Senior UI Developer jobs in Ofallon, MO

Clayton, Missouri

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Today

Job#: 3054846 Job Description: Apex Systems is hiring a Senior Streamlit UI Developer for a large Healthcare Client. Location: Remote anywhere in the US, you must be authorized to work without sponsorship. Role Overview We are seeking a Senior Streamlit UI Developer to design, build, and deploy a secure and scalable user interface for a strategic initiative to modernize an audit workflow. This role is central to accelerating application development for the RADV Audit Tool 2.0 project. The deve

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Full-time

$60 - $70 per hour

Senior Software Engineer - UI/UX & Front-End Engineering (Contract)

Remote

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Today

Senior Software Engineer, UI/UX and Front-End (ASP.NET MVC) Remote | Long-term contract with 6-month renewals About the role This is a senior, hands-on role for a software engineer who is strong on the front end, understands UI/UX design, and has practical experience building accessible web applications. You'll work on complex enterprise applications built on ASP.NET MVC 5. You'll turn business and user needs into interfaces that are clean, easy to use, and fully accessible. Most of the work

Full-time

USD 80.00 - 90.00 per hour

Java UI/UX Developer W2 Only

Remote

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Yesterday

Java UI/UX Developer (Remote, USA)Location: Remote (United States) Level: Mid-level, 10+ years of experience About the RoleWe are looking for an experienced Java UI/UX Developer to build intuitive, accessible, high-performing user interfaces on top of Java-based services. You will work with product managers, designers, and backend engineers to turn requirements and wireframes into polished production applications, and you will help shape front-end standards for the team. Key ResponsibilitiesDesi

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Contract

50 - 52

Senior Tech UI Designer

Remote

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Today

We are looking for a Senior Tech UI Designer to serve as the bridge between design and engineering, implementing UI systems in Unreal Engine with a focus on architecture rather than aesthetics. Responsibilities Break features and wireframes down into the necessary widgets, structures and classes; design reusable, extendable widgets Lay out wireframes with the right widget classes so visual designers can start styling Rapidly prototype UX/Visual designs and translate design needs into technical r

Full-time

Senior Development Engineer I - CAP UI

Remote or Minnesota

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Today

We're building a world of health around every individual - shaping a more connected, convenient and compassionate health experience. At CVS Health , you'll be surrounded by passionate colleagues who care deeply, innovate with purpose, hold ourselves accountable and prioritize safety and quality in everything we do. Join us and be part of something bigger - helping to simplify health care one person, one family and one community at a time. POSITION SUMMARY The CVS Digital - Developer Experience

Full-time

USD 92,700.00 - 203,940.00 per year

Senior Technical UI Artist

Remote

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Today

We are seeking a Senior Technical UI Artist to bridge the gap between UI design and real-time engine implementation, crafting polished interfaces, motion systems, and visual effects that elevate the player experience. Responsibilities Transform UX wireframes into polished UI designs, prototypes, design systems, and style guides using Figma, Photoshop, and Illustrator Implement final UI in UE5 through UMG, Slate, widget animations, Material Editor, Niagara, Level Sequencer, and basic Blueprint lo

Full-time

Senior UI/UX Designer

Remote

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13d ago

Job Title: Senior UI/UX Designer Job Description:We are seeking a highly creative and experienced Senior UI/UX Designer to lead the design of intuitive, engaging, and visually compelling digital experiences. The ideal candidate will combine strong design expertise with a deep understanding of user-centered principles, ensuring our products are both functional and delightful. Key Responsibilities:Lead the end-to-end design process, from research and wireframing to prototyping and final delivery.

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Full-time

Depends on Experience

Senior UX Specialist

Remote

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2d ago

Role SummaryThe Senior UX Specialist supports mission-critical software modernization initiatives within a complex enterprise environment. This role leads user experience activities, including user research, journey mapping, requirements definition, usability testing, and accessibility. The position collaborates with cross-functional teams to develop intuitive and accessible digital solutions that align with human-centered design principles and applicable accessibility standards. Responsibilitie

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Contract, Third Party

Depends on Experience

UI Engineering Lead

Remote

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Today

Would you like to work on a new IP and new genre that combines amazing action feel with lighthearted and whimsical characters? Do you revel in creating delightful and seamless user experiences for both players and developer workflows alike? As a UI Engineering Lead, you will help bring the UX vision of the Design team to life by implementing responsive and stable UI systems in the Unreal Engine. Most importantly, you will work with a fun and dedicated cross-discipline team devoted to making a n

Full-time

USD 197,400.00 - 296,000.00 per year

Sr UX Designer

Remote

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Today

Our Mission Our mission is to SAVE AND IMPROVE LIVES BY EMPOWERING HEALTHCARE CONSUMERS. Come be part of remarkable. Overview Sr. UX Designer - Marketplace Experience We're looking for an experienced Senior UX Designer to join our Experience Design team and help build and expand our Marketplace experience. This role focuses on creating intuitive, trustworthy, and engaging commerce experiences that help members discover, evaluate, purchase, and manage healthcare products and services. The ide

Full-time

USD 104,500.00 - 136,000.00 per year

Senior UX Designer - Remote

Remote or Los Angeles, California

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30+d ago

Job Description Grow your career at Cedars-Sinai! Cedars-Sinai Medical Center has been named to the Honor Roll in U.S. News & World Report's "Best Hospitals 2025-2026" rankings. When you join our team, you'll gain access to our groundbreaking biomedical research facilities and sophisticated medical education programs. We offer learning programs, tuition reimbursement and performance-improvement projects so you can achieve certifications and degrees while gaining the knowledge and experience ne

Full-time

USD 109,304.00 - 174,886.40 per year

Sr. Software Developer - C#/WPF for UI/UX Development

Remote

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Today

Overview This is a great opportunity to join a fast-paced agile team that works with the latest technologies and patterns, asynchronous programming, and MVVM to design and develop next-gen Esri software. We are focused on designing and developing solutions for working with raster and imagery in ArcGIS Pro. Our tools support complex real-life workflows in 2D & 3D for raster / image processing and analysis. If you are excited about user interaction and user interface development, then join our cr

Full-time

USD 123,136.00 - 202,488.00 per year

Senior UI Developer jobs in O'Fallon, MO, USA