- Leidos (Columbia, MD)
- **Description** **Leidos** has a new and exciting opportunity for a ** Principal User Interface Developer ** in our **National Security Sector's (NSS) ... with lasting impact. Leidos is seeking a highly skilled ** Principal User Interface (UI) Developer ** to join our growing application development team. We… more
- Guidehouse (Washington, DC)
- …HTML, JavaScript, Asynchronous JavaScript and XML (AJAX) code + Proficiency and experience in User Experience (UX) and User Interface (UI) design. + Strong ... concept or to demonstrate enhanced functionality. In this role, the principal APEX developer will collaborate with subject matter experts from the Budget Section… more