1,745 software test engineer jobs at 583 companies in California

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Sr Engineer, Software Test
Irvine, California, United States
$100k-$120k/yr OnsiteFull Time
Masimo
MasimoNasdaq: MASI: Develops noninvasive patient monitoring technologies and consumer audio products.
5+ YOESenior Software Test Engineer for medical devices; lead test strategies, V&V, and automation; cross-functional collaboration; 5+ years in medical device testing; degree in related field.
Python, C/C++, Linux, CI/CD, Test Automation
2mo
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Senior Software Test Engineer
Alameda, California, United States
$90k-$180k/yr OnsiteFull Time
Abbott
AbbottNYSE: ABT: Provides medical devices, diagnostics, and science-based nutritional products.
6+ YOE6+ years software verification/quality engineering; 2+ years medical device software regulatory experience; strong test automation experience; CI/CD familiarity; excellent communication and documentation.
Python, JavaScript, TypeScript, Playwright, Jest, REST Assured, GitHub Actions, Azure Pipelines, Harness
1mo
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Sr. Software Test Engineer
Sunnyvale, California, United States
$162k-$234k/yr OnsiteFull Time
Intuitive
IntuitiveNASDAQ: ISRG: Robotic-assisted systems for minimally invasive surgery.
8+ YOEBachelor's degree in a technical field and 8+ years testing complex electro-mechanical or robotic systems; strong V&V, SQA, systems engineering, requirements-driven test design, embedded software debugging, and communication skills.
Python, Matlab, JavaScript, Unit Test frameworks, Hardware-In-the-Loop (HIL)
5d
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Software Test Engineer
Los Angeles, California, United States
$36-$43/hr OnsiteFull Time
Motorola Solutions
Motorola SolutionsNYSE: MSI: Provides mission-critical communications and public safety technology.
Bachelor's in CS/CE/EE or related, strong Python/C/C++ skills, experience on Windows/Linux/MacOS/Android/bare metal, understanding of software testing and networking, U.S. citizenship required, background check and drug test.
Python, C, C++, Windows, Linux, MacOS, Android, Wireshark, TCPDump, PuTTY, Minicom, web browser development tools
3w
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Test Software Engineer (Lead)
San Francisco, California, United States
$130k-$160k/yr OnsiteFull Time
Droyd
Droyd: Builds autonomous robotic systems and the software and hardware infrastructure to automate manual work in production environments.
Strong software engineering fundamentals; experience building internal tools, scripts, and test infrastructure; comfortable working close to hardware and debugging system-level issues; ability to set technical direction and lead a test team.
Python
2mo
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Software Test Engineer
Redwood City, California, United States
$150k-$250k/yr OnsiteFull Time
Array Labs
Array Labs: Builds radar satellites to create real-time 3D Earth maps.
5+ YOEBachelor's in EE/CE/CS, 5+ years in test engineering or embedded/hardware validation, strong C/C++ and Python (PyVISA, NumPy, Pandas), familiarity with SPI/I2C/UART/Ethernet/PCIe and lab instrumentation.
Python, C, C++, PyVISA, NumPy, Pandas, Xilinx Zynq/MPSoC, Petalinux, Yocto, Jenkins, GitLab CI, SPI, I2C, UART, Ethernet, PCIe
5d
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Staff Software Engineer, Test Software
Berkeley, California, United States
$148k-$194k/yr OnsiteFull Time
Form Energy
Form Energy: Developing multi-day batteries for grid-scale energy storage.
7+ YOEDegree in CS/CE/EE or equivalent,7+ years software engineering with HIL/SIL or hardware-software platforms,proficient in Python,ability to read schematics and debug hardware,experience with CAN/SPI/UART.
python, Hardware-in-the-Loop (HIL), Software-in-the-Loop (SIL), CAN, SPI, UART
3w
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Software Test Engineer
San Diego, California, United States
$92k-$138k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOEBS in CS/Electrical/Computer Engineering or related STEM +2 years (or Master’s); active U.S. Secret clearance and ability to obtain SAP clearance; experience with automated test frameworks, Python/C/C++/C#, OOAD/OOP, Agile, Atlassian tools, and Windows/Unix/Linux.
Cucumber, Google Test, TestComplete, AQT, Atlas, EggPlant, Unit Test Factory, RTC, ATF, Python, C/C++, C#, Jira, Git, Subversion, Confluence, Microsoft Windows, Unix/Linux, Rhapsody, Integrity, MIL-STD-1553
1mo
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Software Test Engineer Sr.
Huntsville or Sunnyvale
$93k-$186k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
US citizen with Interim/Final Secret clearance eligibility, bachelor’s in a STEM field, proficient in Python and C++, Perl preferred, experience testing software across the lifecycle, familiarity with embedded software and DevOps/CI-CD practices, strong communication.
Perl, Python, C++, CI/CD
3w
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Software Test Engineer, ADAS
Garden Grove, California, United States
OnsiteFull Time
Harbinger
Harbinger: Produces electric chassis platforms for medium-duty commercial transport vehicles.
2+ YOE2+ years engineering experience with end-to-end ADAS validation, bench-level and HIL testing, CAN/CANFD/Automotive Ethernet knowledge, Python test automation, and experience with tools like IPG Carmaker, dSPACE, Polarion or Jama.
