223 junior software developer jobs at 112 companies in Lyons, CO
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
2d
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Junior Software Engineer
Englewood or Denver
$75k-$85k/yr OnsiteFull Time
2+ YOERequires 2-4 years of software engineering, Azure cloud development, full-stack development, containers, RESTful APIs, modern programming languages, CI/CD, security, Agile/Scrum, and Azure services experience.
Azure, Kubernetes, Azure Kubernetes Service, React, Angular, .NET Core, Node.js, C#, TypeScript, Git, Azure DevOps, Cosmos DB, Microsoft SQL Server, Azure SQL Database, Web Apps, API Apps, Logic Apps
2mo
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Junior Software Engineer
Denver, Colorado, United States
$70k-$145k/yr HybridFull Time
Bachelor's in Computer Science (required), strong software development skills with C#, Angular, HTML5, CSS3, Entity Framework, SQL/NoSQL, GitHub; excellent communication and analytical skills; 3.5+ GPA preferred.
C#, SQL, Entity Framework (EF), Angular, ASP.NET, HTML5, CSS3, GitHub, NoSQL
1mo
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Junior Software Engineer
Denver or Springfield or Sterling or St. Louis
$69k-$142k/yr OnsiteFull Time
0+ YOEBachelor's in CS or related, 0–3 years software development experience, Java and/or Python, web app and relational DB familiarity, Agile/SDLC knowledge, strong problem solving, TS/SCI clearance with polygraph.
Java, Python, GIS, ArcGIS, GeoServer, OpenLayers, Cesium
1mo
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Junior Software Engineer
Denver or St. Louis or Sterling or Springfield
$69k-$142k/yr OnsiteFull Time
0+ YOEBachelor's in CS/Software/IS required; 0–3 years software development experience; experience with Java and/or Python; familiarity with web development, relational databases, SDLC/Agile; TS/SCI clearance with polygraph; up to 10% travel.
Java, Python, ArcGIS, GeoServer, OpenLayers, Cesium
2mo
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Junior Developer (TS/SCI with CI Poly Required)
Aurora, Colorado, United States
$60k-$75k/yr OnsiteFull Time
1+ YOE1-2 years software development; TS/SCI with CI Poly clearance; Go or modern languages; REST APIs; microservices; Docker; Kubernetes; CI/CD; Git; Agile.
Go, Docker, Kubernetes, Git, Angular, Traefik, Helm, GitLab
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
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
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
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
2d
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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
4d
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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
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
3d
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Associate Software Engineer
Denver, Colorado, United States
$105k-$125k/yr HybridFull Time
0+ YOEBachelor's degree or equivalent practical experience; 0–2 years of software engineering experience; proficiency in C#, JavaScript/TypeScript, Python, or Java; Git and software development fundamentals.
C#, JavaScript, TypeScript, Python, Java, Git, .NET, REST APIs, AWS, Microsoft Azure, Cursor, GitHub Copilot
3w
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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
2mo
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Software Engineer
Littleton, Colorado, United States
$75k-$95k/yr OnsiteFull Time
Experience in C/C++, full software lifecycle, US citizenship, ability to obtain security clearance.
C, C++, RTOS, GreenHill, VxWorks, MBSE, Agile
2mo
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Ground Software Engineer
Littleton, Colorado, United States
$77k-$135k/yr OnsiteFull Time
1+ YOEActive TS/SCI clearance, BS degree, 1+ years software engineering experience; strong software development background with Agile/DevSecOps practices and experience with Java, C#, Rust, Python, cloud/containerization, and distributed systems.
Java, C#, Rust, Angular, Python, Apache Kafka, Apache ActiveMQ, ELK Stack/OpenSearch, PostgreSQL, Redis, Helm, Kubernetes, Git, DevSecOps, CI/CD
1mo
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Software Development Engineer
Westminster, Colorado, United States
$82k-$120k/yr OnsiteFull Time
1+ YOEBachelor's in CS or related, 1+ years professional software development, hands-on Python and/or C++, experience with Flask, Kubernetes on AWS, Docker, relational and NoSQL databases, CI/CD (Jenkins preferred), and Agile practices. Must be a U.S. Person.
Python, C++, Flask, Kubernetes, AWS, Docker, PostgreSQL, SQL, NoSQL, Jenkins
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