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Javascript Developer Jobs in Denver, CO (NOW HIRING)

Cymertek

Full Stack Software Engineer

Aurora, CO · On-site

... Cloud Developer, JavaScript Developer, .NET Developer, API Developer, Platform Engineer, ect. DEGREE (Level Desired) Bachelor's Degree DEGREE (Focus) Computer Science, Software Engineering ...

Rapid7Proplusdemo

Web Developer

Denver, CO

Web Developer responsibilities include: * Identifying user and system requirements for new websites ... Javascript, Ruby or PHP. Ultimately, you will ensure our web pages are up and running and cover ...

Quantix

Salesforce.com Developer

Englewood, CO · On-site

$54.75 - $72.50/hr

... JavaScript, Ajax, JSON, JavaScript libraries...). 3) Web/cloud security. Desired Skills: 1) ... certified developer. Additional Information Please send your most updated resume to rjuarez ...

NAVA Software Solutions

Angular Developer

Englewood, CO · On-site

$54 - $66.25/hr

Web Developer (Angular) Location: Englewood, CO - Hybrid Duration: 12 months Description ... TypeScript, JavaScript, HTML, CSS, Angular, GraphQL, NGRX, Restful Microservice Architecture, RxJS ...

InstantServe LLC

Java Developer

Denver, CO · On-site

$52.50 - $68/hr

Java Developer Requisition ID: SB26-149-DEV Client: Colorado Judicial Branch (CO Judicial ... Support web applications utilizing Thymeleaf, HTML, CSS, and JavaScript . * Work with AWS cloud ...

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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.
Senior Software Developer, Front-end

Senior Software Developer, Front-end

CACI International, Inc.

Denver, CO • On-site

$98K - $206K/yr

Full-time

Medical, Retirement, PTO

Posted 11 days ago

Job description

Job Title: Senior Software Developer, Front-end
Job Category: Engineering
Time Type: Full time
Minimum Clearance Required to Start: TS/SCI with Polygraph
Employee Type: Regular
Percentage of Travel Required: Up to 10%
Type of Travel: Local
Anticipated Posting End: 9/20/2026
The Opportunity:
We are seeking a skilled Software Developer to join our team working on the Makalu Team. This role involves building and maintaining highly used and critically important cloud-native applications that provide Situational Awareness and Collaboration capabilities. The ideal candidate will have a strong background in JavaScript development, along with experience in modern software development practices and cloud technologies. The role requires an active TS/SCI clearance and a commitment to maintaining the highest standards of security in all aspects of work.
Responsibilities:
  • Design, develop, and maintain highly intuitive cloud-native applications using JavaScript and TypeScript
  • Write efficient code that can adequately address concurrency and near real time needs.
  • Collaborate with cross-functional teams in an Agile environment
  • Ensure code quality through testing and code reviews
  • Stay updated with the latest industry trends and cloud technologies
  • Participate in Agile ceremonies and contribute to continuous improvement efforts

Qualifications:
Required:
  • Proficiency in JavaScript and Typescript
  • Experience developing in a Linux environment
  • Active Top Secret SCI clearance and a recent polygraph preferred
  • Either a Bachelor's degree in Computer Science, or graduation from an accredited coding bootcamp
  • Minimum of 7 years of professional software development experience
  • Must have or be willing to obtain Security+ certification
  • Strong knowledge of JavaScript programming languages
  • Experience with software development best practices and methodologies
  • Demonstrated ability to lead technical initiatives and mentor junior developers
  • Strong system design and architecture skills

Desired:
  • Track record of successful delivery of complex, mission-critical applications
  • Experience with modern framework, such as Svelte
  • Experience with WebSocket's
  • Experience with multithreading/concurrency
  • Experience with Kubernetes other containerized environment
  • Experience with RESTful API design and implementation
  • Security+ certification (or willingness to obtain within a specified timeframe)

What You Can Expect:
A culture of integrity.
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation.
An environment of trust.
CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
A focus on continuous growth.
Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.
Pay Range:
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
Since this position can be worked in more than one location, the range shown is the national average for the position.
The proposed salary range for this position is:
$98,500-$206,800
CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

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