David Justo

Works

These case studies are a bit long. I write about what actually happened — the constraints, the decisions, the trade-offs. Not just the pretty screens. Thanks for stopping by—I hope you find something useful.

• Energy/Telco · 2025 · 8 min read

  Safety
  Ecosystem
  Redesign

  A safety-critical inspection platform for thousands of field technicians — redesigned offline-first, lifting its SUS score to 84/100.

  UX DESIGNRESEARCH FIGMALEGACY
• Txintxa · 2012 · 6 min read

  Multi‑Sport
  Court System
  Design

  A modular multi-sport court built from surplus stock — TÜV-certified, award-winning, and still in daily use 15+ years later.

  INDUSTRIAL DESIGNTÜV CERT. MODULARREAL-WORLD
• Banking App · Confidential

  Banking App
  Support System
  Design

  Coming Soon

  A contextual help ecosystem for a major banking app, surfacing just-in-time support exactly when users need it.

  DESIGN THINKINGSUPPORT SYSTEMS FIGMACRAZY 8S
• Codeus · Ed-Tech

  Codeus
  Global Brand
  System Design

  Coming Soon

  An ecobranding system for ed-tech in developing countries — an identity engineered to use less ink.

  

  BRAND SYSTEMECOBRANDING PRINT