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6 ui developer jobs at 5 companies in Wentzville, MO

2mo
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Senior Agentic AI UI Devleoper
Springfield or Saint Louis
$148k-$267k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
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
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3mo
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Senior UI/UX Designer
St. Louis, Missouri, United States
OnsiteFull Time
Rapsodo
Rapsodo: Provides portable sports performance tracking and analytics devices.
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
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3mo
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Senior Developer
St. Louis, Missouri, United States
OnsiteFull Time
Rapsodo
Rapsodo: Provides portable sports performance tracking and analytics devices.
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
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Software Engineer - Frontend
Florissant, Missouri, United States
OnsiteFull Time
Augustine Institute
Augustine Institute: Provides Catholic theological education and media for faith formation.
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
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Machine Vision Engineer
Bridgeton, Missouri, United States
OnsiteFull Time
Hunter Engineering
Hunter Engineering: Designs and manufactures automotive service and inspection equipment.
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
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2w
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Digital Brand Designer
St. Louis, Missouri, United States
OnsiteFull Time
Lutheran Church Extension Fund
Lutheran Church Extension Fund: Provides financial solutions and investment services for church ministries.
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
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