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Javascript Developer Jobs in Keystone, CO, US
29 javascript developer jobs from 17 companies hiring in Keystone, CO, US.
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Software Engineer - Web Developer (TS Clearance CI Poly Eligible)
Littleton, Colorado, United States
OnsiteFull Time
Frontend web development, JavaScript, RESTful APIs, Agile, Git, 508 compliance, rapid learning, open-source, full-stack templates.
HTML, CSS, LESS, SASS, Bootstrap, JavaScript, jQuery, Backbone.js, Ember.js, D3, REST API, Git, GitHub, Rails, Express, Django, Kubernetes, Docker, Puppet, Jenkins
2w
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Marketing Web Developer
Irvine or Lakewood or Las Vegas or Mesa or Provo or San Diego or Seattle
$133k-$175k/yr HybridFull Time
4+ YOE4 years React/Typescript/JavaScript; Bachelor's degree or equivalent; experience with A/B testing and analytics platforms.
React, Typescript, JavaScript, Optimizely, Google Analytics 4, Google Tag Manager, BigQuery, Contentful, Sanity, KMS Lighthouse, Python
1w
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Front End Engineer II - Reporting
Boulder, Colorado, United States
$103k-$170k/yr HybridFull Time
2+ YOE2-4 years software development; proficient in React and JavaScript/TypeScript; experience building enterprise services; BS/MS in CS or related field or equivalent experience
React, JavaScript, TypeScript, C#, Java, NodeJS, SQL
1d
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Senior Software Engineer
Boulder, Colorado, United States
$145k-$165k/yr RemoteFull Time
Software development experience with C# and JavaScript/React; GitLab; Agile/Scrum; satellite systems experience; security clearance preferred.
C#, JavaScript/React, GitLab, Jira, Confluence
2w
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Senior Staff Software Engineer, Front End, Google Workspace
Boulder or New York
$262k-$365k/yr OnsiteFull Time
8+ YOEBachelor's degree or equivalent; 8 yrs software development; 7 yrs frontend (JavaScript/TypeScript, Java, Kotlin); 5 yrs design/architecture; experience with frontend frameworks, full-stack or API development.
JavaScript, TypeScript, Java, Kotlin, Frontend frameworks, API development, Full-stack development
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Software Engineer
Boulder, Colorado, United States
$100k-$130k/yr RemoteFull Time
2+ YOE2-3 years software engineering; BS in CS/CE or related; proficient in JavaScript/TypeScript; React; backend in FastAPI/Node.js/Django; REST APIs; PostgreSQL; cloud (Azure/AWS); Docker; geospatial knowledge a plus; strong communication.
JavaScript, TypeScript, React, HTML/CSS, FastAPI, Node.js, Django, REST APIs, PostgreSQL, Azure, AWS, Docker, ArcGIS, Leaflet, Mapbox
3d
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Test Automation Engineer
Boulder, Colorado, United States
$113k-$168k/yr OnsiteFull Time
5+ YOE5+ years in test automation or software/software engineering; strong Python/JavaScript; API/microservice testing; Linux; Git; CI/CD; DoD clearance potential.
Python, JavaScript, Linux, Git, CI/CD, APIs, Docker, Kubernetes, OpenShift
3mo
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Experienced Software Engineer - AI Tools
Chicago or Austin or Boulder or London or New York City or Seattle
$200k-$300k/yr HybridFull Time
5+ YOEBachelor's in CS/CE or related field; Python required; C++/JavaScript a plus; experience with AI tooling; UNIX/Linux knowledge; strong design and debugging skills.
Python, C++, JavaScript, TypeScript, React, UNIX/Linux, AI tooling
3w
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Senior Software Developer
Louisville, Colorado, United States
$118k-$144k/yr OnsiteFull Time
5+ YOE5+ years of professional software development; strong SQL; Python; Git; REST APIs; pytest or similar testing; CI/CD experience; ability to own features end-to-end.
Python, SQL, Git, REST APIs, pytest, JavaScript, TypeScript, Node.js, CI/CD, GitLab CI
2mo
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Senior Lead Software Engineer
Lakewood, Colorado, United States
$95k-$130k/yr OnsiteFull Time
10+ YOELead software engineering with 10+ years of experience, strong design, mentoring, and expertise in PHP, JavaScript/NodeJS, AWS, MySQL, Java/Kotlin, Objective-C/Swift, Docker, Apache, OpenAPI, and Harness.
PHP, JavaScript, AWS, MySQL, Java, Kotlin, Objective-C, Swift, Docker, Apache, OpenAPI, Harness
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Middle Software Developer - C#, .NET
Santiago, 12, Chile
OnsiteFull Time
3+ YOEBachelor’s degree in computer science or related field with 3+ years’ software engineering experience; full-stack ASP.NET MVC, C#, and .NET; front-end tech (HTML, CSS, JavaScript, etc.); back-end skills (WCF, APIs, SQL Server, T-SQL); AWS/Azure DevOps desirable; Git/GitHub; IIS; remote Agile experience.
