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Serge J.SJ

Serge J.

Web & Mobile Developer, Fullstack, React

€550/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Serge

Web and mobile developer, mainly in javascript with meteor, react, node and react native for mobile.
I offer to develop your web or mobile application, or to make modifications to existing applications.
I am also available for startup launch projects.

The right technology for your application: javascript offers the possibility of creating both a mobile application or website but also a server to run your back-end. A single language for the front-end and the back-end, a saving of development time and cost.

Do not hesitate to contact me for your project.
  • English

    Native or bilingual

  • French

    Native or bilingual

  • German

    Basic

  • Russian

    Basic

Remote only
Primarily works remotely

Experience

  • CTOT.app
    Application for airlines
    AVIATION AND AEROSPACE
    June 2020 - September 2020 (4 months)
    Creation of an iOS application for airlines: allows the management of the flight plan of aircraft. The application is called CTOT and is available on the app store.

    The application consists of an iOS app and a NodeJS backend server.
    Fullstack React Native React.js Node.js Back-End Development Front-End Development GraphQL JavaScript MongoDB HTML5 CSS3
  • ROAR
    CTO
    SOCIAL NETWORKS
    May 2018 - March 2020 (1 year and 10 months)
    Creation of a startup for influencer/brand matching on Instagram in order to do influence marketing campaigns.

    Brands define their influence campaign and ROAR determines the influencer profiles corresponding to the brand's target. The analysis of influencer profiles and the brand's objectives are at the heart of the matching strategy.
    ROAR also manages the brand/influencer relationship throughout the campaign.

    The application is a website and a backend coded in fullstack javascript thanks to the MeteorJS framework.
    Meteor.js Fullstack JavaScript MongoDB CSS3 Back-End Development Front-End Development
  • MagikLogbook
    Mobile and web application developer
    AVIATION AND AEROSPACE
    May 2017 - October 2017 (6 months)
    Paris, France
    Complete development of a mobile flight log application for pilots. Front and backend.
    Reduced development time thanks to the use of Meteor.

    Technology used:
    - Meteor: Javascript fullstack framework ranked among the best of the moment.
    - React: front-end framework.
    - MongoDB: object database.

    Results and features:
    - iOS and web mobile application.
    - Database synchronization even with an offline mobile (synchronization when returning online).
    - Payment system: Apple inApp purchase, Apple Pay and Stripe (credit card).
    - PDF generation with data stored in the database.
    - User management system.
    React.js React Native Meteor.js Amazon Web Services JavaScript MongoDB

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