Hi there! 👋🏼

I'm Fernando César Vignau

Senior Product Designer

Selected projects

A curated selection of work spanning enterprise SaaS, consumer apps, eCommerce and AI-driven products.

Research User Testing UX UI

Rewards+

A versatile, customer-centric, content agnostic marketplace to increase loyalty and engagement.

Personal Project

Spotify

While Spotify is a great app, the UX could be clearly improved. This is my approach to fixing it.

Personal Project Figma + Claude + Android Studio

Weiki

A fully vibe coded app currently available in the Play Store. Hand design + MCP Figma + Claude.

Research User Testing UX UI

Digital Concierge

Complete digital overhaul of an outdated concierge service to drive engagement and usage.

Research User Testing UX UI

Agent Support Tool

A white-label, scalable CMS for seamless management of customer-related tasks.

Research User Testing UX UI

Santander Boosts

A gamified loyalty marketplace for 3.4M customers to drive acquisition, retention and advocacy (NPS).

Personal Project Figma + Claude + Android Studio

Naiti

A fully vibe coded app currently available in the Play Store. Hand design + MCP Figma + Claude.

Research Branding Graphic & Web Design

ClubRural

Rebranding, web redesign and UX improvements for a rural accommodation website.

Branding Graphic & Web Design SEO

Supplemed

Complete redesign of a male-only supplements eCommerce and SEO strategy implementation.

Personal Project Figma + Claude + Android Studio

Buddhy

A fully vibe coded app currently available in the Play Store. Hand design + MCP Figma + Claude.

WIP

Personal Project

Amazon

Amazon is a great platform, but let's be honest, the UX is a mess. This is my approach to fix it.

Skills & Tools

Bringing together deep craft skills, research methods, and leadership experience.

Design

UX Research
Design Thinking
Wireframing
Visual Design
Interaction Design
Prototyping
User Testing
Design Systems
Accessibility

Tools

Figma
Sketch
Zeplin
Abstract
Claude
Stitch
MCP
Android Studio
Xcode

Methodologies

User Interviews
Usability Testing
A/B Testing
Journey Mapping
Design Sprints
Heuristic Review

Leadership

Team Management
Stakeholder Comms
Roadmap Planning
Cross-Functional Collab
Mentoring

About me

Leveraging AI to bring business and user needs together.

Hey there!

I'm Fernando, a Senior Product Designer with +15 years of experience. I love building amazing products, shaping design culture, and bridging the gap between design, product and engineering to ship work that makes a real difference.

Some of the companies I've worked with...

Experience

Download my CV

2024 - Currently Senior Product Designer Openbank

2023 - 2024 UX/UI Consultant Capillary Technologies

2013 - 2023 Senior UX/UI Manager Tenerity

2011 - 2013 Branding & Digital Manager ClubRural

2009 - 2011 eCommerce Graphic & Web Designer Amazon

2007 - 2009 Graphic & Web Designer Andromedical

Other relevant experience

Wlasses Co-Founder

UCM Teacher

Público Illustrator