- SOS International LLC (Reston, VA)
- …and commercial clients. **Job Description** **Overview** We are seeking a Principal UI/UX Software Engineer with over 25 years of experience to serve as ... of progressive, hands-on experience as a UI/UX developer and software engineer , with a strong portfolio showcasing...or a related field. + Deep expertise in the MERN stack (MongoDB, Express.js, React, Node.js). + Experience with… more