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Juan Felipe Valencia SanchezJF

Juan Felipe Valencia Sanchez

Junior Full-Stack Developer

€130/day
Valledupar, CO
0-2 years

Average response time: 1 hour

About Juan Felipe

Soy desarrollador full-stack y ayudo a empresas y emprendedores a transformar sus ideas en aplicaciones web rápidas, escalables y fáciles de mantener. Me especializo en construir soluciones completas desde el frontend hasta el backend, garantizando una experiencia fluida para el usuario y una arquitectura sólida para el negocio.

Trabajo con tecnologías modernas como React, Node.js, Express, Tailwind, Docker, Git, Prisma, FastAPI (Python) y Astro, lo que me permite adaptar cada proyecto a las necesidades específicas de mis clientes.

He desarrollado proyectos que van desde plataformas web interactivas y dashboards administrativos, hasta APIs robustas, sistemas de automatización y aplicaciones optimizadas para rendimiento y SEO.

Mi enfoque está en entregar código limpio, escalable y bien documentado, asegurando que cada producto final no solo cumpla con los objetivos, sino que también sea fácil de evolucionar en el tiempo.
  • Spanish

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • Universidad Nacional de Colombia
    Junior Full-Stack Developer
    December 2024 - June 2025 (6 months)
    Valledupar, CE, Colombia
    • Developed a dashboard using React and TypeScript to manage documents for a project aimed at researchers from the National University of Colombia.
    • Implemented a backend (REST API) to handle routing, authentication, and authorization with a granular role- and permission-based system.
    • Designed an encryption system to protect sensitive user data and a registration flow with administrative approval.
    • Created a document management system with metadata and specific permissions per document and user.
    • Set up full project containerization with Docker to streamline deployment and development.
    • Implemented a monorepo architecture to share types and validations between the frontend and backend.
    • Integrated data validation and real-time notifications to enhance user experience.
    Monorepo Node.js TailwindCSS Docker React.js
  • Inverseguros
    Junior Full-Stack Developer
    February 2025 - Today (1 year and 4 months)
    Valledupar, CE, Colombia
    • Currently developing a web application for an insurance agency, allowing clients to access the platform to request quotes and purchase car insurance.
    • Developing with Astro to load as little JavaScript as possible and implement the Islands Architecture for connecting to a FastAPI backend and a SQLAlchemy-based database.
    PostgreSQL Python Astro FastAPI TailwindCSS

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Education

  • Mechatronics Engineering
    UNIVERSIDAD NACIONAL DE COLOMBIA
    Mechatronics Engineering

Skill set

Categories