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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.
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
1w
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Senior Embedded Software Engineer
Redwood City, California, United States
$170k-$210k/yr OnsiteFull Time
Embedded firmware development in C/C++, MISRA and ISO 26262 experience, CI/CD, hardware/software integration, tested in real-time environments.
Embedded C/C++, TI MCUs, Infineon MCUs, Debugging tools, JTAG, SPI, I2C, CAN, LIN, Ethernet, UDS, XCP, DOIP, TCP/IP, Git, Jira, Python, RTOS, SIL, HIL, MISRA, ISO 26262
6d
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Test Automation Engineer (Cupertino, USA-CA, US)
Cupertino, California, United States
$60k-$149k/yr OnsiteFull Time
8+ YOE8+ years in test automation; Python and Java; device automation frameworks including XCUI; debugging distributed systems; SQL; AWS or GCP; Kafka and Spark.
Python, Java, XCUI, Kafka, Spark, SQL, AWS, GCP, Docker, Containerization
1mo
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Senior Software Engineer - Automation
Culver City, California, United States
$109k-$161k/yr OnsiteFull Time
4+ YOE4+ years in software engineering or automation; proficient in at least one compiled language and one scripting language; CI/CD experience; automated testing; interest in LLM tooling.
C#, C++, Go, Rust, Java, Python, Bash, Jenkins, TeamCity, CircleCI, Horde, Unreal Engine, AWS
1mo
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Sr Software Systems Engineer
Long Beach, California, United States
$154k-$211k/yr OnsiteFull Time
2+ YOEBS/MS/PhD in CS/CE/EE; 2+ years in software systems design; familiar with version control, configuration management, debugging, testing; Python, GitLab/Git, CI/CD; 25-50% travel; strong problem-solving and communication.
Python, Git, GitLab, CI/CD, SQL
3w
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Test Engineer
United States
$87k-$106k/yr RemoteFull Time
2+ YOE2+ years in software testing and test automation; DoD compliance experience; DoD OQE artifacts; BS in CS/Engineering; active US security clearance or ability to obtain.
Selenium, Katalon, Eggplant, Python, XML, JSON
1mo
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Principal Software Engineer
San Francisco or Atlanta
$164k-$218k/yr HybridFull Time
8+ YOE8+ years of software engineering with Java/J2EE, Spring, REST, SQL; experience with AI platforms and cloud services (Azure/AWS/GCP); strong design, testing, and mentoring.
Java, J2EE, Spring, SQL, Web services, REST, Kafka, Elasticsearch, Python, Bash, Drupal, Ember, Angular, Kubernetes, Jenkins, CI/CD, Azure, Google Cloud, AWS, NoSQL
2mo
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Senior Software Engineer, Scanning Engine
United States or Canada
$110k-$153k/yr RemoteFull Time
Senior backend engineer with Python/Go, distributed systems, and cloud-native experience; strong design, testing, observability; cross-functional collaboration.
Python, Go, Kubernetes, Docker, CI/CD
1d
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Software Validation Engineer, Energy Storage
San Francisco, California, United States
$180k-$238k/yr OnsiteFull Time
2+ YOEBS or MS in Electrical/Computer Engineering; 2+ years software validation/test automation for hardware; experience with real-time simulation platforms; strong Python automation; familiarity with embedded C/C++ and Rust.
Typhoon HIL, Opal-RT, dSPACE, Python, Pytest, Rust, C/C++, CAN, SPI, Ethernet, Git, Jenkins, Docker
1w
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Senior Software Engineer, Reporting Experience
New York City or Reno or San Ramon
$153k-$210k/yr HybridAll Commitments Available
5+ YOE5+ years in software engineering; 5+ years front-end with React/Jest/JavaScript/TypeScript; proficiency in Kotlin/Java/Python; experience with automated testing; eagerness to learn; strong problem-solving and communication.
React, Jest, JavaScript, TypeScript, Kotlin, Java, Python, Docker, AWS, GraphQL, RESTful APIs
11h
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Senior Software/Firmware Engineer - QA
Sunnyvale, California, United States
$102k-$141k/yr OnsiteFull Time
5+ YOE5+ years QA in software and firmware; web/app testing; automation; regulated environment; CI/CD; Python/TypeScript; Playwright/Cypress; API testing.
