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Luis Fernando Diaz

@luisfernandodiaz

UX/UI & Product Designer at Quark.i, turning complex data systems into clear experiences and validating business models with Figma prototypes.

Colombia

Message

At Quark.i, I design digital products end to end, using high-fidelity Figma prototypes to validate business models before development. I also translate complex business logic and data-heavy systems into clear, actionable experiences.

At LegalNova, I led UX and legal experience design for corporate stakeholders across LATAM, delivering 82% higher user satisfaction and reducing reading time for complex legal content by 30%. I also built and evolved design systems and reusable components across web and mobile experiences.

My work includes research and insight mapping for LegalNova’s Legal Design 360° and Legal Tech Workflow products, as well as Keep Off, a native smoking-cessation app I designed and AI co-built end to end. I’m interested in making complex services easier to understand and use.

Experience

Work history, roles, and key accomplishments

Current

Experience Design & UX Strategy Lead

Current

Quark.i

Jan 2025 - Present (1 year 10 months)

Structured and designed digital products end-to-end, delivering high-fidelity Figma prototypes that validate business models before development. Designed interfaces for complex data systems and led a UX workshop for the INNpulsa program.

Figma UX Strategy Product Design Information Architecture AI Tools Workshop Facilitation

Design Leader

LegalNova

Apr 2024 - Jan 2025 (9 months)

Led UX and legal experience design for corporate stakeholders, achieving +82% user satisfaction and reducing reading time of complex legal content by 30%. Drove +45% platform adoption and built design systems for web and mobile.

UX Design Legal Design Design Systems Information Architecture User Research

Design Thinker (UX Research & Design)

LegalNova

Apr 2023 - Apr 2024 (1 year)

Conducted user research and insight mapping for legal service design across finance, health, and logistics sectors. Produced 100+ communication assets and facilitated co-creation sessions for government and corporate organizations.

User Research Insight Mapping Service Design Prototyping Co Creation

IT Intern, Digital Communication

Takeda

Jul 2021 - Jan 2022 (6 months)

Designed and prototyped internal digital experiences for corporate communication and learning, improving content usability for regional teams. Redesigned internal IT information flows to reduce friction in content access.

Prototyping Digital Communication Information Design