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Javascript Developer Jobs in Longmont, CO, US
250+ javascript developer jobs from 140+ companies hiring in Longmont, CO, US.
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Full Stack Engineer - Python & JavaScript
Denver, Colorado, United States
$136k-$204k/yr OnsiteFull Time
2+ YOE2+ years in production codebase; proficient in JavaScript and Python; experience with AngularJS and Django; scalable, relational DB knowledge; problem solving and user focus; fast-paced startup environment.
JavaScript, Python, AngularJS, Django, Relational Databases
3w
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ServiceNow Developer IV
Fort Collins, Colorado, United States
$120k-$130k/yr HybridFull Time
7+ YOE7+ years software development with front-end and server-side focus; JavaScript, React/AngularJS, Node.js; ServiceNow development and integrations; GIS and ESRI knowledge preferred.
JavaScript, HTML, CSS, React, AngularJS, Node.js, ServiceNow, ESRI, Python, GIS
3w
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ServiceNow Developer IV
Fort Collins, Colorado, United States
$120k-$130k/yr RemoteFull Time
7+ YOE7+ years software development; front-end and mid-tier; ServiceNow; JavaScript; GIS/ESRI; MVC; Agile; remote-capable.
JavaScript, React, AngularJS, Node.js, ServiceNow, ESRI GIS, Python, MVC Framework, HTML5, CSS
3w
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ServiceNow Developer IV
Fort Collins, Colorado, United States
$120k-$130k/yr HybridFull Time
7+ YOE7+ years software development; front-end with MVC; JavaScript/HTML5/CSS; Agile; able to work remotely; US citizenship proof; bachelor’s in CS.
JavaScript, HTML5, CSS, React, AngularJS, Node.js, ServiceNow, ESRI GIS, Python
2w
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Senior Software Engineer
Warrenton or State College or Fort Eisenhower or Centennial
OnsiteFull Time
Strong Java and JavaScript/TypeScript skills; full-stack development; experience with Java, Python, JavaScript, Angular, React, ElasticSearch; BS in CS/CE/EE.
Java, Python, JavaScript, TypeScript, Angular, React, ElasticSearch, Docker, Kubernetes, Redis, REST, NoSQL, SQL, Xmidas
2mo
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Senior Cloud Developer - Virtualization
Fort Collins or Spring or Andover
$144k-$273k/yr HybridFull Time
7+ YOESenior cloud developer with 7-10 years of experience in cloud architectures and microservices; proficient in Python, Java, Golang, or JavaScript; Kubernetes experience.
Python, Java, Golang, JavaScript, Kubernetes, Docker, Microservices, Cloud-native
2mo
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Principal Cloud Developer
Fort Collins, Colorado, United States
$152k-$349k/yr HybridFull Time
10+ YOESenior cloud developer with 10+ years experience in Python/Java/Golang/JavaScript; strong design and leadership skills; cloud security knowledge.
Python, Java, Golang, JavaScript
1mo
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UI/UX Developer
Aurora or Herndon
$85k-$152k/yr HybridFull Time
2+ YOEFrontend developer with 2-5 years of experience, proficient in JavaScript/TypeScript, and Bachelor’s degree in a related field; TS/SCI clearance preferred.
TypeScript, JavaScript, CSS/SCSS, HTML5, Vue.js, React, Angular, Git, Jira, Cypress, D3.js, Cesium, RxJS, SCSS, Bootstrap, Sketch, Figma
1w
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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
2mo
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Software Engineer
Fort Collins, Colorado, United States
$144k-$273k/yr HybridFull Time
7+ YOEBachelor’s or Master’s in CS/Engineering/IS; 7-10 years’ experience; strong Python/Java/Golang/JavaScript; microservices and Kubernetes; cloud-native development.
