Freelancer profile translated to English.

Description

👋 Hi!

I'm Sacha, a fullstack developer specializing in the design and development of modern and high-performing digital solutions.

Need an impactful landing page, a robust SaaS application, or quick technical assistance for your website or app?

I can help you with tailor-made, effective, and results-oriented solutions.

🔧 My key technologies:

Next.js, React: Fast and SEO-optimized front-end.

Node.js, Express.js: Powerful and scalable back-end.

PostgreSQL, Prisma: Modern and secure databases.

TailwindCSS, ShadCN: Responsive and intuitive designs.

NextAuth, Lucia: Smooth and reliable authentication.

Docker: Simplified and scalable deployment.

🚀 My main services:

🔵 Web & SaaS Development

Conversion-optimized landing pages.

Development of reliable and high-performing SaaS applications.

Mockup integration (Figma, Adobe XD, Sketch).

Showcase or e-commerce websites on WordPress, Webflow, or Shopify.

🔵 Maintenance & Optimization

Bug fixing and quick technical troubleshooting.

Performance optimization (loading times, stability).

Updates to ensure the security and reliability of your projects.

🔵 Design and Prototyping

Visual prototypes with Figma or Adobe XD.

Responsive and accessible design, mobile-first optimized.

✨ Why work with me?

Responsive and reliable technical expertise.

Client-centered approach with transparent communication.

Guaranteed optimization combining speed and SEO.

Fast deliverables that meet your expectations.

👀 Recent projects:

💼 S.A.C Studio: Secure multilingual website with audio demos (Next.js 14, TypeScript).

🎨 Kaew Gallery: Virtual gallery with immersive animations (React, GSAP).

🛠️ Wix Maintenance: Multilingual bug resolved in 48 hours, restoring international traffic.

🚀 No Copy Club: Protection SaaS (AWS, Node.js, TypeScript)

✉️ Have an idea or a technical problem?

Contact me to discuss your project.

Industry field of expertise

Languages

French
Native or bilingual
English
Native or bilingual

Workplace preferences

Can work on-site

Paris (up to 50km), Lille (up to 50km), Lyon (up to 50km), Toulouse (up to 50km), Marseille (up to 50km)

No copy club
No Copy Club – SaaS platform for audio content protection
SOFTWARE PUBLISHING
April 2025 - July 2025 (3 months)
Paris, France
Development of a SaaS specialized in protecting voice and audio content against AI cloning and unauthorized use.

With the rise of AI capable of cloning voices in just a few clicks, No Copy Club protects creators, voice actors, and audiovisual companies with a multi-layered solution combining technical security and ease of use.

Multi-layered Protection System:
🔒 Technical Protection:
Granular access control and secure download (name + email popup)
Intelligent rate limiting (5 downloads/min/email)
Advanced anti-scraping and complete download traceability

⚖️ Legal Protection (TDMRep):
European compliance and full implementation of the TDMRep protocol
Enhanced legal notices and automated GDPR management

🔍 Traceability and Monitoring:
Invisible watermarking (ATSC A/334 standard) on each file
Automated platform monitoring (ACRCloud) with real-time alerts

📊 Monitoring and Reporting:
Detailed monthly reports (downloads, blocked attempts)
Security statistics and personalized support

Technical Architecture:
- Serverless stack: AWS Lambda, DynamoDB, CloudFront, S3
- Technologies: Node.js, Express.js, TypeScript, Serverless Framework
- Monitoring: Winston, CloudWatch, Artillery, Jest, Puppeteer, Selenium
- Specialized integrations: ATSC A/334, ACRCloud, TDMRep

Results achieved:
95% reduction in scraping attempts
Response time under 50ms
Full GDPR compliance with 24/7 monitoring
Poing de velours
Poing de velours - Modern agency website with GSAP and Three.js animations
TELECOMMUNICATIONS
February 2025 - Today (1 year and 5 months)
Bruxelles, Belgium
Ongoing development of a modern website for an agency, integrating cutting-edge interactive animations.

This website focuses on complex and immersive animations to captivate visitors from the moment they arrive. Using a combination of **GSAP, Three.js**, and **Framer Motion**, the interface becomes an advanced visual experience. This project successfully demonstrates the synergy of technical performance and user-centered design.

Key Features:
- Technical foundation built onViteand **React**, ensuring superior performance and modular development.
- High-end animation withGSAP(GreenSock Animation Platform), enabling fluid and customized movements.
- Utilization ofThree.jsfor immersive 3D elements and a dynamic interface suitable for ambitious digital agency projects.
- Artistic transitions via **Framer Motion**, increasing user engagement.

Main Technologies:
- Stack:React, Vite, GSAP (GreenSock), Three.js, Framer Motion.
- Technical Focus:Complex animations, immersive 3D approach, advanced front-end pipelines.

Status:Under development – advanced project scheduled for March 2025.

Expected Benefits:
- Strengthening the brand image of digital agencies through an interactive and unique website.
- Showcasing modular and scalable animations tailored to creative needs.
Website React.js GSAP three.js Framer Motion Vite.js Animation UI Web Design 3D Graphics
Kaew Gallery
Kaew Gallery – Modern art gallery website with advanced animations
ARTS AND CRAFTS
January 2025 - February 2025 (1 month)
Chiang Mai, Thailand
Creation of an interactive and immersive website for a prestigious art gallery, combining modern design and captivating animations.

The main objective was to design a fluid and visually striking user experience, enhancing the presentation of the gallery's artworks. This project emphasizes the use of the latest front-end technologies and fluid animations, essential for artistic and immersive storytelling.

Key Features:
- Development withViteand **React**, ensuring ultra-fast loading times and a modular front-end architecture.
- Advanced animations implemented with **Framer Motion**, for smooth transitions and engaging visual effects.
- Integration oflocomotive-scrollto provide innovative navigation with immersive scrolling effects.
-User Experience (UX)oriented design, ensuring an inclusive and aesthetic experience.

Main Technologies:
- Stack:React, Vite, Framer Motion, Locomotive-scroll, CSS Modules.
- Technical Focus:Fluid animations, optimized loading, responsive design.

Results:Modern visual presentation adapted to the needs of galleries and interactive exhibitions.
Art Gallery Website React.js Vite.js 3D Animations Animation locomotive-scroll Framer Motion