Playwright, Cypress, Python, TypeScript, BrowserStack, Postman, Jenkins, Git, CircleCI
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
2mo
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Test Automation Engineer Lead
United States
$129k-$215k/yr RemoteFull Time
8+ YOE3+ MgmtLead a small automation team; design and implement scalable test automation frameworks; hands-on leadership with CI/CD focus.
Python, Selenium, Cypress, Playwright, Postman, CI/CD, AWS, Azure, GCP, GitHub Actions, Azure DevOps
1w
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Software QA Engineer
Seal Beach, California, United States
$97k-$120k/yr OnsiteFull Time
2+ YOEBachelor of Science in Computer Science or related field; 2-5 years of software QA experience in embedded systems; familiarity with C/C++, scripting, and test automation; ability to work cross-functionally.
C, C++, C#, .NET, Python, Wireshark, UDP, TCP/IP, Microsoft Project, Microsoft Office, Embedded systems testing
5d
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Senior Software Engineer
United States
$115k-$200k/yr RemoteFull Time
2+ YOE2+ years professional software engineering; Bachelor's in CS; strong JavaScript; experience with React/React Native; backend experience with a language/ORM; testing, data modeling, and performance focus; remote work experience.
Python, Django, Django Rest Framework, JavaScript, React, Redux, TypeScript, Webpack, PostgreSQL, Elasticsearch, Redis, React Native, Git
2w
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Software Development Engineer in Test (SDET)
United States
RemoteFull Time
2+ YOE2+ years in QA or software testing; experience with test automation frameworks; programming in Python/Java/C#/JavaScript; API testing; CI/CD; strong QA methodology knowledge.
Playwright, Cypress, Selenium, Postman, REST-assured, Bitbucket, Jenkins, GitHub Actions, Zephyr, Docker, Kubernetes, Terraform, GitLab CI
3mo
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Robotics Test Engineer
San Francisco, California, United States
OnsiteFull Time
Pronto: Develops autonomous haulage systems for mining and industrial vehicles.
3+ YOE3+ years in software testing/QA/automation; strong Python; test frameworks; automation infra; CI/CD; excellent cross-team communication; log data debugging.
Python, pytest, unittest, Docker, GitHub Actions
6d
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Full Stack Software Engineer - Robotics
Chicago or San Francisco
$125k-$200k/yr HybridFull Time
5+ YOE5+ years in full stack development with Python and modern frontend frameworks; AI-enabled apps experience; AWS; Linux; distributed systems; testing and Agile practices.
Python, React, React Native, AWS, Linux, Grafana, Datadog
1mo
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Principal Bioinformatics Software Engineer
Santa Clara, California, United States
$166k-$308k/yr OnsiteFull Time
5+ YOEBS/MS/PhD in computational biology or bioinformatics; 5+ years in NGS data and bioinformatics pipelines; strong Python; AWS and Linux; verification testing; team player.
Python, AWS, Linux, C++, CUDA, CI/CD, GPU
2w
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Sr Software Engineer I
United States
RemoteFull Time
8+ YOE8+ years software development; BS/MS in CS/Software Engineering or related field preferred; experience with scalable databases (PostgreSQL) and DynamoDB/Cassandra; distributed systems in cloud; Golang (preferred) or Python/Java; MySQL; AWS (ECS/Lambda/RDS); Docker/Kubernetes; CI/CD (GitHub Actions/CircleCI); IaC (CloudFormation/Terraform); REST/HTT...
PostgreSQL, DynamoDB, Cassandra, Golang, Python, Java, MySQL, AWS, ECS, Lambda, RDS, Docker, Kubernetes, GitHub Actions, CircleCI, CloudFormation, Terraform, REST API
1d
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iOS Software Engineer, Contributions
United States or Canada
RemoteFull Time
3+ YOE3+ years iOS development in Swift; remote-friendly; BS in CS; strong communication; API knowledge; CI/CD; testing.
Swift, Java, Python, Go, Rust, C++, GraphQL, REST, HTTP
2mo
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Senior Software Engineer - AI
United States
RemoteFull Time
5+ YOE5+ years Python, PostgreSQL, AWS; 2+ years with LLMs and RAG pipelines; API design, data modeling; DevOps with Git, Docker, CI/CD; testing methodologies.
