onsite
Front End Software Developer - MANTECH
Software Engineer
Front End Software Developer creating intuitive, mission‑critical web and desktop interfaces using modern JavaScript frameworks, responsive design, and user‑centric UX principles.
About the role
Key Responsibilities
- Design, prototype, and develop high‑performance web applications with JavaScript, React, and related libraries.
- Implement responsive, accessible UI components following current UX/UI standards.
- Collaborate with product, design, and backend teams to translate requirements into clean, maintainable code.
- Optimize application performance, troubleshoot cross‑browser issues, and ensure consistent user experience.
- Participate in code reviews, unit testing, and continuous integration pipelines.
Requirements
- Proven experience building dynamic, responsive front‑end applications with JavaScript and React.
- Strong grasp of HTML5, CSS3, and modern styling techniques (Sass, CSS‑in‑JS).
- Familiarity with UX principles, accessibility (WCAG), and design systems.
- Experience with version control (Git) and agile development practices.
- Excellent problem‑solving skills and a collaborative mindset.