Freelancer profile translated to English.
Back to original languageAbout Gabriel
If you have a business and need a website that truly works — not just looks good — I can help you from day one to wherever you want to go.
I work under the Studio Soteldo philosophy: build in phases, without wasting money or starting from scratch. First, we launch the essentials — clear website, defined message, intentional design. Then, we scale: store, functionalities, automations. Each phase makes sense on its own.
I specialize in frontend development with Next.js and React, integrations with Supabase, and Shopify stores. I also handle the visual side: interface design, branding, and identity. An unusual combination that saves you from coordinating multiple people and ensures consistency between what it looks like and what it does.
I've worked on real projects: decoration stores in Madrid, web applications with user logic and databases, and websites for brands that needed clarity before artifice.
Fixed budget, realistic deadlines, direct communication. No intermediaries.
Spanish
Native or bilingual
English
Conversational
Can work on-site
Madrid (up to 50km)
Experience
- Studio SoteldoWeb Development and DesignTECHAugust 2025 - Today (10 months)Madrid, Spain
- Design and development of tusmejoresfiestas.com, an online Shopify store for children's decoration in Madrid. Custom HTML/CSS layout on the Brooklyn theme with active monthly maintenance.
- Complete development of Marked (marked.vercel.app), a social game web application with authentication, real-time game logic, and a database. Tested with real users in alpha.
- Corporate website for Serenpia, an audiovisual production company.
- Avalora Tecnologías de la InformaciónSoftware Development (CMS)SOFTWARE PUBLISHINGMarch 2024 - May 2024 (2 months)Madrid, Spain• Design and development of key functionalities for a Content Management System (CMS) as a training project, focusing on improving user experience and usability.• Implementation of performance improvements in the CMS, achieving significant optimizations in loading times through efficient coding practices and modular structuring.• Execution of data migration and management processes within the simulated environment, ensuring data integrity and consistency in controlled scenarios.
- ShoppingMystery Shopper AuditorMay 2018 - December 2024 (6 years and 7 months)• Conducted over 100 Mystery Shopping audits to evaluate customer service quality, identifying areas for improvement and proposing effective solutions.• Achieved an average rating of 90% in service evaluations, demonstrating detailed analytical and assessment skills.• Prepared over 100 detailed reports on audit findings, highlighting key recommendations for enhancing the customer experience.
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Education
- Higher Degree in Cross-Platform Application DevelopmentCesur2024Programación orientada a objetos con Java y C++ Desarrollo de interfaces gráficas y aplicaciones móviles con Android Studio y Kotlin Creación de aplicaciones web con HTML, CSS, JavaScript y frameworks como React Gestión de bases de datos (MySQL, SQLite) Conocimientos de sistemas, entornos de desarrollo y control de versiones (Git) Metodologías ágiles (Scrum)