Freelancer profile translated to English.
Back to original languageAbout Juan José
Junior Full Stack Web Developer specializing in creating custom digital solutions and SEO positioning. I have a solid technical foundation thanks to my degrees in SMR and DAM, which allows me to approach projects from a dual perspective: optimizing server infrastructure and the database, and writing clean code for the client.
I have real experience working in a digital agency, managing complex web environments from end to end, solving code incompatibilities or plugin conflicts, and drastically improving loading speed (WPO). I don't limit myself to using basic templates: I program custom backend logic when the project requires it and optimize the site architecture to maximize organic SEO. I am looking to collaborate with companies and agencies that need a problem-solving, autonomous profile committed to results.
Spanish
Native or bilingual
English
Basic
Remote only
Primarily works remotely
Experience
- LinkealiaCustom Web Developer and SEO SpecialistE-COMMERCEFebruary 2025 - May 2026 (1 year and 3 months)Casariche, Spain
- Accumulated experience of more than 9 months alternating periods of training internships and direct employment contracts.
- Design, programming, and technical deployment of corporate websites and e-commerce platforms (WooCommerce) for real clients.
- Programming of custom logic and advanced customization of backend code to adapt the system to specific business requirements.
- Resolution of critical code conflicts, debugging errors, and infrastructure incompatibilities.
- Audit and optimization of linked databases (table cleaning, query optimization, and data persistence).
- Web performance optimization (WPO), drastic improvement of loading speed, and technical security of the environment.
- Comprehensive implementation of On-Page SEO strategies and technical optimization of web architecture to maximize search engine indexing.
- Freelance / Proyectos PropiosWeb / Software Developer and SEO ConsultantSOCIAL NETWORKSJanuary 2024 - Today (2 years and 6 months)Sevilla, SpainIntegral development, layout, and technical positioning of independent web projects and corporate e-commerce platforms.
- Conceptualization and architecture of web pages from scratch, adapting the design and structure to the business's commercial needs.
- Custom programming and advanced configuration of CMS architectures, optimizing databases and the integration of external tools.
- Implementation of On-Page SEO positioning strategies, keyword auditing, and loading speed optimization (WPO) to improve search engine indexing.
- Continuous technical maintenance, web environment security, and resolution of server performance issues.
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Education
- Higher Level Vocational Training CycleIES Francisco Rodríguez Marín2026Ciclo Formatigo de Grado Superior
- Intermediate Level Vocational Training CycleIES Herrera2024Ciclo Formativo de Grado Medio