Senior Web Developer Jobs in Colorado (NOW HIRING)

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).
• 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.