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# UI / UX Designer, Sr.

- **Company:** Washington and Idaho Railway Inc
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Salary:** $94,875.0 - $95,000.0
- **Contract:** Permanent contract
- **Skills:** Web Accessibility, Artificial Intelligence, Design of User Interfaces, Interaction Design, Software Product Management, Software Prototyping, Screen Reader, User-Centered Design, Web Content Accessibility Guidelines, Chatbots, Large Language Models, Figma, Virtual Agents
- **Published:** October 27, 2026
- **Apply:** https://arc.dev/remote-jobs/j/redirect/ptsw42j1oo

## About the Role

* 5+ years of UI/UX design experience with a portfolio showcasing complex digital products.
 * Strong knowledge of interaction design, information architecture, and usability principles.
 * Proficiency with modern design and prototyping tools such as Figma.
 * Excellent communication skills, capable of presenting design rationale to stakeholders at all levels, including executives, engineers, and clients.
 * Ability to work independently, taking ownership of end-to-end design processes.
 * Comfort working in ambiguous environments with evolving technical constraints.
 * Experience or familiarity with designing LLM-based products, chatbots, or agent workflows (preferred).
 * Background in media, advertising, or marketing technology (preferred).
 * Knowledge of accessibility standards and best practices, including WCAG 2.2 AA.
 * Experience with analytics or business intelligence interface design is a plus.
 * Design system contribution or maintenance experience is desirable.

## Description

We are seeking a highly skilled Senior UI/UX Designer to join our team at Dentsu. In this pivotal role, you will be responsible for shaping how users interact with AI-powered workflows and agent systems. Your expertise will be instrumental in designing conversational interfaces, agentic experiences, and self-service analytics tools that simplify complex AI behaviors and make them accessible, intuitive, and trustworthy for end-users. Collaborating closely with AI engineers and data scientists, you will translate technical capabilities into engaging user experiences that meet business objectives. This role requires a blend of creative design, technical understanding, and strategic thinking to deliver innovative solutions that enhance user engagement and satisfaction across global markets., * Design comprehensive end-to-end experiences for client-facing AI agent products, including conversational flows, agent handoffs, and automated workflows.

 * Develop interaction patterns for AI systems, such as handling uncertainty, error states, latency, and human-in-the-loop scenarios.
 * Create conversational interfaces and self-service analytics tools that make complex data science outputs accessible to non-technical users.
 * Establish and maintain reusable AI interaction components to streamline future product development.
 * Collaborate with AI engineers to understand system capabilities and constraints, ensuring feasible and resilient designs.
 * Lead user research initiatives with stakeholders to validate concepts, identify friction points, and inform product roadmaps.
 * Produce high-fidelity prototypes to demonstrate and test agent experiences prior to engineering implementation.
 * Champion accessibility standards, ensuring designs are compatible with screen readers, keyboard navigation, and dynamic AI content handling.
 * Develop and document UX standards, design rationale, and best practices for the AI product portfolio.
 * Work effectively with distributed teams across regions and time zones, fostering seamless collaboration.