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Nuno Fernandes De SaNF

Nuno Fernandes De Sa

Java Spring Boot | React | Fullstack – EN/PT

€400/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Nuno

Fullstack developer specializing in React, Next.js, and Java Spring Boot, I help SMEs, startups, and agencies design high-performing, maintainable, and product-oriented web applications.
I work on frontend, backend, and API integration projects, with a strong focus on UX, code quality, and delivery speed.
I am available for missions in France and Portugal, remotely or hybrid as needed.
  • Portuguese

    Native or bilingual

  • French

    Native or bilingual

  • English

    Conversational

  • Spanish

    Fluent

Can work on-site
Paris (up to 15km)

Experience

  • Freelance
    Humori — Mobile Developer / Product Builder
    March 2026 - Today (3 months)
    Paris, France
    Design and development of a mobile MVP using React Native, Expo, and TypeScript for daily mood tracking. Originally intended for children but usable by anyone, the application offers a simple and fluid experience, with daily mood recording, note addition, trend visualization, and local data storage. Personal project carried out from start to finish, finalized for launch on the Google Play Store.
    Typescript React Native Expo Android Mobile Development Product MVP
  • Par le Monde
    Volunteer Web Developer
    EDUCATION AND E-LEARNING
    October 2025 - February 2026 (4 months)
    Paris, France
    Complete redesign of the website under WordPress, including architecture setup, theme integration, key page creation, and configuration of necessary plugins for SEO, security, and forms. I also contributed to improving ergonomics and design to offer a clearer and smoother user experience.
    PHP WordPress JavaScript Web Integration CMS
  • Gonçalves Bárbara
    Web Developer
    LEGAL
    November 2024 - November 2024
    Paris, France
    Creation of a WordPress showcase website to support the launch of their online debt collection business. I designed a clear, modern, and responsive interface to highlight their services, enhance their business credibility, and facilitate contact through a personalized form. The website provided Bárbara with a professional, easy-to-manage asset that generates more qualified leads.
    Front-End Development CMS WordPress JavaScript CSS

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Education

  • Application Developer Bachelor's Degree
    HETIC
    Concevoir et spécifier une solution digitale; Gérer itérativement le cycle de vie d’une solution digitale; Développer et structurer une solution digitale;
  • Web and Mobile Developer
    WEBFORCE3
    2023
    Analyser les besoins à partir du cahier des charges; Développer, tester et valider les fonctionnalités de l’application; Produire une documentation technique et fonctionnelle pour le client; Apporter des corrections de bugs et effectuer des mises à jour;

Certifications

Skill set

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