Freelancer profile translated to English.

Description

Fullstack Developer | React.js | Next.js | SaaS

You are developing aB2B SaaSand need afullstack developercapable oftransforming an ideaor an existing product into a fast, reliable, and scalable web application?

My goal is to deliver aturnkey solutionthat is professional and **maintainable**. Each project is designed to be clear in its architecture, easy to scale, and stable over time.

Concrete results delivered:

→SaaSRedesign: +26% workflow efficiency

→ Cyber **SaaS**: -95% errors, 3x deployment speed

→ **SaaS Platform**: +30 automated days

The code isstructured**, **documented**, and designed to allow your team to take over the project easily. You get a **reliable**, **performant applicationready to be used by your users and capable of **supporting your product's growth**.

What I offer:

*Fullstack SaaS Development (React.js, Next.js, TypeScript, CI/CD, Docker)

Website migration and redesign

*Scalableand maintainable technical architecture withproduction deployment

**API Integration**: Stripe, OAuth, SSO, Better-Auth

*Performance Optimization(SSR, SSG, Lazy Loading)

Test setup: Vitest, Playwright, Cypress

*Containerized DeploymentwithCI/CD

Clean, documented, and tested deliverables.

Technical Stack:Next.js, React.js, TypeScript, Node.js, PostgreSQL, Prisma, TailwindCSS, Shadcn, Material UI, Framer, GSAP, REST API, GraphQL, tRPC, Better-Auth, Playwright, Vite, Stripe, Docker, Kubernetes, Terraform, Vercel

👉Contact me(response within 1h) and let's discuss your project to see how I can assist you.

Industry field of expertise

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

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

CNPP
Fullstack Web Developer | Next.js | React.js | SaaS
DEFENSE AND MILITARY
January 2026 - Today (7 months)
Paris, France
→ Mission Objective:
Design a secure, performant, and scalable phishing campaign management **SaaS**, with strong performance optimization and a fluid user experience.

→ Achievements:
Full-stack development of aSaaSin React.js / Next.js withSSR/SSGoptimized for overall performance and loading speed
Integration ofartificial intelligencefor advanced analytics and an **intelligent search engine**, enhancing perceived quality and client decision-making
Implementation of ascalable architecture(Docker, CI/CD, multi-tenant, RBAC, SSO, OAuth, PassKey) andreal-timecapabilities (SSE, WebSocket), reducing management time and improving operational performance

→ Technical Stack:
React.js, Next.js, TypeScript, Node.js, Docker, CI/CD, Playwright, Vite, WebSocket, SSE, OAuth, PassKey, Resend, Better Auth, AI
Fullstack Next.js React.js B2B SaaS Artificial Intelligence
CNPP
Fullstack Web Developer | Next.js | React.js | SaaS
DEFENSE AND MILITARY
January 2024 - January 2026 (2 years)
Paris, France
→ Mission Objective:
Design an ergonomicSaaSto automate vulnerability scans and optimize business workflows.

→ Achievements:
Development of aSaaSsolution withNextJsand an SSR/SSG architecture optimized for performance.
Design of anergonomic UIfocused on the needs of the business team
Creation ofreusable React components
*Integration of external APIs(Outscan, Better-Auth)
Implementation ofunit and E2E teststo ensure code reliability and robustness
*Multi-tenantclient management with **OAuth**, **SSO**, RBAC, and Passkey for centralized accounts

*ContainerizationviaDockerand deployment withCI/CD

→ Technical Stack:
Next.js, React.js, TypeScript, JavaScript, React Query, Redux, Playwright, React Testing Library, Docker, CI/CD, Vite, i18n
Fullstack Next.js React.js B2B SaaS Artificial Intelligence
NEXITY
Fullstack Web Developer | Next.js | React.js | SaaS
CIVIL ENGINEERING
July 2023 - August 2023 (1 month)
Paris, France
→ Mission Objective:
Replace unstable Excel files with a centralizedSaaSto ensure reliable management of service providers and costs.

→ Achievements:
Development of aSaaSsolution withNextJsand an SSR/SSG architecture optimized for performance.
Design of a performantsearch engine→ quick access to service providers and operationaltime savings
Removal of macros andautomationof processes → always up-to-date data andsignificant error reduction
→ Technical Stack:
Next.js, React.js, TypeScript, JavaScript, React Query, Redux, Playwright, React Testing Library, Docker, CI/CD, Vite, i18n
Fullstack Next.js React.js B2B SaaS Artificial Intelligence

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Fullstack Developer | React.js | Next.js | SaaS

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