Python, Java, Go, JavaScript, Kubernetes, Docker, Cloud platforms, Microservices
2mo
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GIS Lead Developer
Denver, Colorado, United States
$92k-$118k/yr OnsiteFull Time
5+ YOE5+ years GIS development; Python, JavaScript/TypeScript, SQL; PostgreSQL/PostGIS; Snowflake; ArcGIS; data pipelines; UI/UX; cross-functional collaboration.
Python, JavaScript, TypeScript, SQL, PostgreSQL, PostGIS, Snowflake, ArcGIS, Dataiku, Leaflet, React, Git
1mo
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MS Power Pages Developer
Denver, Colorado, United States
$60k-$180k/yr RemoteFull Time
Experience developing portals with Microsoft Power Pages; strong Power Platform knowledge; HTML, CSS, JavaScript; Dataverse integration; team collaboration.
Microsoft Power Pages, Power Platform, HTML, CSS, JavaScript, Dataverse
3mo
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SYSTEMS SOFTWARE Developer 5
Denver, Colorado, United States
$133k-$166k/yr OnsiteFull Time
12+ YOE12+ years web/mobile development; JavaScript/React/Node; IoT, cloud, security know-how; BS in CS/IS/Engineering; US work authorized.
JavaScript, React, React Native, Node.js, Python, HTML, CSS
1mo
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Senior Engineer-Software
Englewood, Colorado, United States
$164k/yr OnsiteFull Time
5+ YOEBachelor’s degree in CS, CIS, or Engineering plus 5 years of software development experience; full stack with Java, React, JavaScript/TypeScript; REST services; UI and backend development.
Java, React, JavaScript, TypeScript, Webpack, Node, REST, ASP.NET MVC, SQL Server, Angular, Microservices, AWS, PowerShell
6d
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Software Engineer (Full Stack)
Denver, Colorado, United States
$125k-$165k/yr HybridFull Time
6+ YOESenior software developer with 6-10 years of experience in C#, JavaScript, React, .NET, and SQL; strong SDLC, Agile, and problem solving.
C#, JavaScript, React, .NET Core REST, SQL, Git, Jira, TeamCity, Octopus, SQL Server
1mo
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Staff Software Engineer, Core Platforms
Denver or New York or San Francisco or United States
$163k-$247k/yr HybridFull Time
8+ YOE8+ years software development; scalable platforms; Ruby on Rails; JavaScript/React; AI tooling; mentorship; ownership
Ruby on Rails, JavaScript, React
1mo
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Senior Robotics Engineer - ROS2 - Autonomous Vehicles
Arvada, Colorado, United States
$100k-$250k/yr OnsiteFull Time
Proficiency in C++, JavaScript, ROS2, real-time systems; AWS; Git; sensor fusion/navigation; onboard/offboard software development.
ROS2, C++, JavaScript, AWS, Git
4d
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Senior Software Engineer, Truework
San Francisco or Denver or San Francisco or Nashville or Santiago
$185k-$218k/yr HybridFull Time
5+ YOE5+ years software development; Python and JavaScript; RESTful APIs; Bachelor’s degree or equivalent; strong communication; ownership and collaboration; eager to learn.
Python, JavaScript, REST API
2mo
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Software Developer
Denver or Shelton
$70k-$90k/yr OnsiteFull Time
2+ YOEBachelor’s degree in computer science (preferred); 2-3 years experience; PHP, HTML5, JavaScript; Jira; MySQL; ability to learn quickly and work in a team.
PHP, HTML5, JavaScript, Jira, MySQL
3w
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Full Stack Web Developer
Denver, Colorado, United States
$90k-$190k/yr OnsiteFull Time
5+ YOE5+ years in web development; strong React.js and JavaScript/TypeScript; backend with Flask (Python) and Express.js (Node); PostgreSQL and RESTful APIs; Git; TS/SCI clearance required.
