Marco Romero - Portfolio

Skip to main content
Marco Romero

Marco Romero

UI developer with 9+ years of experience, focused on accessibility, performance and UX.

With more than 9 years of experience in the industry, I’ve adapted to a wide range of technologies. I specialize in creating intuitive and attractive user interfaces, with a focus on user experience (UX) and performance. I’ve worked with frontend technologies such as React, Vue and Angular, as well as platforms like Liferay, which allows me to deliver end-to-end, scalable solutions. My approach is always innovation and high-quality delivery, ensuring an excellent user experience in any tech environment.


  • Email
  • LinkedIn
  • Github
Knowmad mood
UI Senior Specialist Developer
mayo de 2023 – Present
  • Coordination and supervision of the UI team to ensure high-quality deliveries aligned with client goals.
  • Assessing UI development needs and producing detailed estimates for presales and project proposals.
  • Participating in the selection and technical evaluation of new UI developers.
  • Mentoring and supporting interns, helping their learning and integration into real projects.
Digital Wolves
UI Mid Developer & Integration
enero de 2019 – mayo de 2023
  • Development of responsive web and mobile interfaces using HTML, CSS, JavaScript and modern frameworks like React, Angular and Vue.js.
  • Implementation of advanced frontend solutions with a focus on accessibility, performance and maintainability.
  • Ensuring cross-platform and cross-device compatibility across multiple projects and clients.
  • Creating and maintaining reusable UI component libraries with Storybook to standardize design systems and speed up development.
atSistemas
UI Junior Developer & Integration
marzo de 2017 – enero de 2019
  • Development and implementation of responsive web and mobile interfaces using HTML5, CSS3 and JavaScript.
  • Collaboration with the UX/UI and Integration department to create consistent and accessible user experiences.
  • Contributing to frontend integration tasks, ensuring design fidelity and technical performance across projects.
University Hospital of Puerto Real, Cádiz
IT Technician / Support
marzo de 2013 – julio de 2013
  • Technical support and maintenance of IT systems in a hospital environment.
  • Installation, configuration and troubleshooting of hardware and software issues.
  • User support and basic training in the use of IT tools.
Pymes ADIP
IT Technician / Support
marzo de 2010 – julio de 2010
  • Administration and maintenance of computer equipment and local networks across different companies.
  • Installation, configuration and securing of network and hardware infrastructures.
  • Consulting and post-sales support for business management systems, including technical guidance and IT environment optimization.
Higher Vocational Training in Web Application Development
IES Mar de Cádiz
septiembre de 2015 – junio de 2017

Training in web application development, focused on building dynamic interfaces, server management, service integration and full-stack development with database connectivity.

Higher Vocational Training in Network Systems Administration
IES Mar de Cádiz
septiembre de 2011 – junio de 2013

Training in server administration, network services management, database implementation, telecom infrastructure integration and hardware performance evaluation.

Intermediate Vocational Training in IT Systems
IES Mar de Cádiz
septiembre de 2008 – junio de 2010

Training in installation and maintenance of network and internet services, managing IT systems in single-user and multi-user environments, and small business administration.

B2 English - Official Language School (EOI)

Preparation and certification of B2 level at the Official Language School.

  • Speaking mock exams with structured feedback (B2 First).
  • Weekly listening practice with podcasts and graded transcripts.
  • Reading practice with adapted texts and exam-style questions.
  • Writing practice with B2 templates (informal email, opinion essay, short story).