793 entry level software jobs at 419 companies in Castle Rock, CO
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Software Engineer Level 2 or 3
Aurora, Colorado, United States
$92k-$171k/yr OnsiteFull Time
2+ YOEActive Top Secret/SCI clearance required, bachelor’s degree or equivalent, 2+ years software development experience (level-dependent). Experience with Java, containerization, git, Spring, Vue, Elasticsearch, and Maven.
Java, Docker, Docker-Compose, Kubernetes, git, Spring, Vue, Elasticsearch, Maven, Jenkins, Gitlab
2w
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Software Engineer - Level 2 or 3
Aurora, Colorado, United States
$92k-$171k/yr OnsiteFull Time
2+ YOEActive Top Secret/SCI required, Bachelor's or equivalent experience (2–5 years depending on level), experience in software architecture/design, Agile leadership, technical customer engagement, and familiarity with Jira, Confluence, Perl, and Python.
Jira, Confluence, Perl, Python
1mo
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Modernization Software Engineer (Associate or Mid-Level)
Colorado Springs, Colorado, United States
$99k-$171k/yr OnsiteFull Time
1+ YOEBachelor's degree or equivalent, 1+ years systems/software engineering experience, proficiency with Java, ability to obtain U.S. security clearance, U.S. Person required, experience with web technologies and Agile tools.
Java, Python, C++, React.js, ReactJS, Redux, JavaScript, TypeScript, HTML, CSS, RESTFul APIs, web socket programming, Atlassian Suite, Jira, Confluence, Bitbucket
1mo
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Modernization Software Engineer (Associate or Mid-Level)
Colorado Springs, Colorado, United States
$99k-$171k/yr OnsiteFull Time
1+ YOEBachelor's degree,1+ years software/systems engineering experience,proficiency with Java;knowledge of web technologies,APIs,and secure/agile development practices;ability to obtain U.S. security clearance.
Java, Python, C++, React.js, ReactJS, HTML, CSS, Redux, JavaScript, TypeScript, RESTFul APIs, web socket, Jira, Confluence, Bitbucket
1w
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Entry-Level Estimator
Denver, Colorado, United States
$75k-$95k/yr OnsiteFull Time
1+ YOE1+ years heavy civil estimating experience, ability to read civil plans, perform quantity takeoffs, and use HCSS Heavy Bid and takeoff software; strong communication and analytical skills.
Agtek, HCSS Heavy Bid, Primavera P6, Microsoft Project, Agtek suite, Carlson, Trimble, Microsoft Suite
3mo
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Software Engineer
Aurora, Colorado, United States
$69k-$158k/yr OnsiteFull Time
2+ YOE2+ years in software development; experience with Java, Python, Rust, or Go; microservices; TS/SCI clearance; bachelor's degree.
Java, Python, Rust, Go, Linux, Docker, Kubernetes, AWS, Azure, Google
1w
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Jr. to Mid-level Software Engineer - Boulder, CO
Boulder, Colorado, United States
$110k-$138k/yr OnsiteFull Time
2+ YOEProficiency in C/C++, Python, Linux, and OOP; experience with algorithm development, state estimation, and data analysis; ability to travel up to 10%; active DoD Secret clearance required to start.
Linux, C, C++, Python, Java, Jira, Git, Conan, CMake, Nexus, Bash, grep, awk, cat, head, Confluence, Bitbucket
2mo
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Software Engineer
Denver, Colorado, United States
OnsiteFull Time, Internship
Bachelor's degree in CS or related field; software development across Mac/Windows/Linux; ability to learn new technologies; U.S. Citizenship.
Java, OSGi, Karaf/ServiceMix, Camel, ActiveMQ, Cassandra, Lucene/Solr, SoapUI, Enterprise Integration standards (WS-*), GeoTools, JavaScript, HTML5, CSS3, Less/Sass, Backbone, Marionette, React, Redux, Bootstrap, Handlebars, Cesium, Ozone Widget Framework (OWF), Ozone Platform (OZP), Grunt, Bower, NPM, WebPack, XML, XSD, XSLT, XPath, XQuery, Geospatial (OGC), CometD, WebSockets, Agile, Scrum processes or tools, Eclipse/IntelliJ, Maven, JUnit, CXF SOAP and REST web services, Git/Stash, JIRA, Confluence, Crucible, Jenkins, SonarQube
2w
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Software Engineer - Activity & Fitness, Watch Software
Boulder, Colorado, United States
OnsiteFull Time
Design and build fitness and mindfulness features, collaborate across software and hardware teams to create integrated user experiences.