React.js, Flask, Express.js, PostgreSQL, Python, HTML5, CSS3, TypeScript, JavaScript, Git, Docker, WebSockets, Tailwind CSS, SQLAlchemy, Prisma, Drizzle, Redis, ORM
6d
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Software Sr Developer, Marketing and Communications
Denver, Colorado, United States
$78k-$119k/yr HybridFull Time
7+ YOE7+ years software development; strong TypeScript/JavaScript, React, Node.js; experience with REST APIs, middleware, and CI/CD; healthcare interoperability a plus.
React, Node.js, TypeScript, JavaScript, PHP, WordPress VIP, Fuse, GCP, Microsoft SQL Server, Google Cloud SQL, Jenkins, Git, Docker, Kubernetes, Jira, Bitbucket, Confluence
2mo
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Staff Engineer - Front End
Austin or Madison or Denver
$114k-$143k/yr HybridFull Time
5+ YOE5+ years of UI-focused development with React/Remix; strong JavaScript skills; experience with component libraries, testing, accessibility (WCAG); ability to migrate UIs and ship high-quality front-end features.
React, Remix, JavaScript, Accessibility testing tools, Component library
1w
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GIS Developer Analyst (Key Personnel)
Washington or Albuquerque or Germantown or Denver
HybridFull Time
3+ YOEBachelor's degree in GIS/Geography/CS or related field; 3–5 years GIS development; Python/JavaScript/C#/Java; geospatial analysis; DOE Q clearance; emergency management experience preferred.
ArcGIS Pro, ArcGIS Online, Experience Builder, Survey123, Python, JavaScript, ArcPy, ArcGIS SDKs, C#, Java
1w
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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
2w
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Full Stack Engineer
Livermore or Lehi or Longmont
RemoteFull Time
5+ YOE5+ years of full-stack software development; strong React, JavaScript, HTML/CSS; Python backend; PostgreSQL; AWS; REST APIs; CI/CD; Docker/Kubernetes; Jira/Bitbucket/GitHub; Agile.
React, JavaScript, HTML, CSS, Python, PostgreSQL, Elasticsearch, AWS, Docker, Kubernetes, REST API, CI/CD, JIRA, Bitbucket, GitHub, VS Code, Terraform, AWS CDK
4w
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Senior Software Engineer, Network Tools with Python
Denver, Colorado, United States
$113k-$174k/yr OnsiteFull Time
7+ YOE7+ years in software development; strong Python, JavaScript, SQL, GraphQL; experience with databases; network protocols; automation tools; Linux; Docker; communication and collaboration skills.
Python, Javascript, SQL, GraphQL, Postgres, MySQL, MongoDB, Oracle, Docker, Ansible, Terraform, ServiceNow, Jira, Confluence, Google Suite
1mo
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Software Engineer, Mobile (React Native)
Denver, Colorado, United States
$127k-$164k/yr HybridMultiple Commitments Available
3+ YOE3-4 years mobile development experience; React Native; React/Redux; JavaScript/TypeScript; iOS/Swift/ObjC; Android/Java; HTML/CSS; CI/CD; REST APIs.
React Native, React, Redux, JavaScript, TypeScript, iOS, Android, HTML, CSS, Jest, Detox, React Testing Library, CircleCI, BrowserStack, Git, REST APIs, OAuth2
1w
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Integration Developer/UX Eng. Conversational AI & Immersive Character
Bethesda or Fort Worth or Highlands Ranch or King of Prussia or Orlando
$109k-$217k/yr RemoteFull Time
Full-stack developer with UX focus; expert in JavaScript/TypeScript, Unity or Unreal, and AI/ML concepts; strong communication and documentation skills.
JavaScript, TypeScript, React, Angular, Vue, Unity, C#, Unreal Engine, Blueprints, C++, Git, CI/CD, API, REST, WebSocket, gRPC, SDK, Nexus
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
3w
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Sr. Software Engineer - Ruby
Boston or Broomfield or Colorado or Connecticut or Florida or Georgia or Illinois or Indiana or Maine or Massachusetts or New Hampshire or New Jersey or North Carolina or Ohio or Pennsylvania or Rhode Island or Texas or United States
$145k-$175k/yr HybridFull Time
Strong Ruby on Rails, JavaScript; APIs; cross-stack; collaborate and deliver from concept to completion.
