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Sr Front End Developer Jobs in Colorado (NOW HIRING)

Applied Research Solutions

Software Engineer

Littleton, CO · On-site

$160K - $180K/yr

The Senior Front-End Web Developer is responsible for designing, building, and maintaining modern, user-facing web interfaces. This role requires deep expertise in contemporary front-end technologies ...

Leidos

Senior UI/UX Engineer

Englewood, CO · On-site

$107K - $195K/yr

As a Sr. UI/IX Engineer, you will play a critical role at the intersection of user experience ... Our Ideal Candidate We're looking for someone who is more than a front-end developer. You are ...

Amplifire

Sr. React Engineer

Boulder, CO · On-site

$135K - $155K/yr

... developer efficiency * All contributions maintain consistent quality standards across the codebase * The team develops a shared understanding of when AI should and should not be used * Frontend ...

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All JobsSr Front End Developer JobsSr Front End Developer Jobs in Colorado

Sr Front End Developer information

See Colorado salary details

$41K

$139.9K

$190.9K

How much do sr front end developer jobs pay per year?

As of Sep 2, 2026, the average yearly pay for sr front end developer in Colorado is $139,922.00, according to ZipRecruiter salary data. Most workers in this role earn between $120,900.00 and $158,800.00 per year, depending on experience, location, and employer.

What is a Sr Front End Developer?

Sr Front End Developers are experienced professionals who design, build, and optimize the user interface (UI) and user experience (UX) of web applications. They use technologies like HTML, CSS, and JavaScript frameworks (such as React, Angular, or Vue.js) to create responsive and interactive websites. In addition to coding, they often mentor junior developers, collaborate with designers and backend teams, and ensure that applications are accessible, performant, and visually appealing. Their role requires strong problem-solving skills and a deep understanding of web development best practices.

What are the key skills and qualifications needed to thrive as a Sr Front End Developer?

To thrive as a Sr Front End Developer, you need advanced proficiency in HTML, CSS, JavaScript, and modern front-end frameworks such as React or Angular, often supported by a relevant degree and several years of experience. Expertise in version control systems like Git, familiarity with build tools (Webpack, Babel), and knowledge of accessibility standards are typically required, with some roles preferring certifications in web development. Strong problem-solving abilities, collaboration, and effective communication set standout developers apart in team environments. These skills and qualities are crucial for creating high-quality, scalable user interfaces and ensuring seamless integration with back-end systems in dynamic projects.

What are some common challenges Sr Front End Developers face when working on large-scale projects?

Sr Front End Developers often encounter challenges such as maintaining code quality across large teams, ensuring consistent user experiences, and managing complex state in modern JavaScript applications. Keeping up with evolving front-end frameworks and integrating with backend systems can also be demanding. Collaboration with designers, backend engineers, and QA specialists is crucial to address these challenges, and effective communication skills help streamline the development process.

What are popular job titles related to Sr Front End Developer jobs in Colorado?

For Sr Front End Developer jobs in Colorado, the most frequently searched job titles are:

What job categories do people searching Sr Front End Developer jobs in Colorado look for?

The top searched job categories for Sr Front End Developer jobs in Colorado are:

What cities in Colorado are hiring for Sr Front End Developer jobs?

Cities in Colorado with the most Sr Front End Developer job openings:

Sr Front End Developer jobs near you
Infographic showing various Sr Front End Developer job openings in Colorado as of August 2026, with employment types broken down into 78% Full Time, 16% Part Time, 1% Temporary, and 5% Contract. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $139,922 per year, or $67.3 per hour.

