Freelancer profile translated to English.
Back to original languageAbout Célian
Freelance fullstack developer specializing in mobile (Flutter, React Native) and web (React, Angular, Spring) applications, I assist my clients in creating modern, robust, and tailor-made products, from MVP to production.
I design and develop high-performance, user-friendly, and responsive interfaces, while ensuring clean, scalable, and maintainable code. I can work on existing projects or start from scratch.
What I offer:
• Android/iOS mobile apps with Flutter or React Native
• Showcase websites or complex apps (React, Angular)
• Secure backends (Java Spring Boot / Node.js)
• Integration of Firebase, Appwrite, CI/CD, Auth, storage, etc.
• App Store / Play Store delivery + web hosting
• Technical consulting & product support
I am also co-founder of Quantiq Studio, which allows me to expand resources (UI/UX, QA, technical reinforcement) according to your needs.
French
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- Mobility - Enjoy the wayDeveloperSeptember 2022 - Today (3 years and 11 months)Lyon, France
- Angular, Java (with Spring) development
- DevOps CI/CD
- Flutter Mobile Development
- Monitoring
- Publishing
- Quantiq StudioFreelance Web & Mobile DeveloperINTERNET OF THINGS (IOT)January 2022 - Today (4 years and 7 months)Lyon, France
- Project Management: Planning, deadline estimation, and deliverable tracking for various projects.
- Client Relations: Communicating with clients to understand their needs, propose suitable technical solutions, and ensure their satisfaction.
- Frontend Web Development: Creating modern and responsive user interfaces using HTML, CSS, JavaScript, and frameworks like React.js or Angular.
- Mobile Development: Complete creation of mobile applications, Minimum Viable Product (MVP) realization, Deployment, Monitoring.
- Backend Web Development: Designing and implementing robust backend systems with PHP, Java Spring, and SQL for data management.
- Custom Website Creation: Developing personalized websites to meet specific client needs.
- Performance Optimization: Improving website speed and efficiency through compression, caching, and code cleanup techniques.
- Maintenance and Support: Bug fixing, content updates, and enhancement of existing features on client projects.
- Independent Work: Organization, time management, and meeting deadlines without direct supervision.
- Knowledge of Collaboration Tools: Using Git, GitHub, and GitLab for secure source code management and effective collaboration.
- Basic SEO: Integrating best practices in natural referencing to improve the visibility of client websites.
- Adaptability: Ability to work on diverse projects for companies of different sizes and sectors.
- Les Ynoviens en 4LWeb DeveloperINTERNET OF THINGS (IOT)October 2020 - June 2022 (1 year and 8 months)Lyon, France
- Website Development
- Implementation of a computer concept for the 4L car
- Electronic schematic
- Microcontroller
- Arduino
- Website Hosting
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Education
- Master 2 (M2), Mobile, Software & IoT DevelopmentLyon Ynov Campus2025Master 2 (M2), Developpement Mobile, Logiciel & IOT
- Bachelor of Computer Science, Computer ScienceLyon Ynov Campus2023Bachelor Informatique, Informatique