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Leo CornillonLC

Leo Cornillon

CTO - Lead Mobile Developer (Android/Flutter)

€700/day
Lyon, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Leo

How to combine quality development and performance? This is the question that motivates me every day to provide the best possible product.
Throughout my professional career, I have sought to explore new technologies, new frameworks, new methods, and keep the best.
Today, by taking on the responsibility of CTO and Lead Developer, I have been able to personally test these techniques on a daily basis.

In parallel with this activity, I also carry out missions as a Freelancer. I am ready to intervene in the following areas:

- Flutter Training
- Cross-platform application development: design, deployment, backend (Flutter, React.Js, Firebase, Kotlin ...)
- Website and PWA creation (Flutter / React.Js)
- Consulting in architecture and service optimization (Micro-service, DevOps, Agility ...)

Looking forward to helping you with your projects!
  • French

    Native or bilingual

  • English

    Fluent

  • Spanish

    Conversational

Can work on-site
Lyon (up to 10km)

Experience

  • YUPWEGO
    Software Engineer
    BANKING AND INSURANCE
    February 2022 - Today (4 years and 4 months)
    Lyon, France
    Yupwego is a startup based in Lyon, specializing as a broker in travel insurance. As lead software engineer, I was able to design and develop the platform in its entirety:
    • Development of a coherent CI/CD environment (Gitlab). All services are deployed on our own servers at OVH.
    • Backend development in NodeJS. Special care was given to data validity, insurance being a strict field, with in particular the implementation of a resilient Event Driven architecture.
    • Development of the authentication system with Keycloak. This system is widely used for our public API, as well as for managing our partners.
    • Front-end development with a classic Next.js / Tailwind stack.
    • Development of gateways for the front and back ends with HAproxy.
    Gitlab CI/CD Node.js Next.js HaProxy
  • YNOV LYON
    Flutter Trainer
    EDUCATION AND E-LEARNING
    October 2020 - October 2020
    Lyon, France
    As part of the Web and Mobile Development programs at Ynov Lyon school, I provided training in Flutter development to M1 and M2 students.
    The training covers the fundamentals of the Framework and programming with the Dart language, based on the development of a small application.
    The course material used during the training is available at the following address: https://slides.com/leoco/flutter_introduction
    Flutter Training
  • Ridevizor
    CTO / Co-founder
    TRANSPORTATION
    July 2019 - February 2022 (2 years and 7 months)
    Paris, France
    Creation of a startup in the transportation industry. The goal is to simplify the lives of VTC drivers by offering them to receive all their rides in a single application. More information on ridevizor.com

    As CTO and lead developer of the project, I designed the entire architecture and implemented the testing and continuous deployment systems on the PlayStore.

    The frontend is a Native Android application. The backend is managed in Kotlin, in addition to the use of Firebase and Google Cloud Platform.
    Kotlin Google Cloud Firebase Android DevOps

Recommendations

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Former user and 2 other people have recommended Leo

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Education

  • Engineer in Web and Communicating Objects Computer Science
    CPE Lyon
    2018

Certifications

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