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Javascript Developer Jobs in Denver, CO (NOW HIRING)

Quantix

JavaScript Developer

Denver, CO · On-site

JavaScript Developer Location: Denver, CO Type: Direct Hire Our client in the Denver, Colorado area is looking for a JavaScript Developer to join their team on a Direct Hire basis. This person will ...

Quantix

JavaScript Developer

Westminster, CO · On-site

Our client is looking to hire several JavaScript developers to join their team on a direct hire basis. This team will work on JavaScript development in the browser, not utilizing a framework. A ...

Quantix

Java / JavaScript Engineer

Lakewood, CO · On-site

$51.75 - $71/hr

Java / JavaScript Engineer Location: Lakewood, CO Type: Direct Hire Client located in Lakewood, Colorado is seeking a Java / JavaScript Engineer for a direct hire position. This position will ...

Baker

Senior Full Stack Developer (Node.js)

Denver, CO · On-site

$100K - $150K/yr

Baker is looking for an experienced full-stack (Javascript) developer to help us continue to grow our product. This person will work directly under the VP of Engineering to own and help move forward ...

Baker

Senior Full Stack Developer (Node.js)

Denver, CO

$100K - $150K/yr

Baker is looking for an experienced full-stack (Javascript) developer to help us continue to grow our product. This person will work directly under the VP of Engineering to own and help move forward ...

Cymertek

Full Stack Developer

Aurora, CO · On-site

Full Stack Developer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this ... HTML, CSS, JavaScript expertise * Proficiency in frameworks (e.g., React, Angular) * Back-end ...

Cymertek

Full Stack Developer

Aurora, CO · On-site

Full Stack Developer LOCATIONAurora, CO 80014 CLEARANCETS/SCI Full Poly (Please note this position ... HTML, CSS, JavaScript expertise * Proficiency in frameworks (e.g., React, Angular) * Back-end ...

Cymertek

React.js / Node.js Developer

Aurora, CO · On-site

SIMILAR CAREER TITLES Frontend Developer, Backend Developer, Full Stack Developer, JavaScript Developer, Web Developer, UI/UX Developer, MEAN Stack Developer, MERN Stack Developer, Software Engineer ...

Cymertek

React.js / Node.js Developer

Aurora, CO · On-site

SIMILAR CAREER TITLESFrontend Developer, Backend Developer, Full Stack Developer, JavaScript Developer, Web Developer, UI/UX Developer, MEAN Stack Developer, MERN Stack Developer, Software Engineer ...

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All JobsJavascript Developer JobsJavascript Developer Jobs in Denver, CO

Javascript Developer information

See Denver, CO salary details

$30.4K

$109.7K

$173.9K

How much do javascript developer jobs pay per year?

As of Jul 7, 2026, the average yearly pay for javascript developer in Denver, CO is $109,704.00, according to ZipRecruiter salary data. Most workers in this role earn between $67,900.00 and $131,700.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a JavaScript Developer, and why are they important?

To thrive as a JavaScript Developer, you need strong proficiency in JavaScript, HTML, CSS, and a solid understanding of web development principles, often backed by a degree in computer science or comparable experience. Familiarity with frameworks like React or Angular, version control systems like Git, and build tools such as Webpack is typically required. Problem-solving, attention to detail, and effective communication are crucial soft skills for collaborating on projects and resolving technical challenges. These skills and qualities ensure the delivery of robust, maintainable, and efficient web applications that meet user and business needs.

What Does a JavaScript Developer Do?

As a JavaScript developer, your main responsibilities are to code functional web applications using the JavaScript (JS) programming language and to patch and update application code as needed to optimize functionality. You program front-end code for web applications, collaborate with back-end developers, and use tools like integrated development environments (IDEs), Git, and browser dev tools.

What is the difference between Javascript Developer vs Front-End Developer?

