarity with AI tools and prompt behavior; ability to write test cases and manage a backlog; detail-oriented; proficient with Sheets/Excel.
Python, Excel, Sheets, QA, UAT
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
59% new in 30d
Salary visibility
66% show pay
Companies appearing in this market
HPPhantomAgilent TechnologiesArcherAXON NetworksCACICognizantCorroHealth
Work location mix in visible results
Remote: 16Onsite: 9Hybrid: 4
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