Hi, I'm Rafel

Full-Stack Developer/Blockchain Developer/UX-UI Designer

Contact Me
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Portfolio

Most recent projects
All Web Blockchain UX/UI

Esoterika

GitHub Demo

Ui/Ux
Designer

  • I develop the user interface.

  • Web page development.

  • I create ux element interactions.

  • I position your company brand.

Imago

GitHub Demo

Ui/Ux
Designer

  • I develop the user interface.

  • Web page development.

  • I create ux element interactions.

  • I position your company brand.

VanDer

GitHub Demo

Ui/Ux
Designer

  • I develop the user interface.

  • Web page development.

  • I create ux element interactions.

  • I position your company brand.

Versa

GitHub Demo

Versa
OpenAI Article Summarizer

  • An open-source article summarizer that transforms lengthy articles into clear and concise summaries using GPT-4.

  • Build on: React, Tailwind, Redux and GPT-4 API.

Molecule

GitHub Demo

Ui/Ux
Designer

  • I develop the user interface.

  • Web page development.

  • I create ux element interactions.

  • I position your company brand.

XRP

GitHub Demo

Ui/Ux
Designer

  • I develop the user interface.

  • Web page development.

  • I create ux element interactions.

  • I position your company brand.

ASP

GitHub Demo

Ui/Ux
Designer

  • I develop the user interface.

  • Web page development.

  • I create ux element interactions.

  • I position your company brand.

Centered

Case Study

Centered
A personalized journey to a balanced state of mind

  • Figma

  • Adobe Ilustrator

  • Adobe Photoshop

  • I followed a linear UX design process to ensure that my decisions where supported through user research and feedback loops.

SoundFind

GitHub Demo

Ui/Ux
Designer

  • I develop the user interface.

  • Web page development.

  • I create ux element interactions.

  • I position your company brand.

About Me

My introduction

As a Web and Blockchain developer, I have been fortunate to gain a comprehensive understanding of web technologies throughout my professional journey. My experience also extends to UX/UI design, an area where I've focused on delivering consistent quality work. You can learn more about me and my hobbies in the links below.

BIO My
story
ART My art
Collection
TYPE My
writings
English CV
Spanish CV

Skills

My technical level

Frontend developer

More than 4 years

HTML

90%

CSS

90%

JavaScript

70%

React

70%

npm

75%

Tailwind

85%

Git

85%

Jest

65%

Backend developer

More than 2 years

PHP

80%

Java

50%

C

70%

Node Js

70%

Firebase & MongoDB

80%

Postgresql & MySQL

90%

API's

68%

Git & GitHub

80%

Docker

70%

Blockchain developer

More than 5 years

Solidity

90%

Plutus

10%

Marlow

45%

UX/UI

More than 5 years

Figma

90%

Sketch

85%

Adobe Suite

85%

Qualification

My personal journey
Education
Work

Web Development

Spain - University
2022 - 2024

UX/UI Design

Spain - Google
2022

Geography, History, & Art History

Spain - University
2018 - 2022

Editorial Direction

Spain - Institute
2020 - 2022

Full Stack Web Developer

Freelance - Remote
2022-Currently

Web developer & UX/UI Designer

Dodekaedro / CSM - Spain
2015-2022

Editorial Direccion

Dodekaedro Ediciones - Spain
2015-2020

Editor & Layout Designer

El Mundo de Sophia Magazine - Spain
2009-2017

Services

What i offer

Front End
Development

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Frontend
Development

  • User Interface (UI) Design.

  • Build the client-side components of the website or web app.

  • Responsive Design.

  • Performance Optimization optimizing code, compressing files, and reducing page load times.

  • Ensure seamless functionality between the front-end and back-end systems.

Back End
Development

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Back End
Development

  • Server-Side Development.

  • API Development.

  • Database Management.

  • Security and Authentication.

  • Performance Optimization and Scaling.

Blockchain
Development

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Blockchain
Development

  • Smart Contract Development.

  • Distributed Application (DApp) Development.

  • Blockchain Integration.

  • Security Audits.

  • Consensus Protocol Implementation.

UX/UI
Design

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UX/UI
Design

  • I develop the user interface of websites and Movil apps.

  • Web page development.

  • I create ux element interactions.

  • I position your company brand.

Graphic
Design

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Graphic
Design

  • Branding and Identity Design.

  • User Interface (UI) Design.

  • llustration and Icon Design.

  • Collaborative Projects.

Digital
Marketing

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Digital
Marketing

  • Digital Strategy Development.

  • Search Engine Optimization (SEO).

  • Pay-Per-Click Advertising (PPC).

  • Social Media Marketing.

  • Analytics and Reporting.

Contact Me

Get in touch

Call Me

+34 717-713-382

Email

rballestercoll@gmail.com

Location

Mallorca - Spain #123