AspectJavascript DeveloperFront-End Developer
Primary FocusWriting and optimizing JavaScript codeDesigning and implementing user interfaces
Required SkillsJavaScript, HTML, CSS, frameworks like React or AngularHTML, CSS, JavaScript, UI/UX design
Work EnvironmentWeb development teams, software companiesWeb design agencies, tech firms, startups

Javascript Developers focus on coding and scripting using JavaScript, while Front-End Developers handle the overall design and user experience of websites. Both roles often overlap, but the Javascript Developer specializes in scripting, whereas the Front-End Developer emphasizes UI/UX design and layout.

What does a JavaScript Developer do?

A JavaScript Developer is responsible for designing, developing, and maintaining web applications using the JavaScript programming language. They typically work on both the front-end (user interface) and sometimes the back-end (server-side) of web projects, creating interactive features, optimizing performance, and ensuring cross-browser compatibility. Their role often involves collaborating with designers and other developers to deliver a seamless user experience.

What are some common challenges faced by JavaScript Developers when working on large-scale applications?

JavaScript Developers working on large-scale applications often encounter challenges such as maintaining code readability, managing dependencies, and ensuring performance optimization. As projects grow, it becomes essential to implement best practices like modularization, code reviews, and thorough testing to prevent bugs and technical debt. Collaboration with backend developers, designers, and QA testers is frequent, requiring clear communication and an agile mindset to deliver features efficiently and address issues as they arise.
More about Javascript Developer jobs
What are the most commonly searched types of Javascript Developer jobs in Denver, CO? The most popular types of Javascript Developer jobs in Denver, CO are:
What are popular job titles related to Javascript Developer jobs in Denver, CO? For Javascript Developer jobs in Denver, CO, the most frequently searched job titles are:
What job categories do people searching Javascript Developer jobs in Denver, CO look for? The top searched job categories for Javascript Developer jobs in Denver, CO are:
What cities near Denver, CO are hiring for Javascript Developer jobs? Cities near Denver, CO with the most Javascript Developer job openings:
Javascript Developer jobs near you
Infographic showing various Javascript Developer job openings in Denver, CO as of July 2026, with employment types broken down into 100% Full Time. Highlights an 86% In-person, and 14% Remote job distribution, with an average salary of $109,704 per year, or $52.7 per hour.
JavaScript Developer

JavaScript Developer

Quantix

Denver, CO • On-site

Full-time

Posted 24 days ago

Job description

Company Description

Since 2002, Quantix ProTech has successfully delivered IT resources and solutions to companies while building a solid reputation for integrity and consistent quality. Quantix ProTech continues to partner with the commercial sector for specialized IT placement and staffing services. Quantix ProTech was recently featured in US News and World Report and Forbes.  

Job Description

Job Title: JavaScript Developer
Location:  Denver, CO
Type:  Direct Hire
Job Description:  Our client in the Denver, Colorado area is looking for a JavaScript Developer to join their team on a Direct Hire basis. This person will participate on a team that develops high performing front end applications.   Experience developing from UX style guides and designs, testing, and solid communication skills are a must for this position.  This team works in an Agile methodology.
Required Skills:
1) JavaScript.
2) CSS.
3) Experience with Libraries (JQuery, Angular, Prototype, Backbone, HTML5).
4) Working in a Unix environment. 
5) RDBMS, Postgres and Tomcat.  
6) Agile.
Desired Skills:
1) Java Web Services (CXF, JAXB).
2) REST.
3) Hadoop.

Qualifications

Required Skills:
1) JavaScript.
2) CSS.
3) Experience with Libraries (JQuery, Angular, Prototype, Backbone, HTML5).
4) Working in a Unix environment. 
5) RDBMS, Postgres and Tomcat.  
6) Agile.
Desired Skills:
1) Java Web Services (CXF, JAXB).
2) REST.
3) Hadoop.

Additional Information

All your information will be kept confidential according to EEO guidelines. If your interested, send a copy of your resume at henriquez@quantixinc. com or reach me at 303-557-4014.

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