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Alfredo Rafael Espinosa PalenqueAR

Alfredo Rafael Espinosa Palenque

Fullstack Developer

€120/day
1 project
Zaragoza, ES
8-15 years

Average response time: 1 hour

About Alfredo Rafael

Soy Desarrollador Fullstack con más de 5 años de experiencia creando aplicaciones móviles y web a medida, ayudando a empresas y emprendedores a transformar sus ideas en productos digitales funcionales, escalables y de alto impacto.

Me especializo en Flutter y Android nativo para el desarrollo móvil, y en Laravel, PHP y Python para el backend. Esta combinación me permite ofrecer soluciones completas, desde aplicaciones multiplataforma con excelente rendimiento hasta APIs seguras y escalables que garantizan una integración fluida con servicios externos.

A lo largo de mi carrera he trabajado en proyectos que van desde MVPs para startups hasta plataformas complejas en producción, siempre cuidando la calidad del código, la experiencia del usuario y el cumplimiento de plazos.

🔹 Qué puedo hacer por tu proyecto:

Desarrollo de aplicaciones móviles multiplataforma (Flutter) y Android nativo.

Creación y optimización de APIs y backends con Laravel, PHP o Python.

Integración de servicios externos y sistemas de terceros.

Mejora de rendimiento, escalabilidad y experiencia de usuario.

Acompañamiento integral: desde el diseño de la arquitectura hasta el despliegue en producción.

Mi enfoque es práctico y orientado a resultados: priorizo la comunicación clara y la entrega de soluciones que realmente aporten valor a tu negocio y a tus clientes.

Si buscas un desarrollador que pueda encargarse tanto de la parte técnica como de entender las necesidades de tu proyecto, estaré encantado de colaborar contigo.
  • English

    Native or bilingual

  • Spanish

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Happy Tickets
    Fullstack Developer
    TRAVEL AND TOURISM
    October 2024 - Today (1 year and 9 months)
    Zaragoza, Spain
    • Developed mobile applications and web solutions using Flutter for cross-platform development (Android and iOS) and HTML, CSS, and JavaScript for web frontend.
    • Implemented new features and optimized performance in mobile and web applications, ensuring a smooth and efficient user experience.
    • Built and managed the backend using PHP and MySQL, developing RESTful APIs for the integration of ticketing and event management systems.
    PHP/MySQL JavaScript Android Fluter API REST
  • Ingenius Cuba
    Systems Engineer
    SOFTWARE PUBLISHING
    January 2022 - January 2024 (2 years)
    Havana, Cuba
    • Led the development of Android mobile applications using Kotlin and Jetpack Compose, applying the MVVM pattern to achieve scalability and code maintainability.
    • Implemented CLEAN architectures using MVP and MVVM, ensuring a clear separation of responsibilities and facilitating unit and integration testing.
    • Developed APIs with Laravel and Spring Boot, managing databases in MySQL and PostgreSQL, optimizing performance through code refactoring and improved SQL queries.
    • Used Jetpack Libraries such as Room, LiveData, ViewModel, and Coroutines to enhance efficiency and state management in applications.
    • Set up CI/CD pipelines with GitLab, automating tests and deployments, which improved team efficiency and enabled continuous development.
    • Conducted testing with JUnit, ensuring code quality through automated testing.
    • Managed development under agile methodologies, specifically Scrum, organizing sprints, reviews, and retrospectives to ensure continuous value delivery.
    • Worked closely with UI/UX designers and multidisciplinary teams to create user-centric, intuitive interfaces using XML and Jetpack Compose.
    Kotlin PHP/MySQL Flutter Laravel Android Development
  • Cienfuegos,
    Freelancer Developer
    SOFTWARE PUBLISHING
    January 2020 - January 2022 (2 years)
    Cuba
    • Developed mobile applications using Kotlin and Java, applying best practices in CLEAN architectures like MVVM and MVP for scalable application development. Leveraged Jetpack Libraries such as Room, LiveData, ViewModel, and Coroutines to improve efficiency and state management in apps.
    • Created web applications using PHP, Python and Angular, with seamless integration of MySQL and PostgreSQL databases.
    • Applied agile methodologies like Scrum to streamline development workflows, fostering effective collaboration within multidisciplinary teams.
    Kotlin JavaScript PHP/MySQL Python Desarrollo de Android

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Education

  • Bachelor's Degree
    University of Cienfuegos
    2020
    Bachelor's Degree

Skill set

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