Freelancer profile translated to English.
Back to original languageAbout Saïd
React.js / Next.js / TypeScript Frontend Developer
React.js / Next.js / TypeScript Frontend Developersince 2017, I support startups and product teams in creating modern, fast, and maintainable interfaces
Developing a SaaS product or a startup application?
I transform your mockups and specifications into high-performing, scalable, and user-oriented frontend interfaces.
My frontend expertise:
- Interface development in React.js / Next.js
- Pixel-perfect integration of mockups (Figma)
- Scalable frontend architecture in TypeScript
- State management (React Query, Zustand, etc.)
- REST / GraphQL API integration
- Performance optimization (Core Web Vitals, technical SEO)
What I develop:
- Complex SaaS dashboards
- Client areas & back-offices
- Onboarding flows
- Interactive web applications
- Interfaces with strong business logic
My approach
As a React.js frontend developer, I don't just code interfaces:
- I think about user experience (UX)
- I structure a maintainable and scalable frontend
- I work in direct connection with product challenges
- I deliver clean, scalable code ready for evolution
Main stack:
- React.js
- Next.js
- TypeScript
- REST / GraphQL APIs
- Tailwind / Modern CSS
Why work with me:
- Specialization in React / Next.js Frontend
- Experience with SaaS products & startups
- Product + technical vision
- Full remote, autonomous, and responsive
My positioning:
👉 Frontend Developer specialized in React.js / Next.js / TypeScript
👉 Focus: SaaS, digital products, modern applications
👉 Goal: create fast, robust interfaces designed to scale
📩 Looking for a React.js / Next.js frontend developer to build or evolve your product?
Let's talk about your project 🚀
French
Native or bilingual
English
Fluent
Spanish
Basic
Can work on-site
Paris (up to 50km), Lille (up to 50km), Lyon (up to 50km), Toulouse (up to 50km), Marseille (up to 50km)
Experience
- CoachFikFull-Stack Developer — Design & development of a sports coaching SaaS platformSPORTSFebruary 2026 - April 2026 (2 months)Paris, FranceComplete design and development of a sports coaching SaaS platform, from the database to the user interface.The product allows coaches (bodybuilding, yoga, running, nutrition) to manage their online activity: tracking their clients, planning and building training sessions, assigning personalized exercises.Clients access their space to track their progress, view their sessions, and visualize their statistics.My scope covered the entire project: database modeling, REST API design, interface development, authentication and role management (coach / client), and subscription payment system integration.Technical topics covered include: JWT authentication system with role-based guards, drag-and-drop session builder connected to an external exercise API, Stripe integration with Stripe Connect for coach payments, and a multi-tenant architecture where each coach only accesses their own data.The product is architected to evolve into a public marketplace — similar to Doctolib — with real-time coach discovery and booking.
- SélyaFront-end Developer – Creation of an e-commerce siteE-COMMERCEOctober 2025 - November 2025 (1 month)Paris, FranceComplete design and development of a premium e-commerce site for a high-end perfume brand.Stack: Next.js, TypeScript, Tailwind CSS, Framer Motion— Clean, responsive, and conversion-oriented design— Smooth animations for a high-end user experience— Optimized performance and SEO— Architecture designed for evolution (adding products, pages, CMS integration)
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Education
- Web DeveloperOpenclassroom2020
Certifications
- Senior Front-End DeveloperFront-End Developer2017