11 ui developer jobs at 7 companies in Clayton, MO
1mo
Save
Mark Applied
Hide
UI/UX Developer / Active Secret
Scott Air Force Base, Illinois, United States
$66k-$106k/yr HybridFull Time
2+ YOE2 years' relevant UI/UX development experience with BS/BA (or HS + 6 years), active DoD Secret clearance, U.S. citizenship, strong communication and collaboration; Palantir Foundry and Python/PySpark preferred.
Palantir Foundry, Python, PySpark
1mo
Save
Mark Applied
Hide
UI/UX Developer / Active Secret
Scott AFB, Illinois, United States
$66k-$106k/yr HybridFull Time
2+ YOEU.S. citizen with active DoD Secret clearance. 2 years relevant experience with a BS/BA (or HS + 6 years). Experience developing enterprise-level UI/UX solutions, collaborative mindset, and strong communication skills.
Palantir Foundry, Python, PySpark
1mo
Save
Mark Applied
Hide
Mid-level UI/UX Developer / Active Secret
Scott AFB, Illinois, United States
$80k-$128k/yr HybridFull Time
3+ YOE3+ years experience (MS/MA) or 5+ years (BS/BA) developing enterprise UI/UX; U.S. citizenship and active DoD Secret clearance required; strong communication, collaboration, and creative problem-solving.
Palantir Foundry, Python, PySpark
1mo
Save
Mark Applied
Hide
Mid-level UI/UX Developer / Active Secret
Scott Air Force Base, Illinois, United States
$80k-$128k/yr HybridFull Time
5+ YOEU.S. citizen with active Secret clearance; minimum 5+ years relevant experience with BS/BA (3+ with MS) or equivalent; enterprise UI/UX development experience; strong communication and collaboration; local to Scott AFB with flexible remote work.
Palantir Foundry, Python, PySpark
2mo
Save
Mark Applied
Hide
Senior Agentic AI UI Devleoper
Springfield or Saint Louis
$148k-$267k/yr OnsiteFull Time
10+ YOE10+ years software development; 5+ years web services/UI; BS in CS or related field; JavaScript and Python; RESTful APIs; XML/Java; Secret clearance; Python and AI integration experience.
JavaScript, Python, REST, XML, Java, React, Vue, Angular
3mo
Save
Mark Applied
Hide
Senior UI/UX Designer
St. Louis, Missouri, United States
OnsiteFull Time
3+ YOEProficiency in Figma and Adobe Creative Suite; strong aesthetic sense; knowledge of UX best practices; pixel-perfect attention to detail; gamer mindset; sports knowledge; degree in Design/HCI; 3+ years in full product lifecycle; HTML/CSS knowledge preferred; located in St. Louis.
Figma, Adobe Photoshop, Adobe Illustrator, HTML, CSS
1mo
Save
Mark Applied
Hide
Software Engineer 1 (Backend UI and AI)
Earth City, Missouri, United States
$86k-$102k/yr HybridFull Time
2+ YOE2–3 years experience, bachelor’s degree or equivalent, proficiency with ReactJS/Next.js/JavaScript/Node.js, frontend state management, CI/CD and DevOps practices, strong communication and problem-solving skills.
ReactJS, Next.js, JavaScript, Node.js, GraphQL, Apollo Client, Axios, Redux, Context API, HTML5, CSS3, SCSS, Styled Components, Webpack, Babel, NPM, JWT, Jenkins, CloudBees, Git, Azure DevOps/TFS, WCAG/ADA Compliance Tools
3mo
Save
Mark Applied
Hide
Senior Developer
St. Louis, Missouri, United States
OnsiteFull Time
8+ YOEBachelor’s or Master’s in CS/Engineering; 8+ years mobile development (Android/iOS); 3+ years Kotlin Multiplatform; strong architecture, KMP, and cross-platform data/UI design; CI/CD; device-connected apps; AI-assisted development experience.
Kotlin, Kotlin Multiplatform, Android, iOS, SwiftUI, Jetpack Compose, Gradle, CI/CD, Dependency Injection, BLE, Wi-Fi, TCP, KMP-iOS interoperability
3mo
Save
Mark Applied
Hide
Software Engineer - Frontend
Florissant, Missouri, United States
OnsiteFull Time
Extensive experience building frontend architecture and design systems; React/Next.js web, React Native/Expo mobile; UI/UX optimization; scalable deployments; AI/SEO integration.
React, Next.js, React Native, Expo, Tailwind CSS, LaunchDarkly, New Relic, Mixpanel, Mux, Cloudflare Pages, Vercel, AWS Amplify, ECS, Fargate, EC2, S3, CloudFront, AI/SEO tooling
2mo
Save
Mark Applied
Hide
Machine Vision Engineer
Bridgeton, Missouri, United States
OnsiteFull Time
3+ YOEBachelor's in Electrical or Computer Engineering, 3+ years developing electronics and software for machine vision, experience with image processing, 3D geometry, board-level design, embedded C/C++, and application/UI development.
C, C++, Microsoft Visual Studio
3w
Save
Mark Applied
Hide
Digital Brand Designer
St. Louis, Missouri, United States
OnsiteFull Time
4+ YOE4+ years digital/brand design experience; proficiency in UX/UI, responsive design, accessibility, Adobe CC, Figma/Adobe XD; portfolio of web, email, social, and campaign work; collaboration with developers.
HTML, CSS, WordPress, Adobe Creative Cloud, InDesign, Illustrator, Photoshop, Figma, Adobe XD