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Youssef O.YO

Youssef O.

Supermalter

Full Stack Developer / Web & App Designer 🥇

€120/day
3 projects
Alicante, ES
8-15 years
PHP
JavaScript
Web Development
Back-End Development
Front-End Development

Average response time: 1 hour

Freelancer profile translated to English.
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About Youssef

Hello! I am an enthusiastic full stack programmer passionate about web and mobile application development. With a solid background in computer science and several years of industry experience, I am ready to work on a variety of projects and environments.

My technical skills include:

- Programming languages: JavaScript, Python, Java, Ruby, PHP
- Web frameworks: React, Angular, Vue, Node.js, Ruby on Rails, Django, Laravel
- Databases: SQL, MySQL, MongoDB, PostgreSQL, Oracle
- Cloud services: AWS, Google Cloud, Azure
- Development methodologies: Agile, Scrum, Kanban

Regarding the projects I can work on, I am prepared to face any challenge that comes my way. From complex web applications to intuitive mobile applications, I can offer innovative and effective solutions to meet my clients' needs.

Some of the projects I have worked on include:

- Development of web and mobile applications for startups and established companies.
- Design and development of websites and e-commerce.
- Integration of systems and databases.
- Development of custom applications for businesses and organizations.

Furthermore, I can provide deliverables that showcase my work and skills. These include:

- Functional and customized websites and web applications.
- Mobile applications with an intuitive user interface and attractive features.
- High-quality databases and integrated systems.
- Clean, easy-to-understand, and well-documented source code.

In summary, as a full stack programmer, I am ready and excited to work on any project and environment, using my broad set of technical skills and development methodologies to deliver innovative and effective solutions for my clients.

  • Spanish

    Native or bilingual

  • English

    Conversational

  • Arabic

    Native or bilingual

Can work on-site
Alicante (up to 50km), Murcia (up to 30km), Valencia (up to 50km), Madrid (up to 50km), Barcelona (up to 50km)

Experience

  • Aire Networks
    Back-end Developer
    TELECOMMUNICATIONS
    April 2022 - Today (4 years and 4 months)
    Av. de la Comunitat Valenciana, 03201 Elx, Alicante, Spain
    • Design, development, and maintenance of scalable RESTful APIs in PHP and Laravel to integrate internal and external services.
    • Optimization of SQL queries in MySQL and PostgreSQL databases, improving loading performance by up to 40%.
    • Implementation of version control (Git), continuous integration, and automated deployments.
    • Active participation in software architecture, requirements validation, and technical documentation for new modules.
    • Continuous support and resolution of critical incidents in production environments.
    MySQL Git PHP 8 REST API PostgreSQL
  • Gesgraph
    Full Stack Programmer
    March 2020 - April 2022 (2 years and 1 month)
    03550 Sant Joan d'Alacant, Alicante, Spain
  • Cuac Revolution
    Full Stack Programmer (PHP, JS, JQuery, CSS3, HTML5)
    June 2019 - March 2020 (9 months)
    Av. de la Comunitat Valenciana, 03201 Elx, Alicante, Spain
Check out Youssef's experience

Reviews

5.0

Out of 2 ratings

A

Adrián

Adrián Jardón

Reviewed on 4/27/2025

Flexible with the guidelines that the project sets without being rigid. Reasonable with regards to fees, he is not a professional who takes advantage of you. On a professional level, as a full stack developer, he has enormous skill, and even more potential to develop. Always available in terms of time for the project's demands. In conclusion, 100% recommendable, he will be part of my future projects.
J

José

iProLine

Reviewed on 8/9/2023

Youssef has delivered an impeccable project. His experience and skills are reflected in every aspect of the work done. From front-end design to server logic, Youssef has demonstrated deep knowledge in all layers of development. Meticulous attention to detail and the ability to solve complex challenges are evident in his work. Smooth communication and punctuality in delivery complete his professionalism. I highly recommend Youssef for any project requiring Full Stack expertise. His committed approach ensures quality results that exceed expectations!!

Recommendations

David M.DM
Youssef L.YL
David M. and 1 other person have recommended Youssef

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Education

  • Higher Degree - Web Application Development, Computer Programming
    IES Macià Abela
    2017
    Grado Superior - Desarrollo de Aplicaciones Web, Programación informática
  • Multimedia Application Development
    IES Severo Ochoa
    Desarrollo de aplicaciones multimedia

Skill set

Laravel
MySQL
CSS3
jQuery
SQL Server
Git
E-commerce
Wordpress
web maintenance
Angular
Mobile Applications
PAW
Web Application Development
Mobile Application Development
Web Applications
Applications
Application Design
PHP 8
PHP 7
Symfony 5
Laravel 8
Laravel 5
Symfony
Javascript / JQuery
Mobile Development
Fullstack
Full Stack Development
REST API
PostgreSQL

Categories