Software Engineer

Applied Research Solutions

Littleton, CO • On-site

$160K - $180K/yr

Full-time

Posted 27 days ago

Job description

ARS s is seeking Mid - Senior Front-End developers to support a cutting-edge program supporting the National Geospatial Intelligence Agency in the Denver, Colorado area. The Senior Front-End Web Developer is responsible for designing, building, and maintaining modern, user-facing web interfaces. This role requires deep expertise in contemporary front-end technologies, agile development practices, accessibility standards, and the ability to collaborate within a fast-paced, lean engineering environment. The ideal candidate is a self-starter who can quickly learn emerging tools, contribute to full-stack workflows, and help drive best practices across the development team.
Why Work with us?
Applied Research Solutions (ARS) is respected as a world-class provider of technically integrated solutions as we deliver premier talent and technology across our focused markets for unparalleled, continuous mission support. Awarded a Best Places to Work nominee since 2020, ARS recognizes that without our career- driven, loyal professionals, we would not be able to deliver state-of-the-art results for our mission partners. We firmly believe that prioritizing our employees is of the upmost importance. We provide a culture where our employees are challenged to meet their career goals and aspirations, while still obtaining a work/life balance. ARS employees are motivated through our industry competitive benefits package, our awards and recognition program, and personalized attention from ARS Senior Managers.
Responsibilities include:
  • Develop responsive, accessible, and performant front-end interfaces using modern web standards, techniques and frameworks, including HTML5, CSS3, and CSS preprocessing tools such as LESS and SASS.
  • Implement user interfaces using contemporary UI frameworks and libraries (e.g., Bourbon, Twitter Bootstrap).
  • Build and maintain JavaScript-based functionality using strict mode compliance, modularization techniques, and modern libraries and MV* frameworks (e.g., jQuery, Backbone.js, Ember.js, D3).
  • Integrate and consume RESTful APIs to deliver dynamic front-end experiences.
  • Participate in agile team environments (Scrum, Lean), routinely delivering iterative updates and collaborating closely with cross-functional partners.
  • Utilize Git and GitHub for version control, branching strategies, peer review, and collaborative workflow.
  • Ensure all front-end code adheres to Section 508 accessibility compliance standards.
  • Rapidly research, evaluate, and adopt new development tools, libraries, and frameworks as needed.
  • Engage with open-source ecosystems, contributing to or leveraging community-built solutions.
  • Translate static design assets into functional web layouts and responsive views.
  • Create templates and views within full-stack frameworks such as Rails, Express, or Django.
  • Develop front-end applications using Angular or React, or contribute to service development using Java (RESTful service experience).
  • Other duties as assigned

Qualifications/ Technical Experience Requirements:
  • Must be a US citizen
  • Current TOP SECRET security clearance and available for polygraph testing
  • Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience/combined education with 5 years of professional experience; or 3 years of professional experience with a Masters degree)
  • Advanced/expert knowledge of HTML5, RESTful and/or Java
  • Deep familiarity and proficiency with Git and GitHub
  • Understanding of accessibility standards (Section 508) and best practices
  • Strong problem-solving and analytical skills
  • Ability to work effectively in a team-oriented environment
  • Excellent written and verbal communication skills

Preferred Qualifications
  • Experienced and skilled with containerization and orchestration technologies (e.g., Kubernetes)
  • Experience with CI/CD tools: Git, Jenkins, Puppet, Docker
  • Experienced with Agile SW development methodologies
  • Experienced with SAFe, processes

The expected annual salary range: $160k - $180k. Salary is dependent upon the role and associated responsibilities, candidate's experience, and qualifications to include education/training, and key skills.
All positions at Applied Research Solutions are subject to background investigations. Employment is contingent upon successful completion of a background investigation including criminal history and identity check.
This contractor and subcontractor shall abide by the requirements of 41 CFR 60-741.5(a). This regulation prohibits discrimination against qualified individuals on the basis of disability, and requires affirmative action by covered prime contractors and subcontractors to employ and advance in employment qualified individuals with disabilities.
This contractor and subcontractor shall abide by the requirements of 41 CFR 60-300.5(a). This regulation prohibits discrimination against qualified protected veterans, and requires affirmative action by covered contractors and subcontractors to employ and advance in employment qualified protected veterans.
Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
This employer is required to notify all applicants of their rights pursuant to federal employment laws.
For further information, please review the Know Your Rights notice from the Department of Labor.

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