Freelancer profile translated to English.
Back to original languageAbout Johan
🚀 Full Stack & Mobile Developer | React · Next.js · Nuxt · Vue · React Native · TypeScript
6 years of experience in web and mobile development, I support startups, SMEs, and agencies in designing high-performance, tailor-made digital solutions.
What I offer:
Frontend & Mobile
Modern, responsive, and pixel-perfect interfaces. iOS/Android mobile applications with React Native and Expo. I pay special attention to user experience and performance.
Backend & API
Integration and consumption of REST APIs, connection to databases (MongoDB, PostgreSQL), and development of backend solutions tailored to your needs.
Artificial Intelligence
Integration of AI into your applications: conversational chatbots, personalized recommendations, voice agents (Google Gemini, LiveKit, LLMs).
SEO & Performance
Optimization of natural referencing and web performance to maximize your online visibility.
Professional Approach
Accustomed to demanding environments (real estate, renewable energy, SaaS), I work with Agile methodologies, apply Clean Code principles, and document my components with Storybook.
Why work with me?
✔ Fluid and transparent communication
✔ Respect for deadlines and specifications
✔ Maintainable and scalable code
✔ Available remotely or hybrid
Let's discuss your project — I respond in under 24 hours.
English
Native or bilingual
French
Native or bilingual
Can work on-site
Nice (up to 50km), Nice (up to 50km)
Experience
- Encore MieuxEncore MieuxHOSPITALITYMay 2025 - November 2025 (6 months)Toulon, France👉 Development of user interfaces with Next.js.* Integration of content via Sanity.* Use of Docker for application containerization.* Consumption of REST APIs and GROQ queries.Design and development of an autonomous management platform allowing hotel clients to control their access (establishment, room) via a digital interface.
- Winter energiesFrontend DeveloperENERGY AND UTILITIESSeptember 2024 - May 2025 (8 months)Aix-les-Bains, France👉 As a frontend developer at Winter Energies, my mission is to create modern and performant user interfaces using Next.js, TailwindCSS, and TypeScript.I work closely with the backend team to integrate a Mongo API and ensure optimal data management fluidity.My work directly contributes to Winter Energies' goal of supporting households in making sustainable changes to their energy consumption habits, thereby reducing their environmental impact and promoting social justice. My role is to provide reliable and scalable technical solutions to support this mission.
- La Boite ImmoWeb Front-end DeveloperREAL ESTATEJune 2022 - August 2024 (2 years and 3 months)Hyères, France👉 I create and maintain intuitive and responsive user interfaces with React, Next.js, and TypeScript.By transforming Figma mockups into pixel-perfect web pages with TailwindCSS, I ensure full compliance with the provided designs.I optimize the retrieval and sending of data via APIs developed in Symfony.By applying AGILE methodologies and Clean Code principles, I ensure a clean and scalable codebase.I use Storybook to document UI components and Docker to containerize applications, which improves the efficiency of development workflows.
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Education
- Web and Mobile Application Integrator / Developer3WAcademy2021Licence intégrateur développeur d'application Web et Mobile avec option React et NodeJs. Licence réalisée en alternance et obtenue avec mention.
- Junior Web DeveloperOpenClassrooms2020Formation réalisée pour obtenir les bases du code. HTML, CSS, Bootstrap, VueJS, React, MySQL, NodeJs. Formation obtenue en 6 mois.