Freelancer profile translated to English.

Description

💻 Fullstack software developer with primary experience in the MERN Stack (MongoDB, Express.js, React.js, and Node.js).

🚀 Passionate about taking on new challenges and bringing innovative solutions to each project.

📚 Committed to continuous learning and constantly updating with the latest technologies in software development.

Industry field of expertise

Languages

Spanish
Native or bilingual

Workplace preferences

Remote only

Primarily works remotely

DECATHLON SE - SPAIN
On Malt
Software Engineer Performance
E-COMMERCE
November 2024 - May 2025 (5 months)
Valencia, España
Analysis and optimization of performance in an eCommerce environment, including the evaluation of key metrics (Core Web Vitals, loading times, interactivity, visual stability, and conversion).
Responsible for proposing and applying technical solutions aimed at improving the platform's speed, efficiency, and scalability, with a direct impact on user experience and business results.
Collaboration with multidisciplinary teams (development, product, design, marketing) by providing detailed reports and practical recommendations, aligned with the eCommerce objectives.
JavaScript Next.js GitHub React.js Datadog
DECATHLON SE - SPAIN
Front End Developer
RETAIL (LARGE RETAILERS)
September 2022 - November 2024 (2 years and 2 months)
Valencia, Spain
Implementation and maintenance of interfaces in Svelte, ensuring visual and functional consistency with the design system defined for the project, as well as a fluid and accessible user experience.
Responsible for the development of reusable components and new functionalities, optimizing code quality and visual consistency of the digital product.
Active participation in the website reskin and the implementation of post-purchase solutions for Marketplace orders, adding value to both user experience and business operations.
Close collaboration with multidisciplinary teams (UX, QA, development, and product) to transform requirements into efficient technical solutions, maintaining a high standard of quality in each delivery.
Svelte JavaScript Node.js strapi Figma
ITECH Global Solutions
Software Developer
TECH
November 2021 - Today (4 years and 7 months)
Valencia, Spain
Development of a comprehensive application for the management of files and billing in the transport sector.
Frontend implementation with ReactJS, ensuring a modern, agile, and usability-oriented interface.
Design and development of the backend with Express, exposing a robust and secure REST API, connected to a MongoDB database for efficient and scalable information management.
MongoDB React.js Node.js Atlassian JIRA Git

Check out Luis Santiago's experience

Franck

DECATHLON SE - SPAIN

Several months project

Reviewed on 4/7/2025

I recommend Luis as a Full Stack developer. His constant interest in new technologies and advancements was always evident, bringing fresh ideas and updated solutions to our projects. His continuous motivation maintained a positive and productive work environment. I always valued his transparency in providing visibility into his own work as well as potential implications, which facilitated coordination with other teams. His commitment and responsibility for assigned tasks were impeccable. Finally, his willingness to work as a team was notable, always ready to help his colleagues and facilitating joint work. It was a pleasure to have him on the team.

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

Baptiste Duhen

Fullstack developer

4.6

(4)

Amed Hamou

Senior Lead Developer

(2)

Audrey Champion

Web developer

4.3

(3)

Signup to reveal

Higher Degree in Web Application Design
IES Abastos
2021
Higher Degree in Multiplatform Application Design
IES Abastos
2020

Luis Santiago R.

Full Stack Developer - Javascript (front/back)

About Luis Santiago

Experience

Reviews

5.0

Quality

5.0

Deadline

5.0

Communication

5.0

Franck

Recommendations

These freelancer profiles also match your criteria

Education

Skill set

Categories