Guim Gonzalez

Expert Flutter Developer & Serial Entrepreneur


🌍 From Barcelona, but the world is my playground.
🀝🏽 Proud CTO at Kuddl, the number one relationship care app for couples.
πŸš€ Expert Flutter developer with a strong background in GCP and a passion for the startup environment.
πŸ§‘πŸ½β€πŸ’Ό Throughout my career, I have successfully developed and deployed numerous projects, both as personal ventures and within startup companies.


Years of experience


Apps published


Business ventures

From Barcelona, ES πŸ‡ͺπŸ‡Έ

Personal projects

Here are some projects I've worked on as a hobby in the past few years.

Sports Buddy Business

Sports Buddy

A social media app for sports fans to connect with each other and share their favorite sports moments. Sports Buddy is a fully-functional social media app with a beautiful design with features like geolocation search, 1:1 chat, explorer mode, twitter-like feed, and more. Get in touch to learn more about how it became one of the top social apps in Spain back in 2022.

+10.000 active users

+3000 instagram followers

+4000 connections

B2B Business


An app for people in nightclubs to send request song to the DJ, send selfies to a public party live chat and connect with other people in the club. B2B has also an admin app for DJs and Clubs.

+10 clubs registered

+100 requestes songs

B2B admin Business

B2B admin

An app for DJs to get song requests from the audience and manage them in a queue, monitor their earnings and send broadcast messages to their audience.

+10 clubs registered

+100 requestes songs

Pretty Chess Just for fun

Pretty Chess

I love chess, so I developed a fully-customizable chess game with a beautiful design. You can customize your pieces set, board, theme, app icon and more. Make your own and perfect chess game!



We All Win Business

We All Win

I co-founded a social platform aimed at facilitating micro-donations for various NGOs, including United Way and the Gasol Foundation. Though the platform is no longer operational, I am eager to share my expertise and resources with those interested in exploring similar initiatives.

Gasol foundation partnership

United Way partenrship


Some technologies I get along with... πŸ§‘πŸ½β€πŸ’»

  • Firebase
  • Dart
  • JavaScript
  • TypeScript
  • Flutter
  • Astro
  • Google Cloud
  • Next.js
  • Git
  • Tailwind CSS