41 web application engineer jobs at 20 companies in Littleton, CO
2w
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Application Developer - JavaScript
Vienna or Charlotte or Louisville or Minneapolis or Olympia or Philadelphia or Redlands or San Antonio or St. Louis
$84k-$141k/yr OnsiteFull Time
2+ YOE2+ years developing web applications with JavaScript; TypeScript and web framework experience preferred. Bachelor's degree in CS/engineering/math/GIS. Familiarity with digital cartography, EM visualization, code management, and CI/CD.
JavaScript, TypeScript, ArcGIS Maps SDK for JavaScript, ArcGIS Experience Builder, React, Angular, Svelte, Vue, WebGL, CI/CD
2mo
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Engineer II – Ground/Application Software
Broomfield or Westminster or Boulder or Colorado or United States
$79k-$135k/yr OnsiteFull Time
2+ YOEBS in engineering +2 years experience, current Secret clearance with ability to obtain TS/SCI, experience with cloud, containerization, C/C++, Rust, Python, Ruby, web frameworks, databases, UML, and formal software development practices.
CI/CD, Containerization, AWS, Lambda, Docker, Kubernetes, Spring, Jersey, Flask, CherryPy, Ruby on Rails, JavaScript, Angular, React, JavaFX, Python, Qt, C++, Java, Rust, Ruby, SQL, NoSQL, JPA/ORM, PlantUML, Cameo, MATLAB, gtest, ctest, MQTT, AMQP, Kafka, Nginx, Apache, Postgres
3w
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Junior Application Developer
Denver or Springfield or Sterling or St. Louis
$53k-$106k/yr OnsiteFull Time
0+ YOEBachelor's or equivalent, 0–3 years development experience, experience with Java and/or Python, familiarity with web apps and relational databases, TS/SCI clearance with polygraph required.
Java, Python, ArcGIS, GeoServer, OpenLayers, Cesium, Git, CI/CD, containerization
3w
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Junior Application Developer
Denver or St. Louis or Sterling or Springfield
$53k-$106k/yr OnsiteFull Time
0+ YOEBachelor's (or equivalent),0–3 years software development experience,Java and/or Python,web development and relational DB familiarity,TS/SCI clearance with polygraph,teamwork and problem-solving skills.
Java, Python, ArcGIS, GeoServer, OpenLayers, Cesium, Git, CI/CD
2w
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.NET Application Developer (Junior & Mid-Level)
Broomfield, Colorado, United States
HybridFull Time
3+ YOEBachelor's degree in Computer Science, Information Technology, or related field; 3+ years of full-stack application development experience in a large organization; proficiency with .NET, C#, web, database, and integration technologies.
Microsoft .NET Framework, ASP.NET, MVC, Application Programming Interfaces (APIs), C#, Visual Studio, Microsoft SQL Server, RESTful services, Web API, JavaScript, TypeScript, jQuery, JSON, HTML, CSS, XML
1mo
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.NET Application Developer (Junior & Mid-Level)
Broomfield, Colorado, United States
HybridFull Time
3+ YOEBachelor's degree in CS/IT, 3+ years full-stack application development experience, proficiency with .NET/ASP.NET MVC, C#, Visual Studio, SQL Server, web technologies (JavaScript/TypeScript/HTML/CSS), and APIs.
Microsoft .NET Framework, ASP.NET MVC, C#, Visual Studio, Microsoft SQL Server, RESTful services, Web API, XML, JSON, JavaScript, TypeScript, jQuery, HTML, CSS
3mo
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Engineer II – Ground/Application Software
Broomfield or Westminster or Boulder or Colorado or United States
$79k-$135k/yr OnsiteFull Time
2+ YOEBS in engineering or related field plus 2+ years' experience, active Secret clearance required and ability to obtain TS/SCI, experience with cloud, containerization, web and back-end technologies, OOP, UML, and formal software development practices.
