About The RoleWe are seeking a Middle UI/UX Designer to join our design team. In this role, you will create intuitive, user-centered, and visually compelling experiences for AI-driven platforms, mobile apps, and web applications. You will work closely with product managers, engineers, and other stakeholders to develop solutions that balance user needs and business goals. You will also get to design for products across all sorts of industries and platforms, making this an exciting place to exercise your design muscles.Todas las habilidades, cualificaciones y experiencia relevantes que necesitará un candidato seleccionado se enumeran en la siguiente descripción.About The RoleWe are seeking a Middle UI/UX Designer to join our design team. In this role, you will create intuitive, user-centered, and visually compelling experiences for AI-driven platforms, mobile apps, and web applications. You will work closely with product managers, engineers, and other stakeholders to develop solutions that balance user needs and business goals. You will also get to design for products across all sorts of industries and platforms, making this an exciting place to exercise your design muscles. This role requires a high level of creativity, collaboration, and attention to detail. The adecuado candidate has a strong background in UI/UX design, an eye for aesthetics, and a passion for delivering exceptional user experiences.Key ResponsibilitiesContribute to the design process from concept to implementation for individual clients and NineTwoThree projects following industry best practices and company proceduresDeliver well-structured Figma boards with components,



symbols and brand styles that remain consistent throughout the design process and have a single source of truth for all elements that update entire systemsDevelop wireframes, interactions, and high-fidelity UI designs using FigmaCreate prototypes when delivering design ideas to illustrate different design solutions and test hypothesesCollaborate with product managers, engineers, and stakeholders to translate complex requirements into user-friendly designsPrepare high-quality, developer-ready designs covering most edge cases and ensure smooth handoff to engineering teams, providing specs, assets, and documentation as needed.Explore ways to optimize the design process, including using AI tools, and share findings with the teamPresent and explain design ideas to teammates and clients, grounding your rationale in user needs, business goals, and established design principlesParticipate Actively in multiple projects simultaneouslyStay updated with UI/UX standards and guidelines to ensure our applications are intuitive and follow familiar patternsRequirementsAt least 3 years as a UI/UX Designer, with a portfolio that shows user flows,



usability and visual design for established brandsExperience designing for AI-driven applicationsExperience designing responsive mobile and web apps, and working knowledge of Material Design and Apple's Human Interface GuidelinesStrong visual fundamentals: typography, composition, layout, grids and colour, with close attention to detailAdvanced Figma: team libraries, auto layout, component properties and prototypingExperience contributing to a shared design system and giving and receiving design feedbackComfortable in a fast-paced agile environment with clear processes, tight deadlines and several projects at onceClear written and spoken communication, working remotely and asynchronously across departmentsUpper-Intermediate English (B2) or higherWill be an advantageHands-on use of AI tools, such as Claude, Cursor or Codex, in the design workflowExperience building working prototypes in code with AI tools such as Claude or Cursor (React, Next. xqbhyrx js, Tailwind)Interaction design experience: states, transitions between steps, feedback and edge casesYou’ll Thrive If YouEnjoy designing non-trivial web appsLike to be challenged and learn fastCan work independently through the full design cycleCommunicate clearly in writing and through presentationsYou Might Struggle If YouTake weeks to deliver resultsAre not used to feedback from Product Managers, Engineers and QAsRely solely on visual aesthetics or general design trendsBenefitsHiring process: We value your time and ours and make the process fast and easy. Our interview process takes the following steps: {HR interview, technical interview with COO/CTO and Head of Product, Offer}#J-18808-Ljbffr

📌 Middle Ui/Ux Designer (Madrid)
🏢 NineTwoThree AI Studio
📍 Madrid