3mo
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Software Test Engineer
Aurora or Annapolis Junction
$60-$96/hr RemoteFull Time
3+ YOE3+ years software engineering in Agile; testing, JS/TS/Java; Playwright/Cypress; REST APIs; CI/CD; TS/SCI with polygraph; Bachelor's degree; ISTQB desirable.
Playwright, Cypress, JavaScript, TypeScript, Java, GitHub Actions, Jenkins, GitLab CI, Bitbucket Pipelines, REST APIs, Selenium
6d
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Senior Software Test Engineer
Denver, Colorado, United States
$130k-$155k/yr HybridFull Time
8+ YOE8+ years software engineering with 3+ years in software test development; professional Python and C/C++ experience; Git, Docker, cloud services, CI/CD, bash, Linux; strong communication and critical thinking; STEM degree.
Python, C, C++, Git, Docker, cloud services, CI/CD, bash, Linux
3mo
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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
3mo
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Software Development Engineer In Test, Verifications
Denver, Colorado, United States
$100k-$135k/yr HybridFull Time
5+ YOEDesign automated test suites for complex systems; use AI for testing; CI/CD; languages: C#, JavaScript/TypeScript, Python, Go; Docker/Kubernetes; cloud platforms; mentoring.
Go, React, JavaScript, TypeScript, Python, C#, Docker, Kubernetes, Git, Google Cloud, AWS, Azure, CI/CD
3mo
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Software Test Engineer
Lafayette, Colorado, United States
$100k-$140k/yr OnsiteFull Time
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
2mo
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Software Test Engineer - Aurora, CO
Aurora, Colorado, United States
$125k-$180k/yr OnsiteFull Time
4+ YOE4-6 years software/test engineering experience; active Top Secret with SSBI/SCI; US citizenship; college degree option allows 2 fewer years of experience.
Robot framework, GIT, Docker, CI/CD, Python, Selenium, JavaScript
4mo
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Staff / Senior Staff Software Test Engineer
Boulder, Colorado, United States
$94k-$141k/yr OnsiteFull Time
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
1mo
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Ground Software Integration & Test Engineer
Aurora, Colorado, United States
$128k-$174k/yr OnsiteFull Time
6+ YOE6+ years in software integration, test, or verification; Bachelor’s in engineering/CS or equivalent experience; active TS/SCI clearance; Python scripting; automated test development and strong troubleshooting skills.
Python, MATLAB, C, C++, Behavior Driven Development (BDD), Robot Framework, Atlassian Suite, Bitbucket, Systems Tool Kit (STK), Docker, Kubernetes, GitLab, Model-Based Systems Engineering (MBSE)
1mo
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Principal Software Test Automation Engineer
Lafayette, Colorado, United States
$122k-$184k/yr OnsiteFull Time
7+ YOEBachelors in Computer Science/Engineering, 7+ years in software QA/test automation, 5+ years in medical device or regulated industries, scripting and programming (Python, Bash, JavaScript, Perl, C/C++), Linux, UML, test automation frameworks, Cypress/Jest/Supertest/React, RabbitMQ/REST, FDA QSR and IEC 62304 knowledge, leadership and mentoring expe...
Python, Bash, JavaScript, Perl, C/C++, Linux, UML, Cypress, Jest, Supertest, React, RabbitMQ, REST, Agile, Test-driven development
3w
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Sr. Software Test Engineer (Contingent)
Aurora, Colorado, United States
$87k-$165k/yr OnsiteFull Time
5+ YOEActive transferable TS/SCI clearance and U.S. citizenship, 5+ years relevant experience (or 3+ with advanced degree), experience with automated test frameworks, Agile/CI workflows, and validating functional/performance/security requirements.
1mo
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Test Engineer III – Motion Control, Honeybee Robotics, EGSE & Test Software
Longmont, Colorado, United States
$111k-$155k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
5+ YOEBachelor's in engineering, 5+ years developing EGSE/ATE and test software, proficiency with Python/LabVIEW/C#/MATLAB, experience with data acquisition and environmental testing; U.S. citizen/permanent resident/refugee/asylee required.
Electrical Ground Support Equipment (EGSE), Automated Test Equipment (ATE), Python, LabVIEW, C#, MATLAB, Git, DOORS, Jama, Vector Network Analysis (VNA), motor controllers, load cells, torque sensors, encoders, thermocouples, accelerometers, multi-channel data acquisition systems
3w
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Sr Software Engineer (SDET)
Lafayette, Colorado, United States
$103k-$155k/yr OnsiteFull Time
4+ YOEBachelor's degree plus 4 years (or advanced degree plus 2 years), experience in test system development, manual and automated testing, CI/CD integration, embedded software testing, and strong problem-solving and communication skills.
C, C#, Python, Jira, Polarion, GitLab, Matlab, Minitab, Microsoft Excel
1mo
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Software Engineer
United States or Boston or New York City or Denver
$110k-$125k/yr RemoteFull Time
2+ YOE2+ years professional software engineering experience; full‑stack web development using TypeScript, React, Express, and MongoDB; strong testing, collaboration, and productive use of AI coding tools.
TypeScript, React, Express, MongoDB
1w
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Principal Software Engineer, Developer Platforms
Boulder, Colorado, United States
$220k-$297k/yr RemoteFull Time
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.
1mo
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Senior Software Engineer
Denver, Colorado, United States
$120k-$150k/yr HybridFull Time
Proven professional software development experience with Clojure, solid SQL/PostgreSQL skills, RESTful API design, SaaS architecture knowledge, testing and engineering best practices, and strong collaboration and communication.
Clojure, ClojureScript, SQL, PostgreSQL, RESTful APIs, AWS, Docker, RabbitMQ, ElasticSearch
2w
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Software Engineer II
Denver, Colorado, United States
$70k-$109k/yr OnsiteFull Time
2+ YOEBS in computer or electrical engineering,2+ years Java/C/C++ software development in embedded or regulated environments,component ownership,unit/integration test and verification,secure coding,strong communication.
Java, C, C++, SQL, Python, MATLAB, Ruby, R
1mo
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AI Software Developer
Grand Rapids or Denver or Chicago or Massachusetts or New Hampshire or New York or North Carolina or Oregon or Texas or Utah or Vermont or Virginia or United States or Canada
$120k-$160k/yr RemoteFull Time
3+ YOE3+ years professional software development; experience with Claude Code and Anthropic API; strong TypeScript and React; knowledge of prompt engineering, REST APIs, async patterns; ability to review AI-generated code and write tests.
Claude Code, Anthropic API, TypeScript, React, REST APIs
2mo
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Junior Software Engineer
Denver, Colorado, United States
$85k-$115k/yr OnsiteFull Time
0+ YOEBachelor's in CS/related field; 0-3 years software development; familiar with C++, Linux, Git, and testing.
C++, Linux, Git, CMake, REST APIs, Build Systems
2w
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Senior Software Engineer, Golang
Minneapolis or Charlotte or Denver
$119k-$150k/yr HybridFull Time
5+ YOEBachelor's or equivalent,5+ years software development experience,proficiency in multiple programming languages,software testing experience,and strong communication and problem-solving skills.
Go, PHP, JavaScript, Python, TypeScript, Java, C#, C++, Node.js, GraphQL, REST APIs, NoSQL, AWS, IaC, AI for code generation
2w
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Staff Software Engineer
Westminster, Colorado, United States
$102k-$150k/yr HybridFull Time
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