Python, PostgreSQL, AWS, LLMs, RAG pipelines, API design, Data modeling, Testing, Git, Docker, GitHub Actions
4w
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Assoc Software Quality Engineer
San Diego, California, United States
$88k-$128k/yr OnsiteFull Time
0+ years experience with technologies relevant to ServiceNow; programming/scripting with JavaScript, Python, or Ruby; ability to test systems; familiarity with IDEs, debuggers, build tools, source control, ServiceNow instances.
JavaScript, Python, Ruby, IDE, Debugger, Build tools, Source control, ServiceNow, Profilers, Unix tools
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
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
1d
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Senior Flight Software Engineer
Irvine, California, United States
$140k-$190k/yr OnsiteFull Time
4+ YOE4+ years embedded systems programming; C/C++ proficiency; design, build, and test embedded software; mentoring ability.
C/C++, Linux, CCSDS, CAN, Ethernet/IP, SPI, Yocto, Buildroot, cFS, F Prime, Git, GTest, Python
1mo
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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
2mo
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Senior Software Engineer - Frontend
United States
RemoteFull Time
3+ YOE3+ years frontend software engineering; strong React/JS/TS; HTML/CSS; AWS deployment; unit tests; strong communication.
JavaScript, TypeScript, React, HTML, CSS, Node.js, Webpack, Gulp, AWS, Ember, Python, OpenSearch, Postgres, DynamoDB
1mo
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Senior Test Engineer
Colorado Springs or San Jose
$108k-$155k/yr OnsiteFull Time
8+ YOEBS in engineering or computer science; 8+ years in test engineering; strong OS knowledge (Linux/Windows/Unix); scripting (Python, Bash); hardware/software interop; BMC/BIOS/SES firmware experience preferred; GPU testing a plus.
Python, Linux, Bash, Git, Jira, Bugzilla, Windows, Unix, BMC, BIOS, SES, GPU testing
4d
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Sr Software Engineer, Applications
United States
$119k-$186k/yr RemoteFull Time
5+ YOE5+ years software engineering; experience with large-scale cloud-native systems; CI/CD, testing, and platform reliability; strong collaboration and ownership.
Ruby, Rails, JavaScript, React, Java, Python, PostgreSQL, Redis, Kafka, RabbitMQ, Sidekiq, AWS, EC2, RDS, Docker, Terraform, Kubernetes, Datadog, Airbrake
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
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
3mo
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Performance Staff Software Engineer - SSE Architecture
United States
RemoteFull Time
6+ YOEBachelor's in CS/Engineering; 6+ years software engineering; 2+ years in load testing; strong cloud and DB experience.
Java, Kotlin, C++, Go, PostgreSQL, k6, JavaScript, Grafana, InfluxDB, AWS, Bash, Python
4w
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Senior Software Engineer, Full-Stack
United States
RemoteFull Time
3+ YOE3+ years Python (Django/Flask), 5+ years API systems (REST/OAuth2), 2+ years frontend (React/Angular), relational DB knowledge, unit tests, Git; strong communication and collaboration.
Python (Django/Flask), REST APIs, OAuth2, React, PostgreSQL, Git, JSON, JSON Schema, OpenAPI, Docker
6d
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Sr Software Quality Assurance Engineer (Hybrid)
Folsom, California, United States
$108k-$180k/yr HybridFull Time
5+ YOEMid-Senior QA engineer with experience in test automation, performance testing, security testing, and UI automation using UFT/Selenium; 5+ years in IT software QA.
UFT, Selenium, HP ALM/ALM, Jira, Confluence, SPLUNK SPL, Load Runner, Parasoft SOA Test, SOAP-UI, VB Script, Python, SQL, XML, JSON, JavaScript, REST API
2mo
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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
1mo
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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
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
1w
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Senior Software Engineer, Infrastructure & Simulation
Huntington Beach, California, United States
$165k-$220k/yr OnsiteFull Time
5+ YOE5+ years building production systems or developer infrastructure; strong C++ and Python/Rust/C; experience with simulation/test/validation frameworks; CI/CD, Docker; distributed/cloud compute; Jenkins/GitHub Actions; Terraform.
C++, Python, Rust, C, Docker, Jenkins, GitHub Actions, Terraform, CI/CD, Linux
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
51% new in 30d
Salary visibility
78% show pay
Companies appearing in this market
2K VegasRelativity SpaceEsriHermeusMach IndustriesRedditRTXAccelint
Work location mix in visible results
Onsite: 30Remote: 15Hybrid: 6
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