You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Julio SosaJS

Julio Sosa

Freelance Developer & Creative Consultant

330 €/día
Barcelona, ES
3-7 años

Tiempo medio de respuesta: 1h

Acerca de Julio

  • Español

    Bilingüe o nativo

  • Inglés

    Bilingüe o nativo

  • Francés

    Nociones

  • Catalán

    Competencia profesional básica

Acepta trabajo presencial
Barcelona (hasta 50 km)

Experiencia

  • Remote
    Freelance Developer / Independent Consultant
    septiembre de 2025 - Hoy (10 meses)
    • • Creating content for clients: editing videos, designing social media posts and strategies.
    • • Building and refining portfolio projects, frontend prototypes, and client-ready UI implementations using JavaScript, HTML, CSS, PHP, and WordPress.
    • • Exploring AI-assisted workflows for design/development productivity.
    • • Delivered company websites / consulting / website improvements / audits / QA / maintenance.
  • Marbill Technologies
    Frontend Software Engineer
    septiembre de 2022 - abril de 2025 (2 años y 7 meses)
    • • Developed and maintained large-scale e-commerce frontends using HTML, CSS, JavaScript, Twig, and PHP.
    • • Supported multiple high-traffic e-commerce sites sharing a common technical architecture.
    • • Implemented scalable frontend patterns to separate content from logic, improving long term maintainability and reuse across projects.
    • • Integrated and maintained third-party APIs within the existing framework, ensuring consistency and reliability across environments.
    • • Collaborated closely with backend developers, product owners, and stakeholders to deliver features aligned with both technical and business requirements.
  • Cognizant Netcentric
    Frontend Software Engineer
    septiembre de 2021 - agosto de 2022 (11 meses)
    Barcelona, Spain
    • • Frontend development for enterprise-level projects built on Adobe Experience Manager (AEM).
    • • Maintained and extended large JavaScript codebases, focusing on stability, readability, and long-term sustainability.
    • • Contributed to testing and quality assurance processes within a structured, enterprise scale development environment.

Recomendaciones

Sé el primero en recomendar a Julio

Ayuda a este freelance a destacar compartiendo tu experiencia.

Estos perfiles de freelance también coinciden con tus criterios

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Formación

  • Master in Visual Arts and Multimedia
    Polytechnic University of Valencia
    2017
    Master in Visual Arts and Multimedia
  • Bachelors Degree in Advertising
    UNIBE
    2012
    Bachelors Degree in Advertising

Categorías