Top Senior UX Designer Jobs in St. Louis, MO

Looking for a Senior UX/UI Designer with expertise in eCommerce to create user-first experiences on platforms like Salesforce and Shopify. Responsibilities include cross-functional collaboration, crafting engaging designs, and utilizing Figma and Adobe tools.

The UI/UX Web Designer will manage the entire design process, create innovative website designs, collaborate with teams, and deliver high-quality digital products while ensuring user-centered design principles are followed.

Lead UX designer to create user flows, high-fidelity screens and prototypes for complex, data-heavy enterprise workflows. Extend the design system for AI-first patterns, ensure multi-device and offline coherence, influence product direction, partner with engineering, and drive work from sketch to delivery. Strong communication and leadership required.

Senior UX Designer responsible for leading UX craft and strategy, creating Figma wireframes/prototypes, conducting user research and usability testing, presenting data-driven design decisions to stakeholders, integrating design standards into engineering workflows, facilitating workshops, and exploring AI tools to improve user workflows and design efficiency.

Design and prototype end-to-end product experiences, meet customers for research, create evaluable design presentations, partner with Product and Engineering to define vision and deliverable features, and help create and document a reusable design system.

Lead UX design for complex user interfaces, create wireframes/prototypes in Figma, drive data-informed design, conduct user research and usability testing, present decisions to stakeholders, integrate design standards into engineering workflows, facilitate workshops, apply AI tools to UX, and ensure clear documentation and developer handoffs to deliver user-centered end-to-end solutions.

The Principal UX Designer will define web experience strategy, translate complex requirements into user experiences, lead design work, and influence cross-functional partners, while leveraging data and modern tools.

Design intuitive web and mobile product experiences, contribute across feature areas, use and evolve the design system, prioritize shipping high-impact work quickly, collaborate with PMs and engineers, and demonstrate strong visual and interaction design via portfolio/case studies.

Lead end-to-end UX for native iOS and Android mobile products for healthcare providers. Conduct user research and validation, design clinical workflows, evolve mobile design system components, partner with Product, Engineering, Compliance, and mentor junior designers. Drive product strategy through evidence-based design and support implementation through prototyping and build reviews.

Lead end-to-end UX and UI design for an AI-native product suite: research, high-fidelity UI, prototyping, and engineering handoff. Design conversational and AI-agent interactions, steward a scalable design system, collaborate tightly with AI-assisted engineers, and balance hands-on design (80–85%) with research and cross-functional advocacy.

Design and iterate intuitive, accessible user interfaces and experiences. Conduct user research and usability testing, create wireframes, prototypes, and high-fidelity UI designs, collaborate with product and engineering, and maintain the design system and style guide to ensure consistent, user-centered digital products.

Lead creation and stewardship of a scalable, token-driven design system across the product portfolio. Build Figma component libraries and token architecture, document component specs and accessibility requirements, partner with front-end engineers to implement WCAG 2.1 AA–compliant components, run audits and roadmaps, establish governance and contribution workflows, evangelize the system internally, and mentor/shape the design systems function.

Seeking a Senior UI/UX Designer to lead web experience creation from concept to execution, collaborating closely with cross-functional teams and clients.

Lead UX Designer will lead product design across member journeys and internal tools from discovery through prototypes, testing, and shipped experiences. Own and evolve the design system (responsive, accessibility, localization, dark mode), produce clear specs for AI agents and engineers, review shipped work, iterate from user feedback, and partner closely with engineers, customers, and stakeholders.

Remote contract UX/UI Designer to create user-centered web and mobile designs that help train next-generation AI. Contribute high-quality design artifacts, use Figma and analytics, collaborate in agile teams, meet minimum weekly task submissions, and start quickly after onboarding.

Owner of conversion-focused UX/UI across PDPs, checkout, landing pages, and post-purchase flows. Build and govern the Figma design system, design A/B test variants with hypotheses and metrics, analyze results, and deliver production-ready handoffs within sprint cadence. Partner with CRO and engineering to scale design practices and improve conversion metrics.

As a Lead UX Designer, you will direct UX strategies, collaborate with cross-functional teams, and create user-focused experiences, enhancing product usability and engagement.

Lead end-to-end UX design for scalable collaborative online learning products. Own projects from problem exploration to implementation, produce production-ready mocks, conduct user research and testing, collaborate with PMs and engineers, and contribute to product strategy and design system evolution.

As a Senior Product Designer, you will lead the UX/UI design of web-based tools, simplify complex workflows, collaborate with cross-functional teams, and influence product strategy while championing design systems.

Design high-quality, polished user interfaces and maintain UI components and design systems. Refine layouts, typography, spacing, and visual consistency. Work closely with product and engineering to deliver pixel-perfect, fast, and intuitive experiences while continuously improving product interface quality.

Lead UI/UX design for an AI-driven pharmaceutical research platform: create wireframes, prototypes, visual designs, conduct user research and usability testing, collaborate with AI engineers, maintain product backlog and brand guidelines, and build web interfaces using HTML/WordPress.

The Senior UX/UI Designer will own design features at Syllo, collaborating closely with design, product, and engineering teams to deliver polished user experiences, managing design systems and iterating efficiently.

As a Lead UX Designer, you'll lead UX direction across client projects, translating ambiguous goals into user-friendly designs while collaborating with cross-functional teams to improve usability and engagement.

Lead UI/UX Designer to own end-to-end customer experiences across web and mobile. Conduct UX research, create flows, wireframes, prototypes and high-fidelity designs, optimize conversions via analytics and A/B testing, maintain design systems, ensure accessibility, collaborate with developers and marketing, mentor designers, and drive projects from concept through execution.