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Adrián Ucha SousaAU

Adrián Ucha Sousa

Fullstack AI Dev · React · Next.js · TypeScript

€180/day
Cádiz, ES
0-2 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Adrián

Design and development of digital products with integrated AI, automating processes and building interfaces that help businesses grow efficiently.Technology at the service of the product, not the other way around.

I am aFullstack Developerwith a focus on frontend and specialization in integrating AI into web products. In the last year, I have worked on real production projects with a modern stack, and in parallel, I have developed my own projects integrating generative AI.

In the last year, I have worked on real projects with a modern stack, and in parallel, I have developed my own projects integrating generative AI.

What I do:
  • Multi-tenant e-commerce platforms with Spree Commerce: cart, checkout, promotions, and order tracking.
  • Reusable React components integrated into CMS (Builder.io) with multi-tenant architecture.
  • SaaS applications and dashboards with React + TypeScript + MUI.
  • Design systems with atomic design, scalable and documented.
  • Integration of generative AI in products: Gemini API, LLMs, workflows assisted by language models.
  • AI as an active development tool: assisted architecture, component generation, refactoring, and code review.

Stack: React · Next.js · TypeScript · MUI · Builder.io ·**Spree Commerce · Node.js · MongoDB · Vue.js · Laravel · Figma · Git · Claude**

I deliver with tested accessibility (Lighthouse, WAVE), SEO-focused semantics, and clean code with modular components.

Available for remote projects from Cádiz, Spain.
  • Spanish

    Native or bilingual

  • English

    Basic

Remote only
Primarily works remotely

Experience

  • BURSTYOURIDEAS SL
    Web Developer
    SOFTWARE PUBLISHING
    March 2025 - Today (1 year and 5 months)
    Cádiz, Spain
    I started at byideas during my internship for the Higher Vocational Training in Web Application Development, with results that led to a part-time professional contract. I handle day-to-day Frontend development: components, interfaces, integrations, and the complete implementation cycle in real production projects.

    Throughout this period, parallel to my work at the company, I have also developed my own projects self-taught, which have expanded my stack: Repasoft (Vue.js + Laravel/PHP), OutfitVault (MERN + Gemini AI), and additional full-stack projects with custom REST APIs and JWT authentication.

    Responsibilities at the company:
    • Development of reusable React components integrated into Builder.io CMS in multi-tenant architectures
    • Layout and implementation of interfaces from Figma with a focus on visual fidelity and user experience
    • Integration with Spree Commerce e-commerce platforms (cart, checkout, promotions, order tracking)
    • Design systems with MUI and semantic theming adapted to multiple clients and tenants
    • Component architecture in atomic design with TypeScript/JavaScript and Next.js
    • Coordination with backend Ruby on Rails: consumption of REST APIs and JSON:API
    • Use of AI as an active tool: architecture with Claude, skill definition, assisted refactoring, and code review
    • Complete implementation cycle: functional definition, development, review, bug fixing.
    Stack: React · Next.js · TypeScript · MUI · Builder.io · Spree Commerce · Laravel · Figma · Git · Ruby on Rails (integration)
    React.js Next.js Typescript Figma AI
  • MediaMarkt
    IT Technician / Media Service
    RETAIL (SMALL BUSINESS)
    March 2022 - August 2024 (2 years and 5 months)
    Valencia, Spain
    Repair and maintenance of devices, technical support, and incident management. Development of skills in problem-solving, teamwork, and customer service in high-volume environments.

    (Period parallel to the start of my web development training)
    Teamwork Customer service Problem solving Technical support

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Education

  • Higher Vocational Training Cycle, Web Application Development
    IES RAFAEL ALBERTI
    2025
    Ciclo Formativo de Grado Superior, Desarrollo de aplicaciones web
  • Intermediate Vocational Training Cycle, Microcomputer and Network Systems.
    IES Salvador Gadea
    2022
    Ciclo Formativo de Grado Medio, Sistemas Microinformáticos y Redes.

Skill set

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