CI/CD, Containerization, C/C++, Rust, Python, Ruby, AWS, Lambda, Docker, Kubernetes, Spring, Jersey, Flask, CherryPy, Ruby on Rails, JavaScript, Angular, React, JavaFX, Qt, SQL, NoSQL, JPA/ORM, Java, Cameo, PlantUML, MATLAB, gtest, ctest, MQTT, AMQP, Kafka, Nginx, Apache, Postgres
4w
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IT Business Systems Analyst / Web Developer
Denver, Colorado, United States
$75k-$113k/yr OnsiteFull Time
Experience in business systems analysis, requirements gathering, WordPress development, PHP, JavaScript, HTML, CSS, SQL, MySQL, Linux, Git, Azure DevOps, application support, and production troubleshooting.
Azure DevOps, WordPress, PHP, JavaScript, HTML, CSS, SQL, MySQL, IIS, Apache, Linux, Git, Salesforce
1w
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Software Engineer – Frontend Web Developer
Littleton or Denver
$134k-$181k/yr OnsiteFull Time
4+ YOEBachelor’s degree or equivalent practical experience, 4+ years of software or frontend development, active Top Secret clearance, and experience with frontend applications, JavaScript, APIs, Git, Agile, and accessible interfaces.
HTML5, CSS3, LESS, SASS, Bootstrap, Bourbon, JavaScript, Angular, React, Git, GitHub, GitLab, Rails, Express, Django, RESTful APIs, Jenkins, Puppet, Docker, Kubernetes, D3, SAFe
1mo
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MEP Project Engineer - Data Center Construction
Omaha or Lincoln or Denver or Chicago or Seattle or Portland or Washington
$84k-$126k/yr FieldFull Time
1+ YOEBachelor's in engineering or equivalent experience, current driver's license, 1+ years related experience (level dependent), intermediate Microsoft Office and web application skills, strong communication and project coordination; ability to travel up to 100%.
Microsoft Office
2w
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Staff Engineer, Revenue Cycle
Denver or Dallas or Salt Lake City or Atlanta or Miami or Seattle or Boston or Portland or Austin or Durham or Tampa or Scottsdale
$165k-$180k/yr RemoteFull Time
8+ YOE8+ years building web services or full-stack applications; strong hands-on experience with Ruby/Rails, TypeScript/Node, Python, APIs, PostgreSQL, and MongoDB; mentoring and technical leadership experience; familiarity with LLM/AI toolchains preferred.
Ruby/Rails, TypeScript/Node, Python, MongoDB, PostgreSQL, RESTful, gRPC, Gemini, ChatGPT, Claude, GitHub Copilot, Langchain, Langgraph, LLMs
1w
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Senior Digital Engineer
Wheat Ridge, Colorado, United States
$105k-$131k/yr OnsiteFull Time
5+ YOEBachelor's or equivalent,5+ years software engineering,3+ years web application experience,AWS,Terraform,CI/CD,AI-assisted development,Git; strong architecture, security, and healthcare/regulatory experience preferred.
Claude Code, GitHub Copilot, ChatGPT, Cursor, AWS, Terraform, Docker, Kubernetes, CloudFront, Route 53, Lambda, ECS, EKS, S3, RDS, GitHub Actions, Azure DevOps, Jenkins, React, TypeScript, JavaScript, HTML5, CSS3, Tailwind CSS, Python, .NET Core, REST APIs, GraphQL, Git
1w
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Senior Customer Solutions Engineer
Sunnyvale or Boulder or San Francisco
$152k-$221k/yr OnsiteFull Time
6+ YOEBachelor's in engineering/CS or equivalent,6+ years with client-side web tech and programming,experience troubleshooting partners,EMR not applicable; SQL/NoSQL and systems experience preferred.
HTML, CSS, JavaScript, HTTP, Java, C, C++, Python, SQL, NoSQL, Linux, Unix
2mo
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Sr Lead Engineer - I_Selenium with Java
Denver, Colorado, United States
$80k-$90k/yr OnsiteFull Time
7+ YOERequires 7+ years of experience in automation testing with Selenium and Java, QA processes, web applications, frameworks, CI/CD tools, and collaborative Agile or Waterfall projects.
