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Senior Web 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 ...

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 ...

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, userfacing web interfaces. This role requires deep expertise in contemporary front-end technologies ...

Quantix

C# Developer, Sr.

Arvada, CO

$55.50 - $73.25/hr

Job Title: C# Developer, Sr. Location: Arvada, CO Type: Direct Hire Our client in the Arvada ... Experience developing rich UI web applications is needed, and experience developing multi-lingual U ...

Quantix

C# Developer, Sr.

Arvada, CO · On-site

$55.75 - $73.75/hr

... Senior C# Developer to join their team. This role involves developing commercial software in an ... NET development • developing rich UI web applications • developing multi-lingual UI ...

Motocol

Senior Software Developer .NET

Englewood, CO

$70 - $80/hr

Our client is seeking a Senior Software Developer for our Englewood, CO office. Work with a small ... We need proven web development skills using the .NET stack; Strong C#, strong HTML and JavaScript;

Sonepar

Sr Applications Developer

Broomfield, CO · On-site

$96K - $133K/yr

Sonepar is seeking a Senior .NET Application Developers to join our growing technology team. This ... Build scalable, secure, and high-performing web applications. * Troubleshoot, diagnose, and resolve ...

Sonepar

Sr Applications Developer

Broomfield, CO

$96K - $133K/yr

Sonepar is seeking a Senior .NET Application Developers to join our growing technology team. This ... Build scalable, secure, and high-performing web applications. * Troubleshoot, diagnose, and resolve ...

Sonepar

Sr Applications Developer

Broomfield, CO · On-site

$96K - $133K/yr

Sonepar is seeking a Senior .NET Application Developers to join our growing technology team. This ... Build scalable, secure, and high-performing web applications. * Troubleshoot, diagnose, and resolve ...

Sonepar

Sr Applications Developer

Broomfield, CO · On-site

$96K - $133K/yr

Sonepar is seeking a Senior .NET Application Developers to join our growing technology team. This ... Build scalable, secure, and high-performing web applications. * Troubleshoot, diagnose, and resolve ...

Quantix

C# Developer, Sr.

Arvada, CO · On-site

$55.75 - $73.75/hr

... Senior C# Developer to join their team. The role involves developing commercial software in an ... NET development, specifically C#. • Experience developing rich UI web applications is needed, and ...

Fivetran

Staff Web Growth Marketing Manager

Denver, CO · On-site

... with no engineering or maintenance required. We're proud that more organizations continue to ... As a senior individual contributor, you'll operate as the company's subject matter expert for web ...

Fivetran

Staff Web Growth Marketing Manager

Denver, CO · Hybrid

... engineering, helping teams transform data into reliable, governed insights. Together, we support ... As a senior individual contributor, you'll operate as the company's subject matter expert for web ...

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Showing results 21-40

All JobsWeb Developer JobsSenior Web Developer JobsSenior Web Developer Jobs in Colorado

Senior Web Developer information

See Colorado salary details

$63.6K

$120.5K

$188.2K

How much do senior web developer jobs pay per year?

As of Aug 16, 2026, the average yearly pay for senior web developer in Colorado is $120,458.00, according to ZipRecruiter salary data. Most workers in this role earn between $95,700.00 and $138,300.00 per year, depending on experience, location, and employer.

What is a senior web developer?

A senior web developer is a highly skilled computer coding professional with fluency in languages such as HTML, JavaScript, and CSS. In this career, your responsibilities include designing, developing, and debugging the backend of software programs for websites, applications, tools, and databases. You also work with JavaScript frameworks, develop tests using testing frameworks, help build and deploy automation scripts, troubleshoot, and resolve app performance issues. As a senior web developer, you may supervise a team of developers and collaborate with user experience designers to determine what the frontend user experience and website layout will look like during the design phase. Other duties may include enforcing coding standards, reviewing the work completed by your team, managing the budget and project schedule, and communicating directly with clients.

What are the key skills and qualifications needed to thrive as a senior web developer, and why are they important?

To thrive as a Senior Web Developer, you need advanced proficiency in programming languages like JavaScript, HTML, CSS, and backend frameworks, supported by a bachelor’s degree in computer science or equivalent experience. Expertise in tools such as version control (Git), CI/CD pipelines, and knowledge of modern frameworks (React, Angular, Node.js) are typically required, along with relevant certifications. Strong problem-solving ability, effective communication, and leadership skills help you collaborate across teams and mentor junior developers. These competencies ensure high-quality, scalable web solutions and support successful project delivery in dynamic development environments.

What are some common challenges faced by senior web developers when leading project teams?

Senior Web Developers often encounter challenges such as balancing hands-on coding responsibilities with mentoring junior team members and ensuring project deadlines are met. They must also navigate evolving technologies and frameworks, which requires ongoing learning and adaptability. Effective communication with designers, backend developers, and project managers is essential to align technical solutions with business goals. Successfully managing these aspects leads to smoother project delivery and professional growth.

What is the difference between Senior Web Developer vs Web Developer?

AspectSenior Web DeveloperWeb Developer
Required CredentialsBachelor's in CS or related, experience, possibly certificationsBachelor's in CS or related, entry-level or junior experience
Work EnvironmentCollaborates on complex projects, mentors juniorsDevelops websites, learns on the job, less responsibility
Employer & Industry UsageTech companies, agencies, startupsSmall businesses, startups, freelance projects
Search & Comparison IntentUnderstanding senior roles, career progressionEntry-level, learning web development

The main difference between a Senior Web Developer and a Web Developer lies in experience, responsibilities, and expertise. Senior Web Developers handle complex projects, mentor team members, and often have more advanced skills and certifications. Web Developers are typically entry-level or junior roles focused on building websites and gaining experience. Both roles are essential in the tech industry, but the senior position involves greater leadership and technical depth.

How much does a senior web developer earn?

A senior web developer's salary typically ranges from $80,000 to $130,000 annually, depending on experience, location, and industry. They often possess skills in JavaScript, HTML, CSS, and frameworks like React or Angular, and may hold certifications that enhance their earning potential.
More about Senior Web Developer jobs

What are the most commonly searched types of Web Developer jobs in Colorado?

The most popular types of Web Developer jobs in Colorado are:

What are popular job titles related to Senior Web Developer jobs in Colorado?

For Senior Web Developer jobs in Colorado, the most frequently searched job titles are:

What job categories do people searching Senior Web Developer jobs in Colorado look for?

The top searched job categories for Senior Web Developer jobs in Colorado are:

What cities in Colorado are hiring for Senior Web Developer jobs?

Cities in Colorado with the most Senior Web Developer job openings:

Senior Web Developer jobs near you
Infographic showing various Senior Web Developer job openings in Colorado as of August 2026, with employment types broken down into 1% Internship, 81% Full Time, 11% Part Time, 1% Temporary, and 6% Contract. Highlights an 82% Physical, 4% Hybrid, and 14% Remote job distribution, with an average salary of $120,458 per year, or $57.9 per hour.

Software Engineer

Applied Research Solutions

Littleton, CO • On-site

$160K - $180K/yr

Other

Posted 9 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:
  • 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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