Freelance Developer in Lille W e b • M o b i l e • S e o • D e s i g n
Expert freelance developer based in Lille, specialized in React.js, TypeScript and React Native. I create modern web and mobile applications for companies in the Lille metropolitan area.
Freelance development services in Lille
Judikaël Bellance, freelance developer based in Lille (59000), offers web and mobile development services to companies in the Lille metropolitan area. Specialized in React.js, TypeScript, React Native. Operating in Lille, Lambersart, Roubaix, Tourcoing, Villeneuve-d'Ascq. Custom application development, technical consulting, maintenance. Competitive rates 400-550€/day.
Freelance Developer Services in Lille
Expert in web and mobile development, I support companies in the Lille metropolitan area in their digital transformation with React.js, TypeScript and React Native.
React.js Web Development
Modern web applications with React.js and TypeScript. High-performance user interfaces and responsive design for optimal user experience.
React Native Mobile Apps
Cross-platform mobile application development with React Native. Single codebase for iOS and Android, App Store and Google Play deployment.
Ultra-Fast Astro Websites
Ultra-high performance websites with Astro.js. Native SEO optimization, minimal loading times, perfect for showcase and e-commerce.
Technical Consulting
Code audit, application architecture, performance optimization. Strategic advice for your development projects.
Maintenance & Support
Web and mobile application maintenance. Security updates, bug fixes, new features, technical support.
Training & Support
Training your teams in modern technologies. Support in adopting React, TypeScript and development best practices.
Expert freelance developer in Lille
Judikaël Bellance, freelance developer based in Lille (59000), offers high-quality web and mobile development services. Specialized in modern technologies: React.js for web development, React Native for mobile applications, TypeScript for code robustness, and Astro.js for ultra-high performance websites. Operating throughout the Lille metropolitan area: Lille, Roubaix, Tourcoing, Villeneuve-d'Ascq, Lambersart, Marcq-en-Barœul.
Mastered technologies
- React.js - JavaScript library for user interfaces
- TypeScript - Typed programming language based on JavaScript
- React Native - Framework for cross-platform mobile applications
- Astro.js - Framework for ultra-fast websites
- Node.js - Server-side JavaScript runtime environment
- Python - Versatile programming language
- Ruby - Object-oriented programming language
- Java - Object-oriented programming language
Business sectors
E-commerce, SaaS, startups, SMEs, associations, personal projects, business applications, showcase websites, web platforms, iOS and Android mobile applications
Client References - Freelance Developer Lille
Large companies that trust my expertise in React.js, TypeScript and React Native development. Projects completed as a freelance developer in Lille.
Freelance developer statistics Lille
- 9+ large corporate clients
- 2 years professional experience
- Sectors: Retail, E-commerce, Transport, Large retail
- Technologies: React.js, TypeScript, React Native, Node.js
- Service area: Lille metropolitan area and remote
Types of completed projects
E-commerce applications, business web platforms, iOS/Android mobile apps, showcase websites, SaaS solutions, API integrations, retail applications, internal business tools, progressive web apps, ultra-high performance websites
Sector expertise
Large retail (Auchan, Carrefour, Lidl, E.Leclerc), DIY/Gardening (Castorama, Leroy Merlin), Electronics (Boulanger), Railway transport (Alstom), Food retail (Aldi). Deep understanding of business and technical challenges in these sectors.
Strengths recognized by clients
- React.js and TypeScript technical expertise
- Meeting deadlines and budget
- Clear and proactive communication
- Quality and maintainable code
- Adaptability to business constraints
R e a d y t o S t a r t Y o u r P r o j e c t ?
Freelance developer in Lille specialized in React & Mobile. Free quote, guaranteed expertise, respected deadlines. Let's transform your idea into a high-performance application.
Contact freelance developer Lille
Contact Judikaël Bellance, freelance developer based in Lille, for all your web and mobile development projects. Specialized in React.js, TypeScript, React Native. Free quote, personalized advice, deadlines respected. Operating in Lille and metropolitan area.
Phone: +33 7 68 52 41 59
Email: contact@jud3v.fr
Address: 332 allée des ormes, 59130 Lambersart
Service area: Lille, Lambersart, Roubaix, Tourcoing, Villeneuve-d'Ascq
Google Customer Reviews
See what my clients say about my web and mobile development services