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Javascript Web Developer Jobs in Colorado (NOW HIRING)

SIMILAR CAREER TITLESSoftware Engineer, Backend Developer, Frontend Developer, Web Developer, Application Developer, DevOps Engineer, JavaScript Developer, Mobile Developer, Site Reliability Engineer ...

SIMILAR CAREER TITLES Software Engineer, Backend Developer, Frontend Developer, Web Developer, Application Developer, DevOps Engineer, JavaScript Developer, Mobile Developer, Site Reliability ...

iOS Developer

Boulder, CO

$53.75 - $74/hr

Skill Agile, Ajax, CSS, Developer, Development, GIT, HTML, HTTP, iOS, Java, JavaScript, jQuery ... Experience with HTML, CSS, AJAX, XML, jQuery and dynamic web programming. Additional Information ...

iOS Developer

Boulder, CO

$53.75 - $74/hr

Skill Agile, Ajax, CSS, Developer, Development, GIT, HTML, HTTP, iOS, Java, JavaScript, jQuery ... Experience with HTML, CSS, AJAX, XML, jQuery and dynamic web programming. Additional Information ...

Develop Windows based applications for our Litigation solution offering leveraging Web Site, Web ... Bonus Citrix experience JavaScript Experience supporting applications in a highly distributed ...

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Javascript Web Developer information

See Colorado salary details

$11.6K

$61.8K

$101.5K

How much do javascript web developer jobs pay per year?

As of May 29, 2026, the average yearly pay for javascript web developer in Colorado is $61,776.00, according to ZipRecruiter salary data. Most workers in this role earn between $34,200.00 and $89,400.00 per year, depending on experience, location, and employer.

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

To thrive as a Javascript Web Developer, you need strong proficiency in JavaScript, HTML, and CSS, often backed by a degree in computer science or a related field. Experience with frameworks like React or Angular, version control systems such as Git, and knowledge of build tools and package managers are typically required. Problem-solving skills, attention to detail, and effective communication help developers excel in team environments and deliver user-friendly solutions. These skills ensure the creation of efficient, maintainable, and high-quality web applications that meet both business and user needs.

What are some common challenges faced by JavaScript Web Developers when working on cross-browser compatibility?

JavaScript Web Developers often encounter challenges ensuring that web applications function consistently across different browsers and their various versions. Differences in how browsers interpret JavaScript, handle CSS, or support certain APIs can lead to unexpected bugs or display issues. To overcome these challenges, developers frequently use polyfills, transpilers like Babel, and thorough testing on multiple browsers and devices. Collaborating with QA teams and staying updated on browser release notes are also important strategies to maintain compatibility and deliver a seamless user experience.

What does a JavaScript Web Developer do?

A JavaScript Web Developer specializes in using JavaScript to create interactive and dynamic features on websites and web applications. Their work often involves developing front-end user interfaces, integrating APIs, optimizing website performance, and sometimes working with back-end technologies like Node.js. They collaborate closely with designers and other developers to ensure a seamless user experience. Additionally, they stay updated with the latest JavaScript frameworks and best practices to deliver efficient and scalable solutions.

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

AspectJavascript Web 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

Javascript Web Developers specialize in coding and optimizing JavaScript functionalities, while Front-End Developers focus on creating the visual and interactive aspects of websites. Both roles often overlap, but the Javascript Web Developer emphasizes scripting, whereas the Front-End Developer emphasizes design and user experience.

What cities in Colorado are hiring for Javascript Web Developer jobs? Cities in Colorado with the most Javascript Web Developer job openings:
What are popular job titles related to Javascript Web Developer jobs in CO? For Javascript Web Developer jobs in CO, the most frequently searched job titles are:
Infographic showing various Javascript Web Developer job openings in Colorado as of May 2026, with employment types broken down into 84% Full Time, 12% Part Time, and 4% Contract. Highlights an 86% Physical, 1% Hybrid, and 13% Remote job distribution, with an average salary of $61,776 per year, or $29.7 per hour.
Full Stack Web Application Developer

