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I’m Guillermo Lozano Clavé, a UX/UI Designer focused on creating mobile-first digital experiences. I lead projects from discovery through launch, ensuring usability and alignment with audience research while guiding the evolution of scalable design systems with the frontend team. I’m passionate about translating business and editorial needs into clear, conversion-oriented interfaces and collaborating across product, technology, and content to drive engagement. I mentor and provide feedback to fellow designers to maintain visual coherence and high design standards. My approach blends research insights with practical UI decisions, aiming for consistent, accessible experiences across web and mobile platforms while partnering with marketing, education, and technology stakeholders to deliver meaningful digital products.…I’m Guillermo Lozano Clavé, a UX/UI Designer focused on creating mobile-first digital experiences. I lead projects from discovery through launch, ensuring usability and alignment with audience research while guiding the evolution of scalable design systems with the frontend team. I’m passionate about translating business and editorial needs into clear, conversion-oriented interfaces and collaborating across product, technology, and content to drive engagement. I mentor and provide feedback to fellow designers to maintain visual coherence and high design standards. My approach blends research insights with practical UI decisions, aiming for consistent, accessible experiences across web and mobile platforms while partnering with marketing, education, and technology stakeholders to deliver meaningful digital products.

Guillermo Lozano Clavé

UX Designer, UI Designer, Product Designer, +2

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I’m Guillermo Lozano Clavé, a UX/UI Designer focused on creating mobile-first digital experiences. I lead projects from discovery through launch, ensuring usability and alignment with audience research while guiding the evolution of scalable design systems with the frontend team. I’m passionate about translating business and editorial needs into clear, conversion-oriented interfaces and collaborating across product, technology, and content to drive engagement. I mentor and provide feedback to fellow designers to maintain visual coherence and high design standards. My approach blends research insights with practical UI decisions, aiming for consistent, accessible experiences across web and mobile platforms while partnering with marketing, education, and technology stakeholders to deliver meaningful digital products.…I’m Guillermo Lozano Clavé, a UX/UI Designer focused on creating mobile-first digital experiences. I lead projects from discovery through launch, ensuring usability and alignment with audience research while guiding the evolution of scalable design systems with the frontend team. I’m passionate about translating business and editorial needs into clear, conversion-oriented interfaces and collaborating across product, technology, and content to drive engagement. I mentor and provide feedback to fellow designers to maintain visual coherence and high design standards. My approach blends research insights with practical UI decisions, aiming for consistent, accessible experiences across web and mobile platforms while partnering with marketing, education, and technology stakeholders to deliver meaningful digital products.

Available to hire

I’m Guillermo Lozano Clavé, a UX/UI Designer focused on creating mobile-first digital experiences. I lead projects from discovery through launch, ensuring usability and alignment with audience research while guiding the evolution of scalable design systems with the frontend team. I’m passionate about translating business and editorial needs into clear, conversion-oriented interfaces and collaborating across product, technology, and content to drive engagement.

I mentor and provide feedback to fellow designers to maintain visual coherence and high design standards. My approach blends research insights with practical UI decisions, aiming for consistent, accessible experiences across web and mobile platforms while partnering with marketing, education, and technology stakeholders to deliver meaningful digital products.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Spanish; Castilian

Fluent

English

Intermediate

Work Experience

Lead UI Designer / UX Designer at Relevo

May 1, 2022 - June 1, 2025

Responsable de la interfaz de un nuevo medio digital mobile-first, desde la definición hasta el lanzamiento y la ejecución final, asegurando su usabilidad y alineación con la investigación de audiencia. Liderar la creación y evolución del design system, garantizando una implementación fiel, escalable y consistente junto al equipo de desarrollo front-end. Actuar como referente de UI dentro del equipo de producto, guiando y dando feedback a otros diseñadores para mantener la coherencia visual, los estándares de calidad y las buenas prácticas de diseño. Coordinarse con UX, research y analítica para incorporar insights de usuarios y datos cuantitativos y cualitativos en las decisiones de UI. Colaborar estrechamente con producto, tecnología y redacción para traducir necesidades editoriales y de negocio en interfaces claras y orientadas a la conversión y al engagement.

Senior UI Designer at SEK Education Group

June 1, 2017 - May 1, 2022

Definir, documentar y gestionar el design system de la institución, asegurando coherencia visual y de interacción a lo largo de múltiples productos y plataformas. Diseñar interfaces de usuario para productos web y móvil, traduciendo requisitos de negocio y de usuario en soluciones claras, intuitivas y escalables. Elaborar especificaciones de diseño detalladas y colaborar con los equipos de desarrollo para asegurar una implementación visual precisa y sostenible en el tiempo. Identificar problemas e inconsistencias visuales en los distintos productos digitales, proponiendo mejoras concretas y velando por el cumplimiento de las guías de marca. Colaborar con distintos stakeholders (educación, tecnología, comunicación) para alinear las decisiones de UI con los objetivos y la experiencia digital de la organización.

Brand & Visual Designer at SEK Education Group

September 1, 2011 - June 1, 2017

Responsable del desarrollo y la evolución del manual de identidad corporativa de la institución, asegurando la coherencia visual de la marca en todos los puntos de contacto. Creación de guías de estilo y bibliotecas de componentes visuales para unificar la comunicación gráfica entre distintos departamentos y proyectos. Diseño de piezas de comunicación online y offline alineadas con la estrategia de marca de la institución. Colaboración con los equipos de marketing y comunicación para adaptar la identidad visual a nuevos productos y servicios educativos.

Graphic Designer at Universidad Camilo José Cela

December 1, 2009 - September 1, 2011

Diseño de logotipos y elementos de identidad visual para proyectos y unidades internas de la universidad. Desarrollo de creatividades publicitarias y materiales gráficos para campañas institucionales y de captación de estudiantes. Maquetación y diseño de materiales para eventos, asegurando la consistencia con la imagen de marca de la universidad.

Freelance Designer at C&A · Agencia Tango°, Madrid Tennis Open · MadPoint, Clorofile, Observatorio eCommerce, UVEMA, Aequilibrium, Cazorla, La Senda

September 1, 2009 - Present

Diseño de sitios web y productos digitales, definiendo arquitectura de la información, jerarquía visual y propuestas básicas de interacción. Desarrollo de identidades corporativas (logotipos, sistemas visuales, guías de uso) para clientes de sectores como eventos, moda, salud y educación. Creación de materiales de comunicación visual y publicidad (creatividades para campañas, landing pages, newsletters, piezas para redes sociales y soportes impresos). Acompañamiento a los clientes en la definición de necesidades de negocio y objetivos de comunicación, proponiendo soluciones de diseño alineadas con su estrategia de marca.

Lead UI Designer at Relevo

May 1, 2022 - June 1, 2025

Responsible for the mobile-first digital media interface from definition to launch and final execution, ensuring usability and alignment with audience research. Lead the creation and evolution of the design system, ensuring faithful, scalable, and consistent implementation with the front-end team. Act as UI reference within product, guiding other designers for visual coherence, quality standards and best design practices. Coordinate with UX, research and analytics to incorporate user insights and quantitative/qualitative data into UI decisions. Collaborate with product, tech and editorial to translate editorial and business needs into clear, conversion-oriented interfaces.

Freelance Designer at Various Clients

September 1, 2009 - Present

Design websites and digital products, defining information architecture, visual hierarchy and basic interaction proposals. Develop corporate identities (logos, visual systems, guidelines) for clients in events, fashion, health and education. Create online/offline communication materials and campaigns; support clients in business needs and communication objectives.