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Python Test Software Developer Jobs in Phelan, CA, US
41 python test software developer jobs from 21 companies hiring in Phelan, CA, US.
3mo
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Software Test Engineer
Los Angeles, California, United States
OnsiteFull Time
Bachelor's in CS/EE; strong Python/C/C++; testing across Windows/Linux/MacOS/Android; networking basics; US citizenship; background check required.
Python, C/C++, Wireshark, TCPDump, Putty, Minicom
3mo
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Software Test Engineer
Los Angeles, California, United States
$36-$43/hr OnsiteFull Time
Bachelor's degree in CS/EE, strong Python/C/C++, testing and networking basics, US citizen.
Wireshark, TCPDump, Putty/Minicom, Web browser developer tools
2mo
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Senior Test Automation Engineer, Python
Burbank or Walnut Creek or Portland
$128k-$187k/yr HybridFull Time
5+ YOE5+ years in software development or test automation; expert Python; experience automating tests in virtualized environments; cross-platform desktop/mobile testing; CI/CD integration; strong troubleshooting.
Python, Qt, Docker, Git, Windows, Linux, CI/CD
1w
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Software Engineer in Test (SET)
Orange or New Braunfels
$95k-$110k/yr HybridFull Time
3+ YOEBachelor’s degree in computer science, engineering, or related field; 3+ years in software testing with test automation; programming in Java, C#, Python, or JavaScript; experience with Playwright, Selenium, or Cypress; strong QA lifecycle and CI/CD knowledge.
Playwright, Selenium, Cypress, Java, C#, Python, JavaScript, .Net, REST, GraphQL, CI/CD
2w
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Senior Software Engineer (Test)
Fort Worth or Palmdale
OnsiteFull Time
5+ YOEBachelor's degree in STEM; 5+ years in software testing; Python scripting; test automation; hardware-in-the-loop, lab integration; C++ experience; strong communication.
Python, C++, Jira, Confluence, Bitbucket
2w
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Software Development Engineer in Test (SDET), Video Apps
Los Angeles or San Francisco or San Diego or Seattle
OnsiteFull Time
5+ YOEAutomation with Python/Swift; test mobile/desktop apps; knowledge of video codecs; BS CS or 5+ years QE experience.
Python, Swift, macOS, Video codecs, MXF, QA tooling
2w
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Enterprise Software Engineer -DevSecOps Lead
Glendale, California, United States
$129k-$226k/yr HybridFull Time
Lead enterprise software development; strong in Java, Python, C#; DevSecOps, code reviews, testing, mentoring.
Java, Python, C#, Git, Performance testing
1mo
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Principal Software Development Engineer in Test
New York or Glendale
$172k-$241k/yr HybridFull Time
10+ YOE10+ years in quality engineering, automation or software development; leadership in large, complex systems; expertise in test automation; strong communication and mentoring.
Python
2mo
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Ground Software Engineer (Senior)
Los Angeles, California, United States
$185k-$215k/yr OnsiteFull Time
6+ YOE6+ years ground software experience; US person; BS in CS/EE or equivalent; Python, C++, Rust; Linux; Docker/Kubernetes; microservices; networking knowledge; software integration and testing.
Python, C++, Rust, Docker, Kubernetes, gRPC, Linux
6d
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Software Development Quality Engineer II
Sylmar, California, United States
$82k-$141k/yr OnsiteFull Time
2+ YOE2–5 years in software development and testing; embedded systems; programming in C/C++, Python, Java; QA tools; FDA/ISO knowledge; on-site in Sylmar, CA.
C, C++, C#, Python, Java, Visual Studio, Git, Jira, Subversion, ClearQuest, DOORS, Bugzilla, Code Collaborator, Coverity, Parasoft DTP
1w
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Flight Software Test Verification & Validation (V&V) Engineer
Atlanta or Los Angeles
$177k-$205k/yr OnsiteFull Time
3+ YOE3+ years software testing; Python; C++; SITL/HITL; test automation; documentation
Python, C++, Julia, Gitlab CI/CD, SITL, HITL
6d
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Software Development Quality Engineer II
Sylmar, California, United States
$82k-$141k/yr OnsiteFull Time
2+ YOE2+ years software development and testing; embedded systems experience; strong QA and automation; familiarity with FDA/GMP/ISO quality practices; proficiency in C/C++, Python, Java; experience with Git/Jira/CI tools.
C, C++, C#, Python, Java, Visual Studio, Git, Jira, Subversion, ClearQuest, DOORS, Bugzilla, Code Collaborator, Coverity, Parasoft DTP
1mo
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Software Engineer, Backend
United States or Los Angeles
$86k-$103k/yr RemoteFull Time
3+ YOEDesigning and developing web applications using Python; REST and GraphQL API development; databases like PostgreSQL, Redis, Elasticsearch; testing; CI/CD in Kubernetes/EKS; AWS deployments; strong collaboration; AWS Cloud Practitioner or PCAP within 1 year.