ASP.NET, MVC, Visual Studio, .NET, C#, HTML, CSS, JavaScript, jQuery, XML, JSON, Ajax, WCF, SOAP, REST, Entity Framework, LINQ, SQL Server, Transact-SQL, Git, GitHub, IIS, AWS, Azure DevOps
2mo
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Advisory Software Engineer
Boulder, Colorado, United States
$93k-$110k/yr OnsiteFull Time
5+ YOEMS in CS/CE/EE or related field; 5+ years in software development; strong C/C++, Rust, Python; Linux IPC; AI/ML experience; Agile; travel up to 10%
C++, Rust, Python, Git, CI/CD, SQL, Java, JavaScript, AWS, Django, ReactJS, Linux
1mo
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Sr. AI Software Engineer
Herndon or King of Prussia or Littleton
OnsiteFull Time
Python development, cloud platforms, TS/SCI clearance, ML frameworks, CI/CD, front-end basics, RF/SAR/EO image processing is a plus.
Python, AWS, Azure, GCP, CI/CD, Jenkins, GitLab, TensorFlow, PyTorch, Scikit-learn, JavaScript
3w
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Engineer Senior - Digital Test Developer
Westminster, Colorado, United States
$97k-$165k/yr OnsiteFull Time
4+ YOEBS in Engineering or related field with 4+ years of experience; full stack web/app development; backend API design; frontend development and data modeling; CI/CD; security practices; eligible for TS/SCI clearance.
Ruby, Ruby on Rails, Node.js, JavaScript, Python, Linux, Windows, BASH, PowerShell, Docker, Podman, Veristand, LabVIEW, VHDL, OpenC3 COSMOS, Redis, Traefik, Minio, SQL, NoSQL, Keycloak, OpenC3 COSMOS, Git
2mo
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Principal Engineer
Lakewood, Colorado, United States
$160k-$180k/yr HybridFull Time
10+ YOE10+ years of software development with strong algorithm design; advanced degree (Master’s or PhD) in CS/Math/Engineering required; expertise in C#/.NET Core, Angular, TypeScript; Azure, Docker; ML/AI algorithms; data modeling; front-end and mobile exp; strong math background.
C#, .NET Core, Ionic, Angular, TypeScript, Azure Functions, WebApi, Azure SQL, CosmosDB, Docker, CI/CD, RESTful APIs, HTML5, CSS3, JavaScript
3d
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Controls Engineer III
Boulder, Colorado, United States
$95k-$135k/yr OnsiteFull Time
5+ YOEBachelor's in electrical/automation engineering; 5+ years in controls and data acquisition; proficiency in programming languages; strong instrumentation knowledge; experience with industrial automation protocols; ICS design expertise; safety program implementation.
Siemens S7 PLC (TIA Portal), Ignition HMI & SCADA, Modbus, Profibus, Ethernet/IP, RS-485, SolidWorks Electrical, Python, C/C++, C#, JavaScript
1w
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Engineer Principal – Systems Test, Space Vehicle Assembly, Test and Launch Operations (AI&T / ATLO)
Boulder, Colorado, United States
$118k-$201k/yr OnsiteFull Time
6+ YOEBS in engineering with 6+ years related experience; higher degrees may substitute; experience testing spacecraft and RF systems.
MS Office, COSMOS Command and Control Software, GitLab, RF GSE, Spectrum Analyzers, Power Meters, JavaScript, Python, Ruby, Go
1w
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Engineer Principal – Systems Test, Space Vehicle Assembly, Test and Launch Operations (AI&T / ATLO)
Boulder, Colorado, United States
$118k-$201k/yr OnsiteFull Time
6+ YOEBS in engineering or related field; 6+ years experience in spacecraft/testing; RF testing, C2 systems, simulators; test planning, cost/schedule estimation; leadership and mentoring; MS Office proficiency
Python, JavaScript, COSMOS, GitLab, RF GSE, Spectrum Analyzers, Power Meters, Command and Control Software, Test automation tools
1mo
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Postdoctoral Scholar - Mines NIST PREP Lead Data Infrastructure Engineer
Boulder or Golden
$71k/yr OnsiteFull Time
Doctoral degree in CS, statistics, physics, or related field; proven cross-disciplinary leadership; experience in scientific computing, data management, and ML; US citizen preferred.
Python, DevOps, Docker, Kubernetes, Linux, Bash, AWS, JSON, XML, HTML, JavaScript, CSS
1mo
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SharePoint & AI Solutions Architect
Glendale, Colorado, United States
$150k-$180k/yr OnsiteFull Time
5+ YOE5+ years SPFx development; 3+ years Azure; Bachelor's in CS/IT; strong C#, .NET, JavaScript/TypeScript; Azure certifications preferred; experience Copilot.
SPFx, React, TypeScript, Azure Functions, Logic Apps, Azure SQL, Power Automate, Microsoft Graph, Purview, Entra ID, Copilot
HiringCafe market data
Javascript Developer Jobs market signals in Keystone, CO, US
These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.
Open jobs
29
Hiring companies
17
Fresh sample
63% new in 30d
Salary visibility
85% show pay
Companies appearing in this market
BAE SystemsGoogleLockheed MartinSciTecThe Trade DeskAuriaBeecan HealthCableLabs
Work location mix in visible results
Onsite: 19Hybrid: 5Remote: 3