306 software testing jobs at 145 companies in Louisville, CO
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Software Systems Testing Engineer
Littleton, Colorado, United States
$77k-$135k/yr OnsiteFull Time
Experience in software testing/integration or software development; proficiency with Python or C++; creating test plans, test cases, and V&V matrices; Agile experience; eligible for government security clearance and U.S. citizenship required.
Python, C++, Hardware-in-the-Loop (HIL), National Instruments, Speedgoat, MATLAB, Simulink, STK, oscilloscope, digital multimeter, logic analyzer, protocol analyzer, CI/CD, Agile Scrum
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Software Test Lead
Golden, Colorado, United States
$105k-$145k/yr OnsiteFull Time
5+ YOE2+ MgmtBachelor's in CS/Aerospace or related, 5+ years software testing experience (2+ years leadership), embedded/real-time testing experience, proficiency with test tools/automation, strong communication and systems engineering skills, U.S. Person.
Hardware-in-the-loop (HIL), cFS, VxWorks, CI/CD
3w
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Software Engineer
Chesterfield or Greenwood Village
$85k-$140k/yr HybridFull Time
2+ YOEBachelor's in CS or related, 2+ years software development experience, experience with C#/.NET, SQL Server, web fundamentals, Git, testing, and strong communication and problem-solving skills.
C#, .NET, SQL Server, HTML, CSS, JavaScript, Git, TypeScript, Angular, React, REST APIs, Azure DevOps, Azure, AWS, Application Insights, DataDog
3mo
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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
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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
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
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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
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Sr Software Engineer
Fort Collins or Loveland or United States
$100k-$140k/yr OnsiteFull Time
5+ YOEBachelor's degree and 5+ years, or master's degree and 3+ years, in DevOps, software engineering, test automation, embedded software, or related engineering tools; experience with CI/CD, Git, Python, databases, and embedded systems.
Python, Bash, PowerShell, Git, Jira, Confluence, CMake, Ninja, GNU Make, GCC/G++, pytest, Robot Framework, GoogleTest, CTest, Docker, Microsoft Copilot, GitHub Copilot, SQL, Linux, Windows, CI/CD, RTOS, HIL
3w
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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
1d
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Software Engineer SME
Denver or Sarasota or Sterling
$99k-$207k/yr OnsiteFull Time
5+ YOETS/SCI clearance, bachelor's degree or equivalent, and 5+ years of related experience. Requires Java, REST, web services, Linux, testing, messaging, security, and software development expertise.
Java, JMS, Angular, Hibernate, Camel, Spring, REST, ActiveMQ, Kafka, JUnit, Linux, Maven, Gradle, Java Network Programming, PKI Certificates, AMQP, EJBs, JDBC, React, JSON, XML, Amazon Web Services, GitLab, CI/CD Pipelines, Kubernetes
1d
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Software Engineer SME
Denver or Sarasota or Sterling
$99k-$207k/yr OnsiteFull Time
5+ YOETS/SCI clearance, bachelor's degree or equivalent, and 5+ years of related experience. Requires Java, REST, web services, Linux, testing, messaging, security, and software development expertise.
Java, JMS, Angular, Hibernate, Camel, Spring, REST, Web services, ActiveMQ, Kafka, JUnit, Linux shell scripting, Maven, Gradle, Java Network Programming, PKI Certificates, Linux, AMQP, EJBs, Java Threads, JDBC, React, JSON, XML, GitLab, CI/CD Pipelines, Kubernetes, Amazon Web Services
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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
4w
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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
1d
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Senior Software Engineer
Denver, Colorado, United States
$115k-$140k/yr HybridFull Time
5+ YOEBachelor's degree in a related field or equivalent experience; 5+ years software development, 3+ years C# and Microsoft SQL Server; experience with .NET, web frameworks, testing, architecture, and source control.
C#, .NET, Microsoft Visual Studio, ASP.NET, WCF, ADO.NET, Entity Framework, MS SQL, HTML5, CSS, JavaScript, Blazor, React, Vue, Angular, MVC, Web API, ODATA, NUnit, MSTest, Microsoft SQL Server, OWASP
2w
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Senior Software Engineer
Chicago or Peoria or Irving or Dallas or Denver
$113k-$183k/yr OnsiteFull Time
Proven Java/Spring Boot software engineering experience, cloud deployment (AWS/Azure), SQL/ORM, CI/CD and automated testing, microservices, containerization, and mentoring experience; bachelor's degree preferred.
Java, Spring Boot, Hibernate, JPA, Spring Data, SQL, Snowflake, Playwright, Docker, Kubernetes, React, Angular, AWS, Azure
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Sr. Software Engineer
Denver, Colorado, United States
$95k-$135k/yr HybridFull Time
5+ YOERequires 5–7 years of C# and ASP.NET experience, advanced MS SQL skills, enterprise software design, security practices, automated testing, CI/CD pipelines, AI development tools, and mentoring experience.
C#, ASP.NET, MS SQL, GitHub Copilot, Claude, ChatGPT, xUnit, NUnit, Selenium, Playwright, GitLab, TDD, BDD, CI/CD, LLM
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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++
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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
3h
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Software Engineer (Desktop.NET)
Kansas City or Denver or Chicago or Cincinnati or St. Louis or Florida or Iowa or Nebraska or Tennessee
$100k-$140k/yr RemoteFull Time
5+ YOE5+ years of .NET software engineering, strong C# and VB.NET, WinForms, modern .NET, SQL Server/T-SQL, ASP.NET/IIS, testing, Git, CI/CD, NuGet, monitoring, and agile product development experience.
C#, VB.NET, WinForms, .NET Framework, .NET, SQL Server, T-SQL, ASP.NET, IIS, SAP Crystal Reports, JSON, XML, Git, GitHub, NuGet, LINQ, Entity Framework, GitHub Actions, Azure DevOps, PowerShell, REST APIs, Claude Code, Codex
2mo
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Intermediate Quality Software Engineer
Cedar Rapids or Denver or Philadelphia
$73k-$97k/yr HybridFull Time
3+ YOEBachelor’s degree in Computer Science or related field; 3 years in distributed applications, databases, and microservices; 3 years in software quality engineering with automated/manual testing.
Selenium, Cypress, Playwright, Postman, REST-assured, NUnit, JUnit, Cucumber, SpecFlow, Meter, Dynatrace, AppDynamics, Splunk, Git, Jenkins, Azure DevOps, Docker, Kubernetes, OpenShift, AWS, Azure, Cosmos DB, Event Hubs, Data Factory, SQL Data Warehouse, ARM Templates, Angular, React, Vue.js, ASP.NET, HTML, JavaScript, CSS
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Software Engineer III
Denver, Colorado, United States
$99k-$198k/yr OnsiteFull Time
2+ YOEBachelor's in CS or related +2 years experience or 4 years' software engineering experience; proficiency in C/C++, Python, Go, JavaScript; cloud (AWS, GCP); CI/CD, debugging, API design, unit testing, and mentorship experience.
C/C++, Go, Python, JavaScript, AWS, GCP, CI/CD, WCAG 2.2 AA