Python, REST, GraphQL, PostgreSQL, Redis, Elasticsearch, GitLab, Kubernetes, AWS, Flask, Docker, New Relic, Okta, ServiceNow, Salesforce
1mo
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Senior Test Engineer
Los Angeles or El Segundo
$103k-$129k/yr OnsiteFull Time
5+ YOE5+ years of test engineering experience with hardware and software, including automation and lab instrumentation.
Oscilloscopes, Power supplies, Electronic loads, DAQ systems, SCPI, Python, SQL, Function generators
1d
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Software Development Engineer in Test II (SDET) – ArcGIS Enterprise
Redlands, California, United States
$101k-$167k/yr OnsiteFull Time
2+ YOE2+ years in a similar role; proficiency in Java, C++, C#, or Python; experience with test automation frameworks; knowledge of CI tools; bachelor's in a related field.
Java, Python, C++, C#, Selenium WebDriver, Appium, JUnit, PyUnit, Jenkins, Chef
1mo
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Principal Software Engineer - Air Traffic Systems (Onsite)
Fullerton, California, United States
$118k-$225k/yr OnsiteFull Time
8+ YOEDegree in STEM with 8+ years in software engineering; or advanced degree with 5+ years; Unix/Linux, C, embedded/real-time safety-critical software; software testing; CM systems; US citizenship.
Unix/Linux, C, ClearCase, ClearQuest, Jira, Bitbucket/Git, DOORS, Python, SQL, MATLAB, bash scripting, kernel development, VxWorks
1mo
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Software Engineer Senior Staff
Palmdale, California, United States
OnsiteFull Time
Bachelor's degree or higher; embedded C/C++ for safety-critical apps; Linux/RTOS; Agile leadership; software life cycles; testing and integrations; mentoring; US citizenship; Secret clearance within 5 years.
Embedded C, C++, Linux, RTOS, Git, JIRA, Jenkins, Confluence, Python, Software Simulations, Hardware-in-the-Loop (HIL) testing
1mo
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Software Engineer III – Ground Data Systems (Lunar Rover Mission)
Los Angeles or Altadena
$165k-$231k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
5+ YOE5-6 years of space vehicle software experience; Proficient in C++; experience with cameras, motors, sensors; hardware bring-up; requirements negotiation; Git; automated testing; CI; Python, RTOS, CMake preferred.
C++, Git, Python, RTOS, CMake
2mo
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Integration & Test Engineer - Effector Systems
Hawthorne or Los Angeles
$130k-$160k/yr OnsiteFull Time
3+ YOEHands-on hardware/software integration, verification, and validation of effector systems; develop and execute test procedures; prototype-oriented integration experience.
Python, C/C++, Git, MAVLink, CAN, UART, SPI, I2C, PX4, ArduPilot, QGroundControl, Mission Planner, MATLAB/Simulink, GPS, Telemetry, Linux
3w
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Prompt Engineer, AI
Los Angeles, California, United States
RemoteFull Time
5+ YOE5+ years in AI/ML/NLP with focus on LLMs and prompt engineering; strong testing, experimentation, and ethics in AI; Python for automation; experience with LLM APIs and RAG.
Python, OpenAI API, Anthropic API, Azure OpenAI, Vector databases, RAG
1mo
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Quality Engineer, Level 4
Los Angeles or Santa Monica
$107k-$161k/yr OnsiteFull Time
2+ YOE2+ years QA experience; strong automation skills in Python, C/C++, Java; Jira/Git proficiency; test planning and documentation.
Python, C/C++, Java, Jira, Git
1d
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QA Automation Engineer
Los Angeles, California, United States
$150k-$175k/yr HybridFull Time
6+ YOE6+ years QA automation for enterprise apps; Selenium WebDriver; automation frameworks in Java, C#, or Python; API testing; CI/CD integration; cloud (Azure).
Selenium WebDriver, Java, C#, Python, TestNG, NUnit, JUnit, Azure DevOps, REST APIs, CI/CD, Azure
1mo
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Quality Engineer, Level 4
Los Angeles or Santa Monica
$91k-$161k/yr OnsiteFull Time
2+ YOE2+ years QA experience; Bachelor in a technical field; Python, C/C++, Java; Jira, Git; automation and testing of software/hardware.
Python, C/C++, Java, Jira, Git, Automation
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
HiringCafe market data
Python Test Software Developer Jobs market signals in Phelan, 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
41
Hiring companies
21
Fresh sample
48% new in 30d
Salary visibility
70% show pay
Companies appearing in this market
AppleLynx Software TechnologiesMotorola SolutionsSilvus TechnologiesAbbottApexEsriHermeus
Work location mix in visible results
Onsite: 28Hybrid: 10Remote: 2