Théo Arena
PTEN
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Hi, I'm Théo.

I'm a Design Engineer and Frontend Developer with 15+ years of experience, focused on bridging strategic design thinking with technical precision in code. I embrace an AI-First mindset to streamline development workflows, always delivering high-quality experiences, technical rigor, and clear business value.

Latest projects

How I reduced churn and cut onboarding by 60 days

Redesigning the digital consulting experience

  • UX|
  • UI|
  • Research|
  • Data analysis|
  • Design system|
  • Mobile|
  • Desktop|
  • White Label|
  • Figma
Evolutto
How I reduced churn and cut onboarding by 60 days

Simplifying energy analysis and management

Design of a product that turned something complex and time-consuming into an intuitive and efficient experience

  • UX|
  • UI|
  • Design system|
  • Figma
Energypass
Simplifying energy analysis and management

Supporting riverside communities in the Amazon

Institutional website redesign that improved communication, fundraising and consolidated NAPRA as a social transformation agent

  • UX|
  • UI|
  • Frontend|
  • Backend|
  • Wordpress
Napra
Supporting riverside communities in the Amazon

Simplifying consortium simulations

A portal that delivers consortium simulations across multiple modalities

  • UX|
  • UI|
  • Frontend|
  • Backend|
  • Laravel
Youcons
Simplifying consortium simulations