Selenium, Java, Katalon, SQL, JIRA, QC, REST APIs, TestNG, Maven, Selenium WebDriver, Eclipse, GitHub, Jenkins, VBScript, HP UFT, Cloud
1w
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MuleSoft Developer- Enterprise
Atlanta or Austin or Boston or Charlotte or Chicago or Columbus or Dallas or Denver or Detroit or Grand Rapids or Houston or Kansas City or Miami or Minneapolis or Nashville or New Brunswick or New York City or Orange County or Philadelphia or Phoenix or Portland or Raleigh or San Diego or San Francisco or Seattle or Tampa or Washington
$106k-$154k/yr OnsiteFull Time
Develop MuleSoft API-led integrations; requires programming, enterprise applications, web services, databases, cloud, microservices, data architecture, testing, and agile delivery knowledge.
MuleSoft, Java, C#, Python, JavaScript, NetSuite, SAP, Oracle ERP, Salesforce, Dynamics AX, Dynamics CRM, Workday, WS*, JSON, REST, GraphQL, Microsoft SQL Server, MySQL, PostgreSQL, MongoDB, Hadoop, Scrum
2w
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Engineering - Software Engineer
Kentucky or Florida or Arizona or Colorado or Indiana or Missouri or Georgia or Texas or Alabama
OnsiteFull Time
Experience developing web applications with PHP and related frameworks, MySQL, Git, AWS, container tools (Vagrant/Docker), front-end (HTML5,CSS,Less,jQuery), familiarity with Agile; associates or bachelor's degree preferred; occasional travel.
PHP 5, Symfony, Zend, MySQL, Git, Agile, Amazon Web Services, Vagrant, Docker, jQuery, Less, Bootstrap, CSS, HTML 5, Linux Ubuntu, C#, .NET, React .js, node .js, Doctrine Entity Framework
1mo
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Full Stack Engineer
Denver, Colorado, United States
$95k-$125k/yr HybridFull Time
5+ YOEBachelor's degree, 5+ years JavaScript/TypeScript and web application development experience with Node.js or React.js, strong CS fundamentals, RESTful APIs and MySQL experience, agile delivery and testing skills.
HTML, CSS, JavaScript, TypeScript, Node.js, React.js, MySQL, RESTful APIs, ETL, Agile, Scrum
4w
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Greenfield Full Stack Developer
Tukwila or Denver
$105k-$141k/yr HybridFull Time
2+ YOE2+ years application development experience, full-stack web development, cloud-native architectures, CI/CD, Agile, databases, AI/ML integration, testing and production support.
Codex, PostgreSQL, Azure SQL, MongoDB, Databricks, Kubernetes, AKS, Azure Functions, Azure DevOps, CI/CD
1mo
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Senior Information Security Engineer
Denver or Austin
$165k-$185k/yr HybridFull Time
7+ YOEBachelor's preferred, 7+ years in technology/information/application security; expert with SIEM/EDR, OWASP/SANS flaws, incident response, forensics, automation, cloud and web/mobile security; available for occasional on-call; US work authorization required.
SIEM, EDR, OWASP, SANS, Web Application Firewalls (WAF), SSL/TLS
12h
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Senior Full Stack Developer
Denver, Colorado, United States
$140k-$170k/yr OnsiteFull Time
5+ YOERequires 5+ years of software development experience, full-stack web application expertise, TypeScript, frontend frameworks, backend APIs, advanced SQL, cloud platforms, testing, architecture, technical leadership, and mentorship.
TypeScript, Svelte, React, Vue, HTML, CSS, SQL, ORM, AWS, Azure, GCP, SvelteKit, Next.js, Terraform, AWS CDK, Pulumi, CloudFormation, CI/CD, Docker
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