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Quentin BrillaisQB

Quentin Brillais

Full-Stack Developer | React/Next, Svelte, Node

€400/day
Paris, FR
3-7 years

Average response time: 12 hours

Freelancer profile translated to English.
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About Quentin

Fullstack Developer | React · Next.js · Svelte · Node.js

You have a project to launch or an app that's reaching its limits? I design and deliver robust web applications, from initial concept to production deployment.

Fullstack Developerwith years of experience, I work for startups, SMEs, and agencies: creationfrom scratch**, taking over existing codebases, **AIintegration, andclouddeployment.

Recent Achievements:

*OrgaTribu**: Co-parenting mobile app (**React Native / Supabase**). Took over a vibecoded project reaching its limits, debugging, optimization, adding missing features, **real-timedata,Stripeintegration, and production deployment.

*Suriven**: **Next.js / Supabaseapplication withOpenAIintegration, prompt engineering, conversation history, and custom data processing.
  • **Rateme**: Mobile social network (**React Native / NestJS**), authentication, geolocation, rating, and ranking.
  • **Holberton**: Maintenance of an infrastructure with **thousands of active users**. CI/CD pipeline, test automation, continuous integration, and scratch creation of interconnected HR sites in an **international context**.


**Stack**: React.js, Next.js, Svelte, React Native, Node.js, NestJS, TypeScript, Supabase, PostgreSQL, TailwindCSS, Git, Github, Docker, MongoDB, Stripe, AWS, Scaleway, Vercel.


✓ Clear and maintainable code
✓ Direct communication
✓ Iterative delivery
✓ Real involvement in product challenges

Contact me, I respond quickly and am available for a video call to understand your needs and propose a concrete approach.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 50km), Nice (up to 50km), Marseille (up to 50km), Lyon (up to 50km), Toulouse (up to 50km)

Experience

  • OrgaTribu
    Full Stack Developer
    March 2026 - March 2026
    Nice, France
    OrgaTribu – Fullstack Developer

    → Mission Objective:
    Take over aReact Native**- Supabase** project that had reached its technical limits, stabilize it, optimize it, and complete it up to production deployment.

    → Achievements:
    • Audit and complete takeover of an existing codebase: problem identification, in-depth **debugging**, and refactoring to make the project maintainable and scalable.
    • Optimization of the application's overall performance and implementation ofreal-time data synchronizationvia **Supabase**.
    • Development of missing features: calendar with customizable guards and events, family information sheets, text transmissions, comments, photos and attachments, budget allocation based on income and custody time.
    *Stripeintegration for in-app payment management.

    *Productiondeployment and delivery of a stable, performant, and ready-to-use application.

    → Technical Stack:
    React Native, Supabase, TypeScript, Stripe.
    React Native Mobile Application TypeScript Developer Stripe Full-stack Development
  • Holberton
    Full Stack Developer
    EDUCATION AND E-LEARNING
    September 2023 - December 2025 (2 years and 3 months)
    Paris, France
    Holberton – Fullstack Developer

    → Mission Objective:
    Ensure the stability and evolution of a complex infrastructure with a large audience, while developing new interconnected HR tools for an international context.

    → Achievements:
    • Taking over and maintaining an active infrastructure with several thousand users: deploying patches, incident management, and continuous platform stabilization.
    • Setting up and optimizing a complete CI/CD pipeline: test automation, continuous integration, pre-production environments, and reproducible deployments.
    • Scratch development of integrated ancillary HR platforms connected to the existing infrastructure, facilitating administrative management in an international context.
    • Active collaboration within a large tech team: code reviews, technical documentation writing, and onboarding new team members to accelerate their skill development.
    → Technical Stack:
    Node.js, TypeScript, React, Flask, Typescript, PostgreSQL.
    Web Development Front-End Development React.js Node.js Fullstack
  • RateMe
    Full Stack Developer
    SOCIAL NETWORKS
    August 2023 - August 2023
    Nice, France
    Rateme – Mobile Developer

    → Mission Objective:
    Design and develop a social network-type mobile application allowing individuals and businesses to rate each other and access a dynamic ranking.

    → Achievements:
    • Development of the entire stack, fromReact Nativefrontend toNestJSbackend, within a robust and maintainable architecture.
    • Implementation of a completeauthenticationsystem: registration, secure login, and user session management.
    • Development of ageolocationmodule for locating andfilteringnearby users and businesses in **real-time**.
    • Design of the userratingsystem: submitting reviews, calculating scores, and generating adynamic rankingthat highlights the highest-rated profiles.

    Stack used: React Native, NestJS, Node.js, TypeScript.
    React Native Fullstack Mobile Development NestJs Node.js

Recommendations

JV
François AubeutFA
John Valentin and 1 other person have recommended Quentin

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Education

  • RNCP 7 (Master's degree)
    42 Nice
    2025
  • Python 3 Certification
    Codingame
    2022
    Certification python 3

Skill set

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