Ux jobs in Brazil

UX Designer III, AI-Focused

WEX is an innovative payments and technology company at the forefront of a rapidly evolving landscape. We aim to simplify the business of running a business, empowering our customers to focus on what they love while reducing complexity and worry. As we strive to build a unified, world-class user experience, we are embracing emerging technologies—particularly AI, machine learning, and generative models—to reimagine our products and services from the customer’s perspective.

About the team:

As a team, we value a variety of perspectives and experiences. We bring our best selves to work every day because we are passionate about solving problems for our users. You will bring your design expertise to both existing and new products. We iterate quickly as new ideas arise and the project's demands alter. We offer UX guidance to a wide audience and actively participate in all stages of projects. Our success is a result of successfully managing and developing cross-disciplinary connections with authors, designers, developers, and creative technologists. We contribute ideas and work well with these cross-functional teams to create concise UX proposals.

As a UX Designer III with a focus on AI-driven solutions, you’ll shape the end-to-end design of new and existing AI-powered experiences across a diverse set of domains including health, travel, payments, and fleet management. You will lead the creation of intuitive interfaces and interaction models that leverage large language models, chatbots, and other advanced AI capabilities. Collaborating closely with product managers, engineers, data scientists, and researchers, you’ll translate complex AI functionality into seamless, ethically responsible, and delightful user experiences. You’ll be instrumental in driving a design vision that marries user-centered principles with emerging AI opportunities.

• Strategic Design Leadership: Define and implement a unified design vision for AI-driven features, ensuring consistency and usability across desktop and mobile platforms.
• Shape the product strategy in partnership with senior leaders, aligning design decisions with WEX’s corporate goals, market trends, and the evolving capabilities of AI technologies.
• Advocate for responsible and ethical AI integration, balancing innovation with user trust and transparency.
• Technical & Creative Execution: Design end-to-end workflows for AI-based interactions—such as generative AI content suggestions, intelligent search, and conversational interfaces.
• Create wireframes, high-fidelity mockups, and prototypes that showcase complex AI functionalities in simple, intuitive ways.
• Develop AI-informed personas, journey maps, and conceptual diagrams to guide product development and influence the design system with AI-specific patterns and components.
• Experiment rapidly, leveraging a test-and-learn methodology to refine interactions and optimize for user outcomes.
• Collaboration & Communication: Partner with product managers, AI researchers, data scientists, and engineers to translate technical capabilities into compelling user-facing features.
• Present design proposals, iterate based on stakeholder feedback, and maintain strong relationships across cross-functional teams to ensure seamless implementation.
• Engage with internal AI research communities, staying current on emerging technologies and influencing their application in WEX’s ecosystem.

• Strategic Mindset: Understand and align with WEX’s strategy, applying AI-driven design to meet evolving user and business needs.
• User-Centric: Champion user empathy, conducting research and usability testing to inform design decisions that solve real user problems.
• Applied Expertise: Leverage deep design knowledge, industry best practices, and AI design patterns to create elegant, forward-thinking solutions.
• Innovation Focused: Remain curious and proactive, exploring the latest AI techniques, tools, and frameworks to push boundaries.
• Cross-Functional Collaborator: Foster alignment and inspiration across functions, communicating the value of AI-driven UX to diverse audiences.
• Results Focused: Use metrics, data, and iterative experimentation to ensure your designs deliver measurable improvements to the user experience and business outcomes.

• Solid experience in UX design, with a track record of creating intuitive interfaces in complex domains.
• Bachelor’s degree in a relevant field; advanced education in HCI, Interaction Design, or a related discipline is a plus.
• Experience designing for AI/ML-driven products—such as chatbots, generative AI tools, or advanced search interfaces—is strongly preferred.
• Proficiency in Figma and related design/prototyping tools; familiarity with component-based design systems and responsive, device-agnostic design.
• Understanding of brand guidelines, localization, and multilingual platforms (e.g., English, Spanish, French).
• Strong storytelling skills to communicate design rationale and a willingness to navigate ambiguity at a fast pace.
• Demonstrated ability to collaborate effectively with cross-functional teams, from engineers and data scientists to product managers and researchers.

If you’re excited about shaping the next generation of AI-driven user experiences and influencing how thousands of users interact with intelligent products, we’d love to hear from you. Join us and help WEX push the boundaries of what’s possible.