Senior UI / UX Designer

Senior UI/UX Designer We are a leading global media agency, shaping the future of content, advertising, and audience engagement across platforms. Our product organization powers innovative solutions for clients worldwide, leveraging data, technology, and creativity. As a Senior UI/UX Designer for Dentsu, you will shape how users interact with AI-powered workflows and agent systems. This hands-on role focuses on designing conversational interfaces, agentic experiences, and self-service analytics tools that make complex AI behavior intuitive and trustworthy. You will work closely with AI engineers and data scientists to translate technical capabilities into effective end-user experiences. Key Responsibilities AI Product Experience Design: Design end-to-end experiences for client-facing AI agent products, including conversational flows, agent handoffs, and multi-step automated workflows. AI Interaction Patterns: Define patterns for uncertainty and confidence communication, error and fallback states, latency handling, and human-in-the-loop moments. Conversational & Analytics Design: Create conversational interfaces and self-service analytics experiences that make complex data science outputs, including MMM, forecasting, and incrementality, accessible to non-technical users. Design Systems: Create and maintain reusable AI interaction components that accelerate future product deployments. Cross-functional Collaboration: Partner with AI engineers to understand system capabilities and constraints, ensuring designs are feasible, resilient, and accurately represent model behavior. Research & Validation: Lead discovery and user research with client stakeholders to validate concepts, identify friction, and inform the product roadmap. Prototyping: Produce high-fidelity prototypes to test agent experiences before engineering investment. Accessibility: Champion WCAG 2.2 AA standards, including screen-reader compatibility, keyboard navigation, and accessible handling of streaming and dynamic AI content. Standards & Documentation: Establish UX standards, documentation, and design rationale records for the AI product portfolio. Global Collaboration: Work effectively with distributed teams, including offshore engineering, across regions and time zones. Requirements Must Have 5+ years of UI/UX design experience, supported by a portfolio demonstrating shipped, complex digital products. Strong command of interaction design, information architecture, and usability principles. Proficiency with modern design and prototyping tools, such as Figma. Excellent communication skills, with the ability to present design rationale to executives, engineers, and clients. Demonstrated ability to work independently and own design decisions end to end. Comfort working with ambiguity and changing technical constraints. Nice to Have Experience designing LLM-based products, including chatbots, copilots, or agent workflows. Familiarity with LLM concepts such as prompting, RAG, tool use, and model limitations. Background in media, advertising, or marketing technology. Experience designing analytics or business intelligence experiences, including dashboards and self-service data exploration. Experience contributing to or maintaining a design system at scale. Accessibility certification, such as IAAP CPACC or WAS, or experience conducting accessibility audits and assistive technology testing. Experience designing asynchronous, event-driven, or streaming interfaces. What We Value User-first thinking and empathy for users navigating AI uncertainty. Attention to detail in interaction design and accessibility. Curiosity about how AI systems behave and how to design around their limitations. Ownership and accountability for design decisions and their impact. Strong communication and the ability to influence across disciplines. Pragmatic problem-solving and comfort with ambiguity. Collaboration across distributed teams and time zones. Passion for building trustworthy AI experiences that users understand and trust. Additional Information At dentsu, we believe great work happens when we're connected. Our way of working combines flexibility with in-person collaboration to spark ideas and strengthen our teams. Employees who live within a commutable distance of one of our hub offices, currently located in Chicago, Metro Detroit, Los Angeles, and New York City, are required and expected to work from the office three days per week (two days per week for employees based in Los Angeles). Dentsu may designate other Hub offices at any time. Those who live outside a commutable range may be designated as remote, depending on the role and business needs. Regardless of your work location, we expect our employees to be flexible to meet the needs of our Company and clients, which may include attendance in an office. The annual salary range for this position is $94,875 - $95,000. Placement within the salary range is based on a variety of factors, including relevant experience, knowledge, skills, and other factors permitted by law. Benefits available with this position include: medical, vision, and dental insurance, life insurance, short-term and long-term disability insurance, 401k, flexible paid time off, at least 15 paid holidays per year, paid sick and safe leave, and paid parental leave. Dentsu also complies with applicable state and local laws regarding employee leave benefits, including, but not limited to, providing time off pursuant to the Colorado Healthy Families and Workplaces Act, in accordance with its plans and policies. For further details regarding Dentsu benefits, please visit To begin the application process, please click on the "Apply" button at the top of this job posting. Applications will be reviewed on an ongoing basis, and qualified candidates will be contacted for next steps. Location: USA - Remote - Maryland Brand: Merkle Time Type: Full time Contract Type: Permanent Dentsu is committed to providing equal employment opportunities to all applicants and employees. We do this without regard to race, color, national origin, sex, sexual orientation, gender identity, age, pregnancy, childbirth or related medical conditions, ancestry, physical or mental disability, marital status, political affiliation, religious practices and observances, citizenship status, genetic information, veteran status, or any other basis protected under applicable federal, state, or local law. Dentsu is committed to providing reasonable accommodation to, among others, individuals with disabilities and disabled veterans. If you need an accommodation because of a disability to search and apply for a career opportunity with us, please send an e-mail to View email address on click.appcast.io by clicking on the link to let us know the nature of your accommodation request and your contact information. We are here to support you. Dan Global