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Romain JenequinRJ

Romain Jenequin

Android Developer

€580/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Romain

Android Developer with over8 years of experience**, I participated in the **modernizationand evolution of strategic mobile applications at Europcar. With a solid background in developing consumer (with **+400k users**) and internal applications, I focus on performance, reliability (**crash-free rate > 99%**), and user experience, while collaborating closely with product, design, and QA teams.

I developrobust**, **maintainable**, and **scalablesolutions thanks to my skills:
✓ Jetpack Compose,
✓ Coroutines,
✓ RxJava,
✓ Hilt,
✓ JUnit

By usingmodern tools• Bitrise •Jenkins •Firebase •Google Analytics • Phrase •LaunchDarkly •Onfido •Didomi •Appsflyer •Contentful •Batch, I ensure precise monitoring,efficientdeployment, and continuous improvement of applications to meet user and business needs.

My goal: to continue developing mobile solutions, while evolving in stimulating and collaborative environments to learn more about application development.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 30km)

Experience

  • Europcar Mobility Group
    Android Developer
    TRAVEL AND TOURISM
    June 2020 - Today (6 years)
    Paris, France
    Following the acquisition of my external contract by Europcar, I continued the development of the new consumer mobile application, initially started via Onepoint.

    • Developed new features and improved the user interface by progressively migrating some screens to Jetpack Compose, thus strengthening the application's modernization and maintainability.

    • Contributed to the technical and functional consistency of the product through active participation in several teams, with a global project vision and experience on various application modules.

    • Designed and developed an internal tablet application dedicated to contract management, enabling station employees to gain efficiency and productivity in their daily tasks.
    Android Kotlin Coroutines Retrofit Jetpack Compose
  • onepoint
    Java Developer
    TRAVEL AND TOURISM
    October 2016 - June 2020 (3 years and 8 months)
    Paris, France

    Android Development – Europcar

    • Ensured the evolutionary and corrective maintenance of the old Europcar consumer application, guaranteeing its stability in production.

    • Provided support and improved an internal application used by station employees, facilitating the operational management of the vehicle fleet.

    • Developed the new consumer application in Kotlin, in collaboration with the design and QA teams, to offer a modern, reliable, and high-performance user experience.


    • Worked in a collaborative agile environment, ensuring code quality, application performance, and continuous adaptation to the needs of internal and external users.

    Java Development – Cadastral Plan Management

    • Developed specific features in Java within an internal software dedicated to the management and updating of the cadastral plan of the city of Bordeaux.

    • Integrated new functionalities and optimized existing tools, contributing to better reliability and accuracy of geographical data.

    • Collaborated closely with business teams to meet functional