Full Stack Web Application Developer

Aspen Systems Inc

Wheat Ridge, CO

Full-time

Medical, Dental, Retirement, PTO

Posted 3 days ago


Job description

Company Description

In 2002, Aspen Systems, Inc. manufactured a high-performance computational cluster that was named as the world's eighth fastest supercomputer. From 2003 through 2006, Aspen Systems, Inc. was ranked on Deloitte & Touche Technology Fast 50 Program for Colorado; a prestigious list of the fifty fastest growing technology companies in the area. Colorado Biz Magazine listed Aspen Systems, Inc. among its Top 250 companies in Colorado over four consecutive years (2003-2006). Aspen Systems, Inc. is a certified audited vendor for Lockheed Martin and was honored to hold the esteemed Lockheed Martin Star Supplier award in 2008; an accolade granted only to the top 0.1% of LMCO suppliers. Aspen Systems, Inc. is an ISO9001: 2008 certified company and manufactures in our own fully compliant ANSI/ESD S20.20 facility. This is non-smoking environment for our employees. 
At Aspen Systems our success is attributed to the people we hire. We constantly seek individuals with the skills, talent, vision and creativity to go beyond a simple job description, Do you think way outside the box? We are a group of talented professionals who enjoy our work and are driven to succeed. Come join us on our rapidly growing and very successful journey. We are growing fast, the excitements, challenges and opportunities are very real and we are having fun at being the very best.  Our team is one that is talented, driven, and dedicated to what we do.  We want to grow our enterprise to the 100 million dollar level and beyond.  We are seeking dedicated, talented, and driven candidates who can help us to achieve that vision.  Our culture is one of inclusion, dedication, and our team is diverse.  This is a fantastic group of individuals who work together for the common goal of success.  Our field in High Performance Computing and clientele is tip of the spear in scientific and research computing that is world renown. This is an exciting place to be that is second to none.  Would you like to be part of a web team that builds one of the most advanced High Performance Computing e-commerce site in the industry?  Are you up to the challenge?  Do you aspire to be a part of this incredible opportunity?  
As an Equal Opportunity Employer, we encourage diversity in our workplace. Aspen Systems also offers a competitive benefits package including medical, dental, and generous holidays and paid vacation.

Job Description

Responsibilities Include:

  • Maintaining and improving our growing E-Commerce site. 
  • Maintaining and improving our custom internal applications. 
  • Working with product managers on adding new products to our E-Commerce site.
  • Involved in full life cycle development process.
  • Gather requirements, coding and development, support and maintenance.
  • Working with our in-house engineering team.
  • Interact well with company leaders and marketing team in order to accomplish business goals.
  • Suggest innovative solutions to business problems/processes that leverage technology to provide marketing differentiation, performance improvements, and better user experiences.
  • And you know it! Other duties as assigned.
  • Contribute to and improve team and company processes.
Qualifications

Must have 2 years experience with:

  • HTML/CSS/JavaScript
  • Classic ASP/VB Script
  • C#, ASP.NET, MVC
  • GIT
  • MySQL/MSSQL
  • jQuery
  • Angular JS
  • PHP
  • WordPress CMS
  • Product Cart

Must Have Some/Nice to Have/Willing to Learn

  • Think-ability
  • SharePoint online
  • Epicor
  • Microsoft CMS
  • Browser Compatibility Validation
  • Markup Validation
  • Ability to write and debug code without an IDE
  • Strong knowledge of Linux server environments
  • Significant independent web development experience
  • Advanced knowledge of Social Media and E-Commerce sites and functionality
  • Substantial API experience - Google, Bing, Shopping Feeds, Amazon, etc.
  • SASS
  • Visual Studio
  • Photoshop/Illustrator

The perfect candidate would further describe their skills as follows:

  • Professional communication skills, both written and verbal
  • Strong execution of Project Management responsibilities
  • Possesses an on-line portfolio demonstrating elegant and clean design/styles
  • Strong problem solving skills
  • Intuitive and self-managed independent team worker
Additional Information

What we offer:

We offer a competitive benefits package including Medical and Dental coverage, Generous Holidays, Annual Bonuses, 401K and Paid Vacation, Great Food, we run back door BBQs whenever we get a chance. This is a full time position.

US Citizens and those authorized to work in the US are encouraged to apply.  We are unable to sponsor visas at this time.We are a smoke/vape/drug free work environment. You must be able to pass a drug screen. We're an equal opportunity employer. No employee or applicant will be discriminated against in any condition of employment because of race, color, national origin, sex, religion, age, disability, veteran status or any other status protected by law.

We are looking to fill this great opportunity immediately, we have a world-class, professional, and incredibly talented team. We are a great place to work and play. Imagine biking, hiking, and ski slopes just beyond our front door. We're a "bring your dog" friendly office. We have big ideas, and we are some of the best and brightest in HPC.

If you are qualified and interested in this role, please provide us with the following information:

1. Your most current resume.

2. Your complete salary history.

3. Your answers to the following ten questions, providing us with as detailed answers as possible:

a. What are the top three things that motivate you?

b. What are your two greatest accomplishments in life?

c. What would you consider to be your most impeding weakness?

d. What is the greatest obstacle you have successfully overcome within the past 12 months?

e. Describe the tools and habits that keep you organized.

f. In what ways do you "raise the bar" for yourself and the people around you?

g. What is the airspeed velocity of an unladen swallow?

h. What is your preferred text editor?

i. What is the definition of Agile Development?

j. Who says "Have fun storming the castle?"

NOTE: Candidates who do not answer these ten questions will not be considered for the position.


Joel Test score: 11 out of 12

The Joel Test is a twelve-question measure of the quality of a software team.

  • Do you use source control?  Yes
  • Can you make a build in one step?  No
  • Do you make daily builds?  Yes
  • Do you have a bug database?  Yes 
  • Do you fix bugs before writing new code?  Yes 
  • Do you have an up-to-date schedule?  Yes 
  • Do you have a spec?  Yes 
  • Do programmers have quiet working conditions?  Yes 
  • Do you use the best tools money can buy?  Yes 
  • Do you have testers?  Yes 
  • Do new candidates write code during their interview?  Yes 
  • Do you do hallway usability testing?  Yes