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Simon G.SG

Simon G.

Expert mobile applications

€540/day
2 projects
Marseille, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
Back to original language

About Simon

Passionate mobile developer for over 7 years, I have helped numerous startups (including my own) bring their projects to life by creating hybrid iOS and Android mobile applications in React-Native, as well as web applications.

I have been interested in artificial intelligence for several years and am passionate about and very knowledgeable about the latest possible uses of ChatGPT. I would be delighted to help your application ideas using the ChatGPT API come to fruition!

Highly autonomous, I have sometimes led small teams (up to three developers) and at other times I have developed applications alone from conception to store release.

I will be able to guide you throughout the development process. My experience can also help you choose between different features, particularly by providing accurate time estimates.

I can also manage the back-end part, whether with Firebase or a dedicated Linux server that I fully administer.
  • French

    Native or bilingual

  • English

    Fluent

  • Spanish

    Conversational

Remote only
Primarily works remotely

Experience

  • DPEboost
    Senior Developer
    REAL ESTATE
    November 2024 - April 2025 (5 months)
    I developed this web application alone up to its first clients: landing pages, complex dashboard with various features accessible or not depending on the chosen plan (Stripe payment), PDF generation, complex calculations (3CL method for DPE calculation)

    React.js Next.js Vercel
  • Lyynk
    Senior React-Native Developer
    June 2024 - November 2024 (5 months)
    As part of a small team that I joined at the very beginning of the adventure, we took the application to its launch on the stores. The application is rated 4.8 on the stores with over 100K downloads

    React Native Expo Github Actions
  • Edilians
    Senior Web Application Developer
    CIVIL ENGINEERING
    September 2023 - May 2024 (8 months)
    I developed an application alone with multi-level user management, complex hourly electricity production and consumption calculations, selection and calculation of distances on a Google Maps map, multi-page PDF generation with numerous variables, etc.

    React.js Node.js GoogleCloud

Reviews

5.0

Out of 2 ratings

S

Sofia

Fablife

Reviewed on 8/31/2022

We hired Simon to fix several bugs on our mobile application launched over a year ago and to translate it into English. He first had to update the project to ensure compatibility with the stores. Our codebase was difficult to debug and maintain, our users were complaining, but Simon patiently worked to improve it and make it more robust. We greatly appreciated working with Simon. He was professional, autonomous, and a very good communicator. We described the bugs to be fixed, and he worked alone to resolve them. He kept us informed of his progress and any issues he encountered. We intend to work with him again on future missions!
J

Julien

Finary

Reviewed on 8/11/2022

Recommendations

FU
FU
Former user and 1 other person have recommended Simon

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Education

  • Université Vincennes-Saint-Denis (Paris VIII)
    2016
  • Camille Vernet

Skill set

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