Frontend Developer (TypeScript, React.js)
Sundayy
hybridmidpermanentfrontendfullstack United States Today via LinkedIn
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TypeScriptReactJavaScriptHTML5CSS3REST APIsAccessibilityWCAGSection 508AWS
About the role
Role Overview
Frontend Developer to provide technical support, maintenance, and enhancements for a client application. You’ll work in an Agile, sprint-based environment with a strong focus on accessibility, reliability, and performance.
Responsibilities
- Maintain and enhance the client application, ensuring availability and correct operation
- Implement development, accessibility, integration, and optimization improvements
- Deliver incremental improvements during Agile sprints
- Collaborate with cross-functional teams to translate design mockups into functional web layouts
- Conduct accessibility testing and ensure compliance with Section 508 and WCAG
- Participate in code reviews, testing, and documentation
- Troubleshoot and resolve technical issues promptly
- Integrate RESTful APIs and other backend services into the frontend
Requirements
- 3+ years of frontend development experience
- Bachelor’s degree in CS/IT or related field, or 6 years equivalent experience
- Proficiency with HTML5, CSS3, and responsive design
- Strong JavaScript development skills using modern standards and frameworks (e.g., React, Angular, Vue)
- Strong understanding of Section 508 and WCAG accessibility standards
- Experience with accessibility testing tools (automated and manual)
- Ability to consume RESTful APIs effectively
- Experience working in Agile sprint cycles
- Proficiency with Git/GitHub
- Ability to create web layouts from static images/views/templates within full-stack frameworks
- Preferred: knowledge of AWS, Python backend, and TypeScript frontend development
Additional Notes
- Due to federal contract work, employees may need to handle Controlled Unclassified Information (CUI) and follow related safeguarding/compliance protocols.
- Remote work is available with occasional travel based on project needs.
About Sundayy
Aretum is a mission-driven organization delivering technology-enabled solutions to clients across the defense, civilian, and homeland security sectors. It helps government agencies address critical challenges through strategic and transformative initiatives, with an emphasis on people, collaboration, inclusion, and professional growth.
Scraped 8/5/2026