Freelancer profile translated to English.
Back to original languageAbout Javier
Full Stack Software Engineer & Product Builder. Specialized in transforming business ideas into robust, scalable, and production-ready web applications.
My approach goes beyond code: I act as a technological partner who understands the product ("Product-First Mindset"). I don't just execute tasks; I design architectures that avoid technical debt and ensure your investment lasts long-term.
🛠️ MY CORE TECHNOLOGY STACK:
• Modern Frontend: Developing responsive interfaces with React.js, TypeScript, and TailwindCSS. Focus on UX and performance.
• Solid Backend: Architecting RESTful APIs and complex business logic with Laravel (PHP) and MySQL.
• Infrastructure & DevOps: "Zero-Headache Deployment" strategies. Using Docker and CI/CD pipelines (GitHub Actions) so what works on my local machine, works on your server without surprises.
🎯 WHAT KIND OF PROJECTS DO I LEAD BEST?
• MVP Development (Minimum Viable Product): Taking your idea from zero to launch in record time, prioritizing what adds user value.
• Internal Tool Development (Backoffice): Custom administration panels to automate your company's processes.
• Refactoring and Modernization: Updating legacy systems to modern containerized architectures.
💡 WHY WORK WITH ME:
I offer complete autonomy. I work towards clear goals and deliverables. If you're looking for a profile that requires daily micromanagement, I'm not your guy. If you're looking for someone to whom you can give a problem and get a turnkey solution back, let's talk.
Contact me to discuss your project without obligation!
Spanish
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- beon. WorldwideWeb DeveloperTECHJuly 2025 - Today (11 months)Seville, SpainDevelopment and evolutionary maintenance of complex web applications, covering the entire software lifecycle (Full Stack).Main responsibilities and technologies:• Frontend: Creation of dynamic and responsive interfaces with React.js (Hooks, Context API) and TypeScript, ensuring a fluid UX.• Backend: Architecture of robust RESTful APIs with Laravel (PHP), MySQL database management, and query optimization with Eloquent.• Infrastructure: Containerization of development and production environments using Docker to ensure parity between environments.• Collaboration: Direct work with design and product teams to transform business requirements into scalable technical functionalities.
- Profesional independienteFull Stack Software Engineer & Product Builder (Freelance)Full-stack DeveloperTECHJanuary 2024 - July 2025 (1 year and 6 months)Sevilla, SpainEnd-to-end technical consulting and software development services for startups and SMEs. Specialized in the development of complete digital products (MVPs) and "turnkey" custom solutions.Approach and Results:• Full Cycle: Comprehensive project management, from initial architecture and requirements gathering to development and production deployment.• Technology Stack: Development of robust backends with Laravel and high-performance responsive frontends with React.js.• DevOps & Delivery: Implementation of CI/CD pipelines and Dockerized environments to ensure fast, error-free deliveries (Zero-Downtime deployment strategies).• Consulting: Technical advice to choose the right technology that maximizes client budget without compromising scalability.Key Achievements:• Development and launch of web applications with scalable architectures prepared for high traffic.• Automation of business processes through custom administration panels (Dashboards).
- NRSurOperations ManagerMay 2012 - November 2023 (11 years and 6 months)Seville, SpainLeadership and management of teams of up to 15 people, fostering a productive work environment to achieve business objectives. Responsible for critical decision-making under pressure, optimizing resources to maximize profitability.
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Education
- Course on Mathematical Functions for Data Science and Artificial Intelligence, Python Course for Data Science, Basic Course on Differential Calculus for Data Science and Artificial Intelligence, Laravel Course, Docker Fundamentals CourseCurso de Funciones Matemáticas para Data Science e Inteligencia Artificial Curso de Python para Ciencia de Datos Curso Básico de Cálculo Diferencial para Data Science e Inteligencia Artificial Curso de Laravel Curso de Docker: Fundamentos
- Higher Vocational Training, Web Application DevelopmentCesur2025Formación Profesional de Grado Superior, Desarrollo de aplicaciones web