Front End Web Developer, Senior

Cayuse Holdings; Washington (District of Columbia); On-site; USD 100,000 - 190,000; Full time

Benefits offered by this job

Medical, Dental and Vision Insurance

401(k) Retirement Savings Plan

Paid Time Off

Flexible Spending Accounts

Job summary

Cayuse Holdings is seeking a Front-End Developer to build responsive, high-performing UI components using React, TypeScript, JavaScript, HTML, and CSS in AWS-hosted environments. You’ll work with UX designers, backend engineers, and product teams to deliver accessible and secure user experiences.

The role involves designing modular UI, integrating with .NET services via REST APIs, and ensuring performance, scalability, and code quality.

Qualifications

• 8+ years of experience developing modern frontend applications using React, JavaScript, TypeScript, and Node.
• Advanced experience building UI components with HTML, CSS, Sass, and responsive design frameworks.
• Experience integrating with REST APIs and data formats such as JSON and XML.
• Proficiency with Git and GitLab for source control, collaboration, and code review workflows.
• Ability to design, refactor, and maintain scalable frontend architectures in cloud environments (AWS preferred).
• Experience with YAML and CI/CD pipeline development (GitLab CI preferred).
• Experience with integration with .NET APIs or full stack environments.

Responsibilities

• Design and build responsive, high-performing user interfaces using Node.js, React, JavaScript, TypeScript, HTML, and CSS.
• Develop modular, maintainable UI components aligned with modern frontend engineering practices and design system standards.
• Integrate frontend applications with .NET backend services using REST APIs and JSON/XML.
• Implement client-side state management and optimize rendering for scalable enterprise-grade apps.
• Collaborate with UX/UI designers and backend engineers to ensure seamless end-to-end functionality.

Skills

React

TypeScript

JavaScript

Node.js

HTML/CSS

REST APIs

Git/GitLab

Accessibility

Security

CI/CD

Tools

GitLab CI

Job description

Overview

The Work

The Front-End Developer will build responsive, high‑performance user interfaces usingReact, TypeScript, JavaScript, Node.js, HTML, and CSS, ensuring seamless integration with.NET backend serviceswithinAWS-hosted environments. You will collaborate closely with UX designers, backend engineers, and product teams to implement clean, maintainable components and deliver intuitive, accessible, and secure user experiences.

This position aligns with Cayuse’s core values of Innovation, Excellence, Collaboration, Adaptability, and Integrity by fostering technical solutions that meet customer needs, promoting teamwork, and prioritizing quality in deliverables.

Responsibilities

• Design and buildresponsive, high‑performance user interfacesusing Node.js, React, JavaScript, TypeScript, HTML, and CSS.
• Developmodular, maintainable UI componentsaligned with modern front‑end engineering best practices and design system standards.
• Integrate front‑end applications with.NET backend servicesusing REST APIs and common data formats such asJSON and XML.
• Implementclient-side state managementand optimize rendering for scalable, enterprise‑grade applications.
• Collaborate withUX/UI designersandbackend engineersto ensure seamless end‑to‑end functionality and consistent user experiences.
• Participate incode reviews, contributing to and enforcing standards for readability, quality, security, and maintainability.
• UseGit and GitLabfor source control, branching strategies, code review, and merge request workflows.
• Ensure that front‑end applications meetaccessibility,security, andperformancerequirements in line with federal and organizational standards.
• Troubleshoot and resolveUI issuesacross environments, browsers, and devices, including cross‑browser compatibility and responsive behavior.
• Work withinAWS cloud-hosted environments, collaborating with DevOps and backend teams to support deployments as part of the overall delivery pipeline.
• Contribute tocontinuous improvementefforts, recommending enhancements to tooling, development practices, and user experience.
• Other duties as assigned.

Qualifications

• 8+ years of experience developing modern frontend applications using React, JavaScript, TypeScript, and Node.
• Advanced experience building UI components with HTML, CSS, Sass, and responsive design frameworks
• Strong experience integrating with REST APIs and working with JSON and XML data formats
• Proficiency with Git and GitLab for source control, collaboration, and code review workflows
• Ability to design, refactor, and maintain scalable frontend architectures in cloud environments (AWS preferred)
• Deep understanding of frontend performance optimization, browser behavior, debugging techniques, and application profiling
• Demonstrated ability to mentor developers and lead best-practice discussions across the engineering team
• Experience building cloud-native solutions in AWS
• Experience with YAML and CI/CD pipeline development (GitLab CI preferred)
• Experience with package scan vulnerability remediation
• Experience with integration with .NET APIs or full stack environments
• Excellent communication skills with the ability to articulate technical decisions and collaborate with cross-functional teams
• Bonus points if you have:
• Experience with automated UI testing frameworks (Jest, React Testing Library, Cypress)
• Familiarity with accessibility standards (Section 508, WCAG)
• Familiarity with JFrog Artifactory
• Familiarity with Jira for DevOpsActive Top Secret Security Clearance is required.
• Must be able to pass a background check. May require additional background checks as required by projects and/or clients at any time during employment.

Minimum Skills Required:

• Excellent problem-solving and analytical skills.
• Strong communication and interpersonal skills.
• Ability to respond effectively to customers with a sense of urgency.
• Proficient in Microsoft and Adobe toolsets, including Excel, Word, PowerPoint, Acrobat, etc.
• Highly motivated with the ability to handle and manage multiple tasks at any one time.
• Ability to forge new relationships, individual and teaming in nature.
• Must be a Self-starter, that can work independently and as part of a team.

Our Commitment to you / overview of benefits

• Medical, Dental and Vision Insurance; Wellness Program
• Flexible Spending Accounts (Healthcare, Dependent Care, Commuter)
• Short-Term and Long-Term Disability options
• Basic Life and AD&D Insurance (Company Provided)
• Voluntary Life and AD&D options
• 401(k) Retirement Savings Plan with matching after one year
• Paid Time Off

Reports to: Program Manager

Working Conditions

• Professional office environment with the ability to work on-site.
• Must be physically and mentally able to perform duties extended periods of time.
• Ability to use a computer and other office productivity tools with sufficient speed to meet the demands of this position.
• Must be able to establish a productive and professional workspace.
• Must be able to sit for long periods of time looking at computer screen.
• May be asked to work a flexible schedule which may include holidays.
• May be asked to travel for business or professional development purposes.
• May be asked to work hours outside of normal business hours.

Other Duties: Please note this job description is not designed to cover or contain a comprehensive list of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.

Cayuse is an Equal Opportunity Employer. All employment decisions are based on merit, qualifications, skills, and abilities. All qualified applicants will receive consideration for employment in accordance with any applicable federal, state, or local law.

Pay Range

USD $100,000.00 - USD $190,000.00 /Yr.