Hardware-in-the-Loop (HIL), IPG Carmaker, dSPACE ASM, Python, AutomationDesk, ECUTest, Polarion, Jama, dSPACE SCALEXIO, NI PXI, IPG Xpack Real-time Test Systems, ROS2, DDS, Matlab/Simulink, CAN, CANFD, Automotive Ethernet, CI/CD, digital multimeters, oscilloscopes
1w
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Manufacturing Test Software Engineer
Sunnyvale, California, United States
$60k-$149k/yr OnsiteFull Time
Wipro
WiproNYSE: WIT: Global technology services and consulting for digital transformation.
5+ YOE5+ years experience developing automated manufacturing test software; strong embedded/system software skills; LabVIEW, Python and MATLAB integration; hardware/instrument control, data acquisition, and test troubleshooting.
LabVIEW, Python, MATLAB
3d
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Software Integration & Test Engineer I
San Diego, California, United States
$80k-$100k/yr OnsiteFull Time
Innoflight
Innoflight: Designs and manufactures compact cyber-secure avionics for space missions.
1+ YOE1+ year experience in software integration or test engineering, strong Python proficiency, ability to develop automation, troubleshoot software/hardware interfaces, document test procedures, and obtain U.S. security clearance.
Python, C/C++, JavaScript, SQL, Linux
6d
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Software Development Engineer - Test
Sunnyvale, California, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Testing application software across VisionOS, macOS, iOS, and watchOS; identifying and following up on bugs; collaborating with developers, QE engineers, and program managers to resolve technical issues.
VisionPro, VisionOS, MacOS, iOS, WatchOS, TouchID, FaceID, Multitouch
2mo
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Senior Software Test Engineer
Alameda, California, United States
$90k-$180k/yr OnsiteFull Time
Abbott
AbbottNYSE: ABT: Manufactures medical devices, diagnostics, and nutritional health products.
6+ YOEBachelor’s degree or equivalent; 6+ years software verification/quality engineering; 2+ years medical device software under FDA 21 CFR 820, ISO 13485, IEC 62304; strong V&V, test automation, and CI/CD experience.
Python, JavaScript, TypeScript, Playwright, Jest, REST Assured, GitHub Actions, Azure Pipelines, Harness
1mo
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Engineer, Test Software
San Jose, California, United States
$130k-$160k/yr OnsiteFull Time
Ayar Labs
Ayar Labs: Develops optical interconnect technology for high-speed data movement.
0+ YOEBS in EE/CS + 1+ yrs or MS in EE/CS + 0–2 yrs; proficient in Python, instrument control protocols, Git, unit testing/CI-CD, MongoDB/PostgreSQL; familiarity with C/C++ or Java and data structures.
Python, C/C++, Java, JavaScript, GPIB, RS232, USB, SPI, I2C, UART, Git, unit testing, CI/CD, MongoDB, PostgreSQL, Linux, Jira, Claude, Gemini
2d
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Software Test Engineer
San Francisco, California, United States
$140k-$190k/yr OnsiteFull Time
Echo Neurotechnologies
Echo Neurotechnologies: Developing brain-computer interface technologies to improve patient autonomy.
Design and execute integration and automated tests for cloud, desktop, and mobile; manage V&V for medical devices per IEC 62304; significant Python experience and QA methodologies.
Python
2mo
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Senior Test Engineer - Software
San Luis Obispo, California, United States
$135k-$150k/yr OnsiteFull Time
Trust Automation
Trust Automation: Manufacturer of custom motion control and power management systems.
8+ YOESenior-level test engineer with software/hardware integration experience; Python/C/C#, TypeScript; strong electronics knowledge; leadership abilities.
Python, C, C#, TypeScript, Linux, Oscilloscopes, Multimeters, Logic analyzers, Network analyzers, Debuggers
3w
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Software Test Engineer
San Diego, California, United States
$92k-$138k/yr HybridFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
2+ YOEBS in CS/ECE or related STEM +2 years (or Master's), active U.S. Secret clearance, ability to obtain SAP, experience with automated test frameworks and Python/C/C++/C#, Agile, OOAD, and Atlassian tools.
Cucumber, Google Test, TestComplete, AQT, Atlas, EggPlant, Unit Test Factory, RTC, ATF, Python, C, C++, C#, Jira, Git, Subversion, Confluence, Microsoft Windows, Unix/Linux, Rhapsody, Integrity, MIL-STD-1553
1mo
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Staff Software Engineer, Test Infrastructure
San Jose, California, United States
$210k-$234k/yr OnsiteFull Time
Muon Space
Muon Space: Designs, builds, and operates low Earth orbit satellite constellations.
10+ YOE10+ years software engineering experience, expert in software test infrastructure, Hardware-in-the-Loop and simulation-driven testing; strong Python, Git, CI/CD, Linux, and Docker skills; B.S. in CS or equivalent; excellent communication.
Python, Git, GitHub Actions, Linux, Docker, Kubernetes, C/C++, Hardware-in-the-Loop, Software-in-the-Loop, oscilloscopes, multimeters, power supplies, logic analyzers
2mo
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Robotics Software Test Engineer
Palo Alto, California, United States
OnsiteFull Time
Rhoda AI
Rhoda AI: Developing generalist robotic intelligence for real-world industrial automation.
Design and implement automated test plans and infrastructure; strong Python and C++; experience with CI/CD; Linux environments; multi-layer testing across software and hardware-in-the-loop.
Python, C++, Linux, Docker, Bazel, CI/CD