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Python Test Software Developer Jobs in Windsor, CO, US
45 python test software developer jobs from 22 companies hiring in Windsor, CO, US.
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Software Test Automation Engineer
Niwot, Colorado, United States
$90k-$120k/yr HybridFull Time
5+ YOEBS in CS or software engineering; 5+ years automation testing; strong scripting; framework development; CI/CD experience; cybersecurity awareness.
Java, Python, Selenium, Selenide, JUnit, Ranorex Studio, Jenkins, IntelliJ
1w
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Sr Staff / Senior Python Software Engineer
Boulder, Colorado, United States
$126k-$175k/yr OnsiteFull Time
6+ YOEBachelor’s degree in CS/Engineering/Math/Physical Sciences; 6+ years of professional Python software engineering; microservices and distributed systems; real-time data processing pipelines; automated testing; Linux; Git; DoD clearance; strong communication.
Python, Linux, Docker, Git, pytest, CI/CD, Microservices, Distributed Systems, REST APIs, protobuf, ZeroMQ, Kafka, gRPC
1mo
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Software Development Engineer in Test
Westminster, Colorado, United States
$78k-$108k/yr OnsiteFull Time
2+ YOE2-5 years of programmatic web system testing; HTTP/REST/Auth experience; proficient in TypeScript/Java/JavaScript/Python; BS in CS.
TypeScript, JavaScript, Java, Python, HTTP, REST, OAuth2, AWS
2mo
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Specialist Software Development Engineer in Test (SDET)
Fort Collins or Durham or Spring
$98k-$185k/yr HybridFull Time
4+ YOEBS/MS in CS or Engineering; 4-6 years of software test automation; experience with Playwright/Selenium; Java/TypeScript/Python; Agile; strong debugging and test planning.
Playwright, Selenium, Java, TypeScript, Python, Agile
2mo
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Expert Software Development Engineer in Test (SDET)
Ft. Collins or Durham or Spring
$106k-$243k/yr HybridFull Time
6+ YOEBS/MS in CS or Engineering with 6-9 years of software test automation; Playwright/Selenium; Java/Typescript/Python; Agile testing; regression/performance testing.
Playwright, Selenium, Java, Typescript, Python
2mo
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Principal Software Development Engineer in Test (SDET)
Ft. Collins or Durham or Spring
$126k-$239k/yr HybridFull Time
8+ YOEBS/MS in CS/Engineering or equivalent; 8-12 yrs in software test automation; Playwright/Selenium; Java/Typescript/Python; Agile; regression/scale/performance testing; strong troubleshooting and communication.
Playwright, Selenium, Java, TypeScript, Python, Agile, Test automation, UI testing, API testing, Regression testing, Performance testing, Containers, Terraform, Ansible
3w
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Staff Software Engineer
Westminster, Colorado, United States
$102k-$170k/yr HybridFull Time
5+ YOEUS citizen; BS degree in CS or Engineering or equivalent experience; 5+ years in complex software development; Python web services; Linux; REST/JSON/YAML; test automation experience.
Python, Django, Linux, REST/JSON/YAML, Cucumber, Gherkin, Behave, Kubernetes, Docker, Jenkins, Helm, Terraform, RabbitMQ, PostgreSQL, Redis, Elasticsearch, Ruby, Go, CI/CD
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Senior Software Developer
Louisville, Colorado, United States
$118k-$144k/yr OnsiteFull Time
5+ YOE5+ years of professional software development; strong SQL; Python; Git; REST APIs; pytest or similar testing; CI/CD experience; ability to own features end-to-end.
Python, SQL, Git, REST APIs, pytest, JavaScript, TypeScript, Node.js, CI/CD, GitLab CI
2w
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Senior Software Engineer
Longmont, Colorado, United States
$115k-$145k/yr OnsiteFull Time
5+ YOE5+ years of professional software development; automation testing frameworks; Java, Python, JavaScript/TypeScript, or C#; backend services/APIs; CI/CD; AI-assisted tools.
Playwright, Cypress, Selenium, pytest, REST-assured, Criterion, Java, Python, JavaScript/TypeScript, C#, Copilot, Claude
6d
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Engineer Senior – Embedded Software
Boulder, Colorado, United States
$97k-$165k/yr OnsiteFull Time
4+ YOEBS degree or higher; 4+ years’ related experience; active Top Secret/SCI clearance; Rust, C/C++, Python, Embedded Linux; FPGA interaction; MQTT/ZeroMQ; Yocto/PetaLinux; software design, development and testing.
Rust, C/C++, Python, Embedded Linux, Yocto, PetaLinux, MQTT, ZeroMQ, UML
1mo
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Quantum Compiler Test Engineer - 739
Broomfield, Colorado, United States
$130k-$145k/yr OnsiteFull Time
5+ YOEDesign and implement black-box testing for quantum compiler; validate circuits; overview benchmarking; strong Python and quantum programming skills.
Python, Qiskit, Cirq, pytket, Guppy, Q#, QASM
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Senior Embedded Software Engineer
Louisville, Colorado, United States
$140k-$175k/yr HybridFull Time
5+ YOEBachelor's or master's in electrical/embedded systems; 5+ years hardware validation; proficient in C/C++/Rust; Python; Linux; test equipment; Git.
C/C++, Rust, Python, Linux, Git, Oscilloscope, DMM, OSA, VNA, UART, SPI, I2C, USB
2mo
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Senior Electronics Test Engineer II - Automation & Test
Westminster, Colorado, United States
$134k-$161k/yr OnsiteFull Time
6+ YOEBS/MS/PhD in Software or Computer Engineering; 6+ years spacecraft software testing; Python/C/C++ automation; OpenC3 COSMOS; debugging and strong communication.
Python, C, C++, OpenC3 COSMOS, Linux, Git, Docker, CI/CD
2w
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Senior Systems Test Engineer
Broomfield, Colorado, United States
$120k-$150k/yr HybridFull Time
5+ YOEDesign and implement automated test infrastructure for embedded software/hardware; 5+ years testing firmware; experience with HIL, CAN, Python, CI; safety-critical systems.
Python, C/C++, CAN, UART, MATLAB, Simulink, Jenkins, Pytest, TestRail, dSpace, Speedgoat, VeriStand
1mo
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Senior Engineer - Advanced Test Software
Westminster, Colorado, United States
$97k-$165k/yr OnsiteFull Time
4+ YOEBS in engineering with 4+ years of related experience; Python/Ruby; hardware test and CI/CD; TS/SCI preferred/required depending on program.
Python, Ruby, OpenC3 COSMOS, Linux, Windows, BASH, PowerShell, LabVIEW, Veristand, Docker, CI/CD, VHDL
3w
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Engineer Senior - Digital Test Developer
Westminster, Colorado, United States
$97k-$165k/yr OnsiteFull Time
4+ YOEBS in engineering with 4+ years' experience; full stack dev with Python and Ruby; API design; CI/CD; software lifecycle; strong communication.
Python, Ruby, CI/CD, Shell scripting, Linux, Windows, BASH, PowerShell, OpenC3 COSMOS, Git, Docker, Podman, Veristand, LabVIEW, VHDL
1mo
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Full Stack Software Engineer (TS/SCI) {S}
Aurora, Colorado, United States
$105k-$185k/yr OnsiteFull Time
3+ YOEActive TS/SCI clearance, BS in CS or related field, 3+ years Java/C#/Python, 1+ year JavaScript/TypeScript, experience with Java and Spring Boot or Quarkus, SDLC knowledge, collaborative, unit/integration tests, RESTful APIs, microservices, Agile/Scrum.
Java, C#, Python, JavaScript, TypeScript, Spring Boot, Quarkus, RESTful APIs, Microservices, Agile/Scrum, Git, Jira, Confluence, React, Angular, Kubernetes, AWS, Azure
1mo
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Senior Software Engineer (Big Data)
Westminster, Colorado, United States
$89k-$165k/yr HybridFull Time
5+ YOE5+ years of big data software development; proficient in Scala/Python/Java; strong Spark; AWS; Databricks; SQL; data pipelines; unit/integration testing.
Apache Spark, Hadoop, Hive, AWS, Databricks, Kubernetes, Docker, Airflow, ELK
2mo
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Senior Airborne Platform Automation Test Engineer
Broomfield, Colorado, United States
$100k-$125k/yr OnsiteFull Time
4+ YOESenior QA engineer with 4-7 years testing software/firmware; strong automation scripting; Python 3; Linux networking; experience with Linux OS and TCP/IP/UDP.
Python 3, Linux, Jenkins, Git, Docker, Linux networking, ARINC, DO-178C, TCP/IP, UDP
1mo
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Software Systems Integrator
Boulder or Longmont
OnsiteFull Time
12+ YOETop Secret clearance required; active TS clearance; 12+ years experience; BS degree; proficient in C/C++, Python, or Java; CI/CD experience; software architecture; embedded/high-performance apps; familiarity with Git/Perforce/ClearCase; agile practices; system integration/testing.
C/C++, Python, Java, APIs, middleware, RTOS, CI/CD tools, Jenkins, GitLab CI, Azure DevOps, Git, Perforce, ClearCase, requirement traceability
1mo
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V&V and Operations Tools Developer
Broomfield, Colorado, United States
$114k-$150k/yr OnsiteFull Time
Develop tools and automation for hardware-in-the-loop testing, data acquisition, and testbed management. Proficient in Python, Linux, Docker, and OOP; experience with REST microservices and observability a plus.
Python, Docker, Linux, Bash, REST, Pandas, Matplotlib
4w
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Senior Engineer, Advanced Reliability Test Engineering (Longmont, CO, US)
Longmont or Shakopee
$92k-$132k/yr OnsiteFull Time
5+ YOE5+ years experience in reliability test engineering; strong communication and data analysis skills; experience with test planning, data analysis, and reporting; knowledge of software (Python, JMP, Reliasoft, R, MATLAB) preferred
Python, JMP, Reliasoft, R, MATLAB, Data Analysis Tools
3w
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Senior AI/ML Engineer, Validation Strategy & Test Architecture
Longmont or Boise
$91k-$193k/yr OnsiteFull Time
4+ YOE4+ years in industry; 5+ years software development in Python; ML fundamentals; experience with ML frameworks; production ML deployment.
Python, scikit-learn, TensorFlow, PyTorch, LLMs, CI/CD, model monitoring
4w
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Senior/Lead QA Engineer
Boulder, Colorado, United States
$90k-$125k/yr OnsiteFull Time
5+ YOE5+ years software QA/testing; 2+ years in lead/senior QA; degree in engineering or CS; OS knowledge; Python scripting; regression testing; release management.
Python, Wireshark, TCP Dump, Regression testing tools, Release management tools
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Intern - Engineer
Boulder, Colorado, United States
$19-$30/hr OnsiteFull Time, Internship
0+ YOEPursuing a Bachelor's/Master's/Doctoral in engineering/computer science; embedded hardware/software development; familiarity with I2C/SPI/UART/USB; test equipment usage; ability to work 40 hours/week in Boulder, CO; US citizenship compliance.
Python, C++, MATLAB, UNIX, Jenkins, PCB Design (Altium)
4d
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Quality Assurance Intern
Cheyenne or Fort Collins or Laramie
$18-$20/hr OnsiteInternship
Pursuing a bachelor’s in an IT field or on track to finish a QA bootcamp; some software testing knowledge; Java, Python, REST, Docker helpful.
Java, Python, REST, Docker
HiringCafe market data
Python Test Software Developer Jobs market signals in Windsor, CO, 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
45
Hiring companies
22
Fresh sample
39% new in 30d
Salary visibility
98% show pay
Companies appearing in this market
BAE SystemsHewlett Packard EnterpriseSciTecCableLabsMicron TechnologyTrimbleARKA GroupCesiumAstro
Work location mix in visible results
Onsite: 29Hybrid: 15