I am Marcelo Diaz, a UX and Digital Designer with over a decade of experience helping business owners around the world build impressive digital presences. I specialize in user-centered design, web and app development, and creating scalable design systems that align with business goals.
In my recent roles, I have led end-to-end UX projects, collaborated with cross-functional teams, and delivered measurable improvements in user engagement and retention. I thrive on turning complex problems into intuitive interfaces and robust, responsive experiences.
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I recently completed TrainElitePro, a full-stack platform connecting trainers and clients. While the UI focuses on a high-performance “dark mode” aesthetic, the real challenge was building a robust, type-safe architecture.
Key Technical Implementations:
Architecture: Built with Next.js 14 (App Router) for optimized SSR, ensuring trainer profiles are SEO-friendly and load instantly.
Data Orchestration: Integrated Supabase (PostgreSQL) for real-time data. I implemented relational queries to dynamically hydrate trainer profiles with their specific training tiers and metadata.
Performance Optimization: Solved asset delivery bottlenecks by configuring a custom Image Loader for Supabase Storage. I mapped dynamic paths to public CDNs while maintaining W3C/WCAG accessibility standards.
Fluid Motion: Leveraged Framer Motion for layout projections and micro-interactions, creating a tactile “premium” feel that reduces perceived latency.
State Logic: Developed a client-side filtering system handling multi-parameter searches (rating, location, specialty) with a custom pagination hook to keep the DOM light.
The “Under the Hood” Takeaways:
Type Safety: Used strict TypeScript interfaces to map database schemas to frontend components, eliminating runtime errors.
UX Polish: Implemented skeleton loaders and staggered entrance animations to manage asynchronous states gracefully.
Efficiency: Utilized Tailwind CSS for a zero-runtime CSS footprint and optimized LCP (Largest Contentful Paint).
This project was a deep dive into balancing clean code architecture with Senior-level UI execution.
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