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Mario CaballeroMC

Mario Caballero

Web and Mobile Application Designer

€250/day
Ajaccio, FR
0-2 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Mario

Fullstack Web & Mobile Developer — Graduate Web and Mobile Application Designer (Aflokkat, 2025).
I design applications end-to-end: back-end (NestJS, Python), web (Next.js, Tailwind CSS), and cross-platform mobile (Flutter, React Native). From prototype to production.
Freelance through my micro-enterprise, and currently undertaking an apprenticeship at Missia Care (Master's in Big Data & AI) where I am evolving the platform's applications.
I integrate AI (Claude / Anthropic) into my workflow to deliver faster, without sacrificing code quality or rigor.
Stack: Next.js · NestJS · Flutter · React Native · Python · TypeScript · Tailwind CSS · Bash

Open to new web & mobile projects.
  • French

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Missia care
    Web Developer
    December 2024 - Today (1 year and 7 months)
    Ajaccio, France
    Fullstack development of health platform applications within the digital department.
    • Back-end with NestJS & Python (REST API, business logic).
    • Web interfaces in Next.js, TypeScript, and Tailwind CSS.
    • Cross-platform mobile applications in Flutter / React Native.
    • Versioning and collaborative work under Git/GitHub.
    Flutter Next.js TailwindCSS Nest JS Bash
  • Aflokkat
    Web and Mobile Application Designer
    November 2024 - October 2025 (11 months)
    Ajaccio, France
    End-to-end design and development of web and mobile applications, as part of the Application Designer Developer title.
    • Front-end development (Next.js, React, Tailwind CSS) and back-end (NestJS, Python).
    • Creation of mobile applications with Flutter and React Native.
    • Needs analysis, design, development, and testing.
    Next.js Python
  • Aflokkat
    Web Developer
    November 2023 - October 2024 (11 months)
    Ajaccio, France
    Development of web applications in an educational setting and internal projects.
    • Skill development in the JavaScript/TypeScript ecosystem (React, Next.js).
    • Integration of responsive interfaces with Tailwind CSS.
    • Initial back-end and database development.
    Next.js TailwindCSS Nest JS React.js Symfony

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Education

  • Tosa DigComp Certification
    Certification Tosa DigComp
  • Tosa CyberCitizen Certification
    Certification Tosa CyberCitizen

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