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Carlos Romero MarinCR

Carlos Romero Marin

Web Design, E-commerce, WordPress and Elementor🥇🥇🥇

€100/day
71 projects
Madrid, ES
8-15 years

Average response time: 2 hours

Freelancer profile translated to English.
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About Carlos

Applied AI, Low-code Automation, and Custom Full-Stack Web Development | Sovereignty, Security, and Scalability

Looking for a profile to take your technology project from theory to practice, combining AI, automation, cloud, and web development without complications, and that brings real value from day one?

I am **Jean Carlos Romero Marín**, your ally if you seek a real leap in efficiency, innovation, and control over your systems, data, and processes. I help startups, freelancers, SMEs, and companies looking for innovative, robust, and scalable solutions, anticipating trends and applying the latest technology so your business is not only efficient but also sovereign and secure.

How can I help you and what do I bring to your business?
Custom backend & frontend development: Node.js, React.js, Next.js, PHP, REST API integration, microservices, Figma UX/UI design, synchronization and integration of internal and external systems.

Data & Reporting:I centralize and connect all your data sources (SQL, MySQL, XML, CSV, JSON, TXT), create visual dashboards and advanced reporting for agile and effective decision-making.

AI and LLMs Integration:OpenAI, GPT, Claude, Llama, Gemini, Mistral... I develop chatbots, virtual assistants, intelligent agents, and generative AI automation systems tailored to your business.

Low-code/No-code Automation:n8n, Make, scraping, bank integration (GoCardless, Stripe, Wise, Redsys), process automation, repetitive tasks, and total connectivity between your tools.

Web, App & Mobile Development:XCODE, VS Code, WordPress, Prestashop, Elementor, WooCommerce, custom web and mobile applications, always with a modular, scalable, and secure approach.

Digital Sovereignty and Cybersecurity:I help you gain total control over your data, your infrastructure, and the security of your projects (Cloudflare, IONOS, OVH, GDPR).
  • Spanish

    Native or bilingual

  • English

    Conversational

Remote only
Primarily works remotely

Experience

  • SERVICIOS INDUSTRIA DEL AUTOMÓVIL,S.A.U
    Malt logoOn Malt
    Development of the online store website: recaplus.com
    September 2019 - October 2019 (1 month)
    Madrid, España
    Development of the online store recaplus.com
    Technologies used: PrestaShop.
    Information migration: Woocommerce to PrestaShop.
    Online Store WooCommerce Prestashop
  • JAVIER MANUEL GARCIA PANO
    Malt logoOn Malt
    Development of the website limpiezasluchosl.com
    August 2019 - August 2019 (1 month)
    Madrid, España
    Development of the website limpiezasluchosl.com
    Economic Website Web Design Wordpress Web Page
  • REPSOL
    VPN Migration
    TELECOMMUNICATIONS
    June 2018 - January 2019 (7 months)
    Madrid, Spain
    Migration of users to a new connection system for teleworking users.
    Training Technical Support Failures Internet User Manuals

Reviews

4.7

Out of 51 ratings

S

Saúl

Cuello de Jirafa S.L

Reviewed on 9/16/2024

Working with Jean Carlos has been a pleasure from the beginning of the project. At all times he has shown involvement and willingness to make the necessary changes to adjust the website to our expectations. I especially value the very good quality-price ratio in the project and the friendly and close treatment he has always maintained from the first moment. Thank you again, Jean.

Carlos has chosen to hide 2 reviews

2 written reviews are private.

Recommendations

IE
DG
Ivan Escudero and 1 other person have recommended Carlos

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Education

  • Computer Systems Engineer
    UNIMAR - Universidad de Margarita
    2016

Certifications

Skill set

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