UX Designer & AI Expert

We are Nacar . A solution-first creative partner helping ambitious organizations shape and deliver the right products, services and experiences — with clarity, rigor and creative excellence. Rooted in Palo Alto, Barcelona , and with studios in Bilbao, Guadalajara, Porto Alegre and China, we're a global team of 130+ Nacarians from more than 23 nationalities . This role will be based in our Barcelona studio. Twenty years, 70 design awards and 10+ client ecosystems later, we've learned that creativity is only worth something when it turns into real solutions. That's why we work in a way that connects craft with systems — building things that don't just look right, but perform , scale and generate measurable value for our clients. A Nacarian is a creative orchestrator, shaped by Criteria , Adaptability and Ownership . Someone who reads complexity, anticipates what matters, and moves fast with intent. We come from different disciplines — strategy, research, industrial and digital design, brand, service, engineering — but we share the belief that great ideas only matter when they become real. Nacar is entering a new chapter. We're strengthening our capabilities, growing into new markets, and building the organization that will shape what's next. With a hybrid work model and flexible hours , we're powered by a culture of communication , collaboration and ownership — with the ambition of becoming the trusted creative decision partner for the leaders redefining the future of their industries. If you're excited by building — not just joining — this is a great moment to be here. Is this something you feel identified with? We're currently looking for a UX Designer, AI Experiences to join our team and help shape the future of AI-powered SaaS experiences — designing intuitive, user-centered interfaces while actively leveraging AI throughout the design and product development process to accelerate innovation, improve quality and deliver user value faster. -What will your day to day be like?- You will: Design AI-powered user experiences for SaaS platforms — including copilots, agents, intelligent assistants, workflow automation, conversational interfaces and predictive experiences. Define interaction patterns that effectively balance human control with AI-generated recommendations and actions. Create intuitive experiences that build user trust through transparency, explainability and appropriate feedback mechanisms. Conduct and synthesise user research to identify opportunities and improve overall user experience solutions. Create detailed design specifications and documentation that facilitate efficient engineering implementation. Develop scalable design assets , component definitions and interaction patterns that streamline handoff to development teams. Leverage AI tools throughout the design lifecycle — accelerating discovery, ideation, prototyping, content creation, documentation and validation. Apply AI-driven workflows to increase design efficiency while maintaining high-quality user experiences. Use AI to generate and iterate on wireframes, user flows, design concepts, UX copy and specifications. Continuously evaluate and adopt new AI tools , methodologies and frameworks that improve team productivity. Extend and evolve design systems to support emerging AI interaction patterns — defining reusable AI experience patterns, guidelines and best practices. Contribute to organisational standards for AI-native product design and advocate for responsible, ethical and user-centered AI experiences. Collaborate closely with Product Management, Engineering, Data Science and Research teams to deliver industry-leading experiences that seamlessly integrate AI into complex enterprise workflows. -What are we looking for?- 5+ years of experience in UX , Product Design , Interaction Design or related disciplines. Proven experience designing AI-powered products for enterprise or SaaS platforms. Strong portfolio demonstrating AI-driven user experiences and complex workflow design. Deep understanding of AI interaction patterns — including conversational UX, copilots, intelligent recommendations and automation workflows. Experience incorporating AI tools into day-to-day design workflows to improve speed, quality and efficiency. Experience creating high-fidelity prototypes, workflows, user flows, wireframes and production-ready specifications using Figma and AI-powered tools. Passion for emerging technologies , with a mindset of continuous experimentation with new AI capabilities. Excellent communication , storytelling and stakeholder management skills. Fluent in English (written and spoken). -Why should you join?- This is a unique opportunity to bring your craft into projects that generate real, measurable impact — working alongside a global team that turns complexity into solutions worth building. If that sounds like your kind of challenge, we'd love to meet you. We also offer: 🔖Permanent contract. 💰Competitive salary 🏡Hybrid working model - you can either work from home or enjoy our beautiful studio (with free coffee and a great garden!). 🌈Join a dynamic +15 nationalities community and enjoy our team-building activities. 📚Keep challenging yourself with our Nacar Academy training program, aligned with the creation of personalized career paths. ✨26 paid vacation days. 💯Monthly allowance for internet costs and a budget for working-from-home materials. 🍎Health Insurance. 🚀Flexible working hours. 🆓Free tickets for the Palo Alto Market 😃