3w
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Software Engineer II
Lone Tree or Englewood
$108k-$149k/yr HybridFull Time
2+ YOEBachelor's degree in CS or related,2+ years software development experience,advanced proficiency in C#,knowledge of software engineering principles,ability to work in multi-disciplinary teams.
C#, C, C++, Java
17h
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Software Engineer, Wallet
Menlo Park or New York City or Bellevue or Washington or Denver or Westlake or Chicago or Lake Mary or Clearwater or Gainesville
$166k-$195k/yr HybridFull Time
2+ YOE2+ years of software development experience; backend expertise in Go, Python, or Java; cloud-native architecture, system design, data modeling, and software engineering fundamentals required.
Go, Python, Java, EVM blockchains, smart contracts
16h
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Software Engineer
Bethesda or Colorado Springs
$120k-$140k/yr HybridFull Time
2+ YOERequires 2+ years with Linux and C++17, software design and development experience, Git, CMake, and strong analytical skills. Bachelor's degree in a related technical field required.
C++, Linux, Git, CMake, Boost, Google Test, Google Mock, Python
2d
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Software Engineer II
Seattle or Denver
$124k-$189k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
2+ YOE2+ years professional software development, Bachelor's in CS or equivalent experience, proficiency in Python, TypeScript, Ruby or C#, backend and frontend web frameworks, SQL, and modern software practices.
Python, TypeScript, Ruby, C#, Next.js, Ruby on Rails, Laravel, Django, Flask, HTML, CSS, JavaScript, JSX, React, Tailwind, Material UI, Bootstrap, REST, GraphQL, SQL, JIRA, Gitlab, Confluence, Linux, Docker, Kubernetes, AWS, S3, RDS, EC2
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
2w
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Software Engineer
Colorado Springs or Irvine or Longmont or Fremont or Rochester or San Jose
$111k-$148k/yr OnsiteFull Time
0+ YOEPursuing or recent Bachelor's/Master's in a technical field; experience with C/C++, Python, Java, Go, SQL, or JavaScript through coursework or internships; familiarity with software fundamentals, debugging, and development tools.
C, C++, Python, Java, Go (Golang), SQL, JavaScript, Microsoft Office, Git, Linux, IDEs
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
1mo
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Software Engineer
Denver, Colorado, United States
$140k-$170k/yr HybridFull Time
2+ YOE2+ years .NET and frontend experience, TypeScript, REST APIs, SQL experience, familiarity with GitHub and VS Code, CS/Software Engineering education or equivalent, strong communication and problem-solving skills.
.NET, .NET Core, ASP.NET Core, Web/REST APIs, React, Vue, Angular, Svelte, Typescript, SQL Azure, SQL Server, PostgreSQL, Unknit, MSTest, GitHub, Microsoft Visual Studio Code, Microsoft Visual Studio, Cognition AI’s Devin, Cline, Replit, Cursor, Docker, Azure, AWS, GCP, GitHub Copilot, Windsurf, Codex, Azure OpenAI, Anthropic, OWASP Top 10, SOLID
1mo
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Software Engineer
Colorado Springs or Boston
HybridFull Time
1+ YOEUS citizen with active Secret clearance, B.S. in a STEM field, 1+ years software development experience; proficiency in TypeScript/Python/Java/C++/Rust/Julia, React, REST APIs, and writing tested, maintainable code.
TypeScript, Python, Java, C++, Rust, Julia, React, Cesium, Resium, Electron, MATLAB, NumPy, SciPy, GeoJSON, CZML, React Testing Library
1mo
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Software Engineer
Westminster, Colorado, United States
$74k-$137k/yr HybridFull Time
1+ YOEBA/BS in CS, 1-3 years big-data/software development; proficient in Scala, Python, or Java; strong Apache Spark and Databricks experience preferred; AWS and modern data tooling (Kubernetes, Docker, Airflow) experience.
Scala, Python, Java, Databricks, Apache Spark, Hadoop, Hive, Kubernetes, Docker, MWAA, Airflow, AWS, Git, SQL, Delta Lake, Unity Catalog
2mo
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Software Engineer
Littleton, Colorado, United States
$77k-$135k/yr OnsiteFull Time
2+ YOEBS in CS/SE/CE or equivalent STEM, 2+ years professional experience with Java, C++, C#, or Python, software design/testing experience, Agile experience, and ability to obtain TS/SCI clearance (U.S. citizenship required).
Java, C++, C#, Python, Git, Gitlab, JIRA, Atlassian, Microsoft Visual Studio, Qt, ActiveMQ
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