Ruby on Rails, JavaScript, APIs, AWS, Turbo, Stimulus
18h
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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
3w
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Software Developer
Chicago or Philadelphia or Orlando or Atlanta or Cleveland or Columbus or Cincinnati or Los Angeles or Dallas or Denver
$110k-$150k/yr HybridFull Time
5+ YOE5+ years in software development; React, TypeScript, cloud platforms; API design; Azure; DevOps; AI integration.
React, TypeScript, JavaScript, HTML5, CSS3, Node.js, Python, C#, GraphQL, Azure, Git, OpenAI
1mo
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Sr. Front End Developer (Denver Area)
Centennial, Colorado, United States
$104k-$151k/yr OnsiteFull Time
5+ YOE5+ years front-end development with HTML5, CSS, JavaScript; proficient with React/Angular/Vue; map/data visualization; W3C compliance; strong collaboration with design teams; onsite in Centennial, CO; US citizen with active Top Secret clearance and SCI eligibility.
React, Angular, Vue, HTML5, CSS, JavaScript, D3.js, W3C
4d
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Automation Engineer
Denver, Colorado, United States
$80k-$120k/yr HybridFull Time
4+ YOE4+ years in modern test automation; strong programming in TypeScript/JavaScript/Java/Python; design/build of scalable test frameworks; CI/CD experience; cloud experience (AWS/Azure/GCP).
Playwright, Selenium, JUnit, TestNG, TypeScript, JavaScript, Java, Python, GitHub Actions, GitLab, Azure DevOps, AWS, Azure, GCP
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
2w
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NetSuite Business Systems Engineer
Denver, Colorado, United States
$95k-$102k/yr HybridFull Time
4+ YOE4+ years NetSuite development/administration; BS in CS or related field; experience with ARM, ZAB, JSON/XML, REST/SOAP, JavaScript/TypeScript, SuiteScript, SDF; GAAP/ASC 606; SOX controls; cross-functional collaboration.
SuiteScript, SuiteFlow, SuiteTalk, SDF, SuiteQL, Map/Reduce, REST, SOAP, JSON, XML, JavaScript, TypeScript
1w
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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
3w
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ServiceNow Developer IV
Fort Collins, Colorado, United States
$120k-$130k/yr HybridFull Time
7+ YOESenior software developer with ServiceNow expertise; 7+ years in front-end and mid-tier development; strong JS/HTML/CSS; GIS/ESRI knowledge preferred.
JavaScript, Node.js, React, AngularJS, HTML5, CSS, ServiceNow, MVC, Python, ESRI JavaScript API, Web Services
1w
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Deployed Engineer (Denver)
Denver, Colorado, United States
$150k-$250k/yr RemoteFull Time
3+ YOE3+ years in a relevant technical role; strong Python and JavaScript; experience with agent-based or LLM-powered apps; comfortable with customer work; production AI agents; startup/scale-up background.
Python, JavaScript, LangChain, LangGraph, AWS, GCP, Azure, Kubernetes, Containers
6d
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Contract Software Developer (Tech Coder)
Aurora, Colorado, United States
$60-$85/hr OnsiteFull Time
Proficient in C#/.NET Core or Python; strong JavaScript (React/Angular); SQL; mortgage software; secure coding; JIRA and Agile; data encryption knowledge.
C#, .NET Core, Python, JavaScript, SQL, JIRA
HiringCafe market data
Javascript Developer Jobs market signals in Longmont, 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
250+
Hiring companies
140+
Fresh sample
60% new in 30d
Salary visibility
87% show pay
Companies appearing in this market
Hewlett Packard EnterpriseCACIEchoStarGoogleLockheed MartinAltamira TechnologiesCheckrBayview Asset Management
Work location mix in visible results
Hybrid: 34Onsite: 25Remote: 11