66 software testing engineer jobs at 39 companies in Windsor, CO

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Principal Software Engineer
Warsaw or Fridley or Mounds View or Brooklyn Park or Fort Worth or North Haven or Jacksonville or Boston or Lafayette
$153k-$229k/yr OnsiteFull Time
Medtronic
MedtronicNYSE: MDT: Developing and manufacturing medical technologies and therapies globally.
5+ YOEBachelor's + 7+ years software engineering or advanced degree + 5+ years; experience designing, developing, testing and deploying scalable, reliable software for manufacturing; leadership, mentoring, and cross-functional collaboration.
Ignition, deviseWISE, Azure, AWS, Docker, Kubernetes, Jenkins, Terraform, React, Angular, Node.js, ASP.NET, HTML5, CSS3, WebAPI, Microservices Architecture, Test-Driven Development, Agile & Scrum, CI/CD Pipelines, RESTful API Design, Java, C++, NET, Scala, Lua, Python, SQL
1w
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Staff Software Engineer
Westminster, Colorado, United States
$102k-$150k/yr HybridFull Time
Vantor
Vantor: Providing AI-powered spatial intelligence and high-resolution Earth observation.
5+ YOEU.S. Person required, 5+ years building complex software, expertise with Python/Django, Linux, REST/JSON/YAML, test automation, CS/Engineering degree or equivalent.
Python, Django, Ubuntu, RHEL, CENTOS/AL3, REST, JSON, YAML, Cucumber, Gherkin, Behave, K8S, docker, jenkins, helm, terraform, RabbitMQ, PostgreSQL, Redis, Elasticsearch, Ruby, Go, CI/CD, EMR
2mo
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Engineer Principal - Software - Payload Test
Broomfield, Colorado, United States
$118k-$201k/yr HybridFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
6+ YOEBachelor's in engineering or related plus 6+ years experience, active TS/SCI clearance, strong software engineering skills (Windows, OOP), coding and test experience; Ruby, Python, RDBMS, LabVIEW desirable; agile, CI, unit testing, MS Office proficiency.
Ruby, Python, RDBMS, LabVIEW, Microsoft Office, Windows
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Software Engineer
Denver or Westminster
$90k-$190k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOE5+ years related experience, active TS/SCI clearance, strong Python proficiency, experience with test automation and hardware integration, software development best practices, and ability to work independently and with cross-functional teams.
Python, Java, C#, TypeScript, C++, pytest, unittest, Robot Framework, CI/CD, USB, Serial, Ethernet, oscilloscope, DAQ
4d
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Embedded Software Engineer
Northglenn, Colorado, United States
$115k-$165k/yr HybridFull Time
Integrated Solutions for Systems
Integrated Solutions for Systems: Provides engineering, systems integration, and research for defense.
4+ YOEEngineering/CS degree, 4+ years software/embedded experience, embedded Linux expertise, version control and testing practices, security-clearance eligibility required.
Linux, PX4, Ardupilot, ROS, ROS2
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Senior Software Engineer
Boulder or Austin
$140k-$185k/yr HybridFull Time
Atom Computing: Building scalable quantum computers using arrays of neutral atoms.
5+ YOEBachelor's degree in CS/CE or related, 5+ years software engineering experience, proficiency with Python and SQL, Linux and Git experience, familiarity with automated testing and CI/CD practices, willingness to learn atomic/quantum concepts.
Python, Rust, TypeScript, React, SQL, Linux, Git, Terraform, Azure, AWS, GCP, C++
5d
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Software Engineer
Cary or Chicago or Peoria or Westminster or Irving
$98k-$158k/yr OnsiteFull Time
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction equipment, mining machinery, and industrial engines.
5+ YOE5+ years software development experience; Bachelor's in CS/SE/CE or equivalent; experience with React/Next.js/TypeScript, Java Spring Boot or Node.js; CI/CD, automated testing, and Agile practices.
React, Next.js, TypeScript, Java Spring Boot, Node.js, JavaScript, AWS, Azure, Vercel, Claude Code, GitHub Copilot, Copilot CLI, Claude, ChatGPT, Gemini, Cursor
6d
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Principal Software Engineer, Developer Platforms
Boulder, Colorado, United States
$220k-$297k/yr RemoteFull Time
Cisco
CiscoNASDAQ: CSCO: Develops and sells networking hardware and cybersecurity software.
8+ YOE8+ years software engineering experience, 3+ years in developer platforms/CI/CD or related, experience with automated testing, release pipelines, distributed systems, and a bachelor’s degree or equivalent.
3mo
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Software Test Automation Engineer
Niwot, Colorado, United States
$90k-$120k/yr HybridFull Time
Particle Measuring Systems
Particle Measuring Systems: Manufactures particle counters and cleanroom contamination monitoring systems.
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
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Senior Software Engineer
Spring or Fort Collins
$131k-$205k/yr OnsiteFull Time
HP
HPNYSE: HPQ: Manufacturer of personal computers, printers, and imaging devices.
4+ YOEDesign, develop, test, and maintain Windows-based software. Requires C++ (C++17+), Win32 API, multithreading, IPC/RPC, Git, CI/CD, Azure/AWS, unit testing, and 3–7 years of relevant experience; degree or equivalent experience preferred.
C++17, C++, Win32 API, IPC, RPC, Git, MSTest, CI/CD, ADO, Microsoft Azure, Amazon Web Services, Docker, Java, JavaScript, Kubernetes, Python, React.js, SQL
3mo
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Senior Software Developer
Louisville, Colorado, United States
$118k-$144k/yr OnsiteFull Time
CableLabs
CableLabs: Research and development for the broadband and cable industry.
5+ YOE5+ years of professional software development; proficient in Python; strong SQL and relational DB design; Git and CI/CD; REST APIs; testing with pytest; good communication.
Python, SQL, Git, pytest, REST API, JavaScript, TypeScript, Node.js, CI/CD, GitLab CI
3mo
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Staff / Senior Staff Software Test Engineer
Boulder, Colorado, United States
$94k-$141k/yr OnsiteFull Time
SciTec
SciTec: Provides advanced remote sensing and missile defense technology solutions.
3+ YOEBachelor's in physical sciences, mathematics, engineering, or computer science; 3 years in software test engineering; strong teamwork and communication; DoD clearance ability.
Python, Test Automation, Model-Based Systems Engineering (MBSE), OPIR processing systems
1w
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Software Quality Engineer - 770
Broomfield, Colorado, United States
$132k-$165k/yr HybridFull Time
Quantinuum
Quantinuum: Building full-stack quantum computing hardware and software systems.
4+ YOEBachelor's degree and 4+ years software engineering experience; strong Python and test automation (Robot Framework) skills; experience with CI/CD, cloud platforms, and debugging; must be U.S. Person and pass pre-employment drug test.
Python, Robot Framework, AWS, Google Cloud Platform (GCP), Microsoft Azure, Jenkins, GitHub Actions, Git, Linux, PostgreSQL, Redis, InfluxDB, Elasticsearch
3w
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Staff Software Developer
Boulder, Colorado, United States
$128k-$229k/yr OnsiteFull Time
General Atomics
General Atomics: Designs and manufactures unmanned aircraft and nuclear technology systems.
7+ YOERequires advanced software development experience (C++, Linux, multithreading, TCP/UDP sockets), 7+ years' experience (varies by degree), ability to obtain DoD security clearance, and strong communication and testing skills.
C++, TCP, UDP, Linux, GitLab, Git, Bash, Python, ZYNQ Ultrascale, Xilinx SDK, PetaLinux, SPI, I2C, UART, Ethernet, Unit Testing Tools
2mo
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Software Test Engineer
Lafayette, Colorado, United States
$100k-$140k/yr OnsiteFull Time
Centil
Centil: Provides engineering and cybersecurity services for national defense missions.
Bachelor's in Engineering or related field; experience with automated testing tools (Cucumber, Selenium); CI/CD (GitLab/Jenkins); Docker/Kubernetes; DoD Secret or higher clearance; Jira/Confluence experience.
Cucumber, Selenium, Jira, Confluence, GitLab, Jenkins, Docker, Kubernetes
1w
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Software Development Engineer in Test
Spring or Durham or Fort Collins or Andover
$106k-$243k/yr HybridFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides edge-to-cloud IT infrastructure and platform services.
6+ YOEBS/MS in CS/Engineering or equivalent, typically 6+ years in software test automation, experience with Playwright or Selenium and Java/TypeScript/Python, knowledge of Agile SDLC and testing methodologies.
Playwright, Selenium, Java, TypeScript, Python, KVM, Kubernetes, VMware, AWS, Azure, GCP, Terraform, Ansible
1mo
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Engineer II - Advanced Test Software
Westminster, Colorado, United States
$79k-$135k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
2+ YOEBS in engineering +2 years experience; proficiency with Python and Ruby for hardware integration; experience with instrumentation protocols, containerization, CI/CD, and full software lifecycle; willing and eligible to obtain Top Secret/SCI; U.S. person required.
Python, Ruby, Docker, Podman, OpenC3 COSMOS, Ruby on Rails, Knockout, Vue, NodeJS, JavaScript, Keycloak, Redis, Traefix, Minio, Linux, Windows, BASH, PowerShell, LabVIEW, Veristand, VHDL, FPGA, DAQmx, RIO, TCP-IP, USB, Spacewire, 1553, UART, GPIB, CI/CD
3w
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Engineer II, Embedded, Sensors, and Safety Software
Henderson, Colorado, United States
$120k-$135k/yr HybridFull Time
Outrider
Outrider: Automates distribution yards with electric self-driving trucks.
Experience building software test infrastructure for safety-critical systems; system-level software proficiency; Python, C, Modern C++; embedded C; Linux; Git and CI/CD; test lab equipment and development containers; bachelor's in a related engineering field.
Python, C, Modern C++, Git, CI/CD, Linux, development containers, HIL, oscilloscope, data acquisition unit, signal generator, AI coding tools, REST APIs, CAN, UDP, TCP, DHCP, DNS, Wireshark, ROS, ROS2, IBM ELM/DOORS, ISO 26262, IEC 61508, RADAR, LIDAR, GPS, encoders
3w
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Golang - Software Engineer II
Boulder, Colorado, United States
$100k-$140k/yr HybridFull Time
Spectra Logic
Spectra Logic: Provides scalable data storage and management solutions for long-term preservation.
1+ YOE1+ years professional Go experience, bachelor’s degree in CS/CE or equivalent experience, ability to write reliable Go code, participate in CI/CD and automated testing, and reside within commuting distance of Boulder, CO.
Go, Golang, CI/CD
3d
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Software Engineer
Browns Corner or Colorado Springs or Peterson AFB or Loveland
$85k-$142k/yr OnsiteFull Time
Serco
SercoLondon Stock Exchange: SRP: Provides professional outsourcing services to governments worldwide.
2+ YOEUS citizen able to obtain active Secret clearance, Bachelor\u0002s degree and 2 years related experience, software development in Java/C/C++, Linux/Unix/Python experience, testing/scripting, willing to travel up to 25%.
GitHub, VersionOne, SharePoint, Fortify, Linux, Unix, Python, Java, C, C++