SantiagoRequelme

Wellbeinn

Full-time · Spain · Remote

• Lead UX/UI design across Wellbeinn's digital products, from early concepts and user flows to high-fidelity interfaces and prototypes for mobile apps and web.
• Design product experiences across user profiles, use cases and hardware configurations, connecting apps with wearables and connected devices.
• Build high-fidelity interactive prototypes in HTML, CSS and JavaScript to validate UX before implementation.
• Develop and maintain the design system: tokens, typography, components, states and interaction patterns.
• Designed the Wellbeinn Mate app end to end for iOS and Android, from research and flows to UI and design system.
• Designed and developed the Wellbeinn Band product landing page.
• Design motion and interaction patterns with GSAP, and use Claude Code to prototype and validate decisions directly in the browser.

• Figma
• Design Systems
• GSAP
• HTML
• CSS
• JavaScript
• Claude Code

Jobbex IT

Freelance · Portugal · Remote

• Owned the end-to-end design process in Figma, from user flows and wireframes to high-fidelity UI, translated directly into production Angular / TypeScript / SCSS.
• Designed and built a library of 30+ components on a token-based architecture with Tailwind CSS.
• Audited and remediated WCAG compliance, raising the accessibility score from 30% to 95%.
• Refactored legacy UI with component-driven development, using Claude Code and Cursor to speed up the work.

• Angular
• TypeScript
• SCSS
• Tailwind
• Figma
• WCAG

RIU Hotels · Mindata

Global B2B SaaS platform · Multi-squad team

• Embedded as a product engineer, owning features end to end in React / Angular + TypeScript: discovery, architecture, build and post-launch iteration.
• Built data-intensive apps and complex UIs that turn large datasets into clear interfaces for stakeholders and end users.
• Architected reusable component systems and Design System foundations across squads, reducing UI defects by 30%.
• Resolved Core Web Vitals bottlenecks (Lighthouse 40 → 100) through rendering changes, asset optimization and refactors.
• Contributed to CI/CD (GitLab CI / Jenkins), automated Figma-to-code pipelines with AI tooling and mentored developers.

• React
• Angular
• TypeScript
• Design Systems
• Core Web Vitals
• GitLab CI
• Jenkins

Freelance projects

B2B and enterprise clients · Full ownership

• Led product discovery and delivery across client engagements, iterating from direct user feedback.
• Architected Design Systems in React + TypeScript with tokens, variants and versioning, cutting code duplication by 35% and speeding delivery 30-45%.
• Built data-facing UIs and component libraries from scratch, with fluid interfaces in Framer Motion and Tailwind CSS.

• React
• TypeScript
• Tailwind
• Framer Motion
• Design Tokens

Moby Digital

SPA and CMS projects · Agile delivery

• Built production SPAs and reusable CMS components, translating Figma / Sketch designs into performance-optimized interfaces.
• Delivered within Agile / CI-CD workflows (GitLab CI), boosting code reusability by 40% through systematic componentization.

• JavaScript
• SPA
• CMS
• GitLab CI
• Figma
• Sketch

Darwoft

Angular + React · Agile / Scrum

• Built the Angular UI of a virtual wallet application, with first professional exposure to React under technical mentorship.

• Angular
• React