I'm Sandro Sousa Rivera, a freelance E-commerce web & SaaS developer based in Copenhagen, Denmark. I build fast, accessible websites using React, JavaScript, Tailwind CSS, and WordPress, with a strong focus on performance and user experience. I’m known for clear communication, proactive collaboration, and leadership on projects ranging from Decathlon initiatives to Google projects via TelePerformance. I enjoy turning complex ideas into clean, scalable front-end solutions and exploring AI automations to streamline workflows.

Sandro Sousa Rivera

I'm Sandro Sousa Rivera, a freelance E-commerce web & SaaS developer based in Copenhagen, Denmark. I build fast, accessible websites using React, JavaScript, Tailwind CSS, and WordPress, with a strong focus on performance and user experience. I’m known for clear communication, proactive collaboration, and leadership on projects ranging from Decathlon initiatives to Google projects via TelePerformance. I enjoy turning complex ideas into clean, scalable front-end solutions and exploring AI automations to streamline workflows.

Available to hire

I’m Sandro Sousa Rivera, a freelance E-commerce web & SaaS developer based in Copenhagen, Denmark. I build fast, accessible websites using React, JavaScript, Tailwind CSS, and WordPress, with a strong focus on performance and user experience.

I’m known for clear communication, proactive collaboration, and leadership on projects ranging from Decathlon initiatives to Google projects via TelePerformance. I enjoy turning complex ideas into clean, scalable front-end solutions and exploring AI automations to streamline workflows.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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Language

Spanish; Castilian
Fluent
English
Advanced
Portuguese
Beginner

Work Experience

Freelance E-Commerce Web Developer at Self-employed
December 31, 2019 - December 31, 2019
Freelance web development for e-commerce sites; built responsive front-end using React, JavaScript, Tailwind, and WordPress; optimized performance and user experience for client storefronts.
Sustainability leader and section responsible at Decathlon
December 31, 2021 - December 31, 2021
Led sustainability initiatives and managed a project section, coordinating teams and delivering improvements in product and process sustainability.
Web Product Implementation Specialist at TelePerformance
December 31, 2022 - December 31, 2022
Frontend - UX/UI work and project leadership for a Google project; involved in delivery of web product implementations and stakeholder coordination.
Frontend - UX/UI, Project Leader at Erudita
January 1, 2024 - November 18, 2025
Frontend development, UX/UI design and project leadership responsibilities for Erudita’s initiatives.

Education

Blockchain industry training program at Brainnest
January 11, 2030 - November 18, 2025

Qualifications

Blockchain industry training program
January 11, 2030 - November 18, 2025

Industry Experience

Software & Internet, Professional Services, Retail, Media & Entertainment