You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Brandon SueurBS

Brandon Sueur

React.js, Next.js, React Native, Expo Developer

€500/day
35 projects
Paris, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
Back to original language

About Brandon

I have worked on over 150 projects (SNOF, Notiplus, Diagoriente, Lyveat, La poste, Renaissance, and 150+ others), often on technically challenging topics: performance, architecture, scalability, complex UX.

My goal is simple: to build a clean, scalable technical foundation tailored to business needs.

What I can bring to you
• Clear and maintainable architecture
• Modern front & mobile development
• Long-term technical structuring
• Performance improvement
• Taking over and securing existing projects

My typical missions
• Creation of B2B/B2C SaaS
• React Native / Expo mobile applications
• Redesign of existing platforms
• Outsourced CTO
• Technical architecture
• Startup MVP
• Business dashboard
• APIs and back-office

Frontend & Mobile
React.js / Next.js / TypeScript
React Native / Expo

Backend & Data

Node.js (AdonisJS, NestJS)
PHP (Laravel, Symfony)
Supabase / Firebase / PostgreSQL
GraphQL / REST

AI & Automation

OpenAI / LLM API / AI Agents
Automated workflows / no-code & low-code integration
Data processing & intelligent features

Positioning
I help you build a technically sound product, intelligent in its use, and ready to evolve in an environment where AI is becoming central.

**Keywords**: React, React.js, Next.js, React Native, Node.js, Adonis, Expo, Mobile, Web application, Mobile application, UX/UI designer, Redesign, Startup, AI, intelligence, artificial, website, GenAI, Tech project managers, Web Agency, React.js Agency, React Native Agency


● Backend development
● Website creation
● Web application development
● Mobile application development
● Full Node.js backend development
● Mobile developer
● Frontend developer
● Next.js developer
● React Native developer
● Expo developer
● Lead Dev
● Fullstack CTO
● Front-End Expert
● Mobile Expert
● Artificial intelligence, AI, GenAI, LLM, automation
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 50km), Lille (up to 50km), Montpellier (up to 50km), Lyon (up to 50km), Nice (up to 50km)

Experience

  • Syndicat National des Ophtalmologistes de France
    CTO / Full-Stack Developer
    MEDICAL
    February 2025 - January 2026 (11 months)
    Lille, France
    Professional union organization bringing together Ophthalmologists from France for nearly 120 years. The SNOF's mission is to defend the profession in its various specialties and to consider proposals concerning the future of Ophthalmology.

    - Development of the SNOF back-end (API)
    - Creation of the different mockups on Figma
    - Development of the new snof.org website
    - Implementation of a payment system with Stripe
    - Creation of the SNOF application with Expo 53
    React Native Expo React.js Next.js Stripe
  • Yomoni
    Front-End Developer
    BANKING AND INSURANCE
    October 2024 - October 2024 (1 month)
    Paris, France
    Yomoni is the solution for managing your savings simply. We offer different envelopes (life insurance, PER, PEA, securities account) with different profiles, to best meet your savings needs. All 100% online.

    - Development of the new Layout with Expo Router
    - Implementation of Storybook with the different components
    - Refactoring of some components in TypeScript
    React.js React Native Developer TypeScript Expo Next.js Developer
  • Lyveat
    CTO — Full Stack Developer
    RESTAURANTS AND FOOD SERVICE
    December 2023 - September 2024 (9 months)
    Lyon, France
    Lyveat delivers your favorite restaurants where others don't go! Select what you crave, click, get it delivered! Lyveat is the first French delivery app outside major cities.

    The challenge was significant: starting from scratch on the website to create a platform equivalent to competitors. All in a very short time. Thanks to new technologies and my expertise in the React.js library and the Next.js framework.

    ✅ 100% French application 🇫🇷
    ✅ 100% of the delivery fee goes to the driver

    - Development of the platform from scratch
    - Payment with Stripe & Stripe Connect
    - Order tracking, order history...etc
    AI Agent Supabase Artificial Intelligence Zapier Generative AI

Reviews

5.0

Out of 24 ratings

L

Lucas

Lucas

Reviewed on 10/16/2025

Brandon is a very competent developer, detail-oriented, attentive to client requests, and a hard worker. I highly recommend him!
L

Luca

Luca Bagnara

Reviewed on 2/28/2025

Thank you for your mission, 5 stars!

Brandon has chosen to hide 1 review

1 written review is private.

Recommendations

Olivier WavreilleOW
EM
SV
+8
Olivier Wavreille and 10 other people have recommended Brandon

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Education

  • Web development and integration, Webdesign, project management.
    Self-Taught
    Autodidacte dans le développement web depuis 2013, je m'efforce de rester à jour sur les technologies que j'utilise et j'aime apprendre de nouvelles choses.
  • Full Stack Web Development Certification
    FreeCodeCamp
    2016

Certifications

  • Self-Taught
    A certification still in progress, I certify my skills a little more each day.
    Expo TypeScript Node.js React Native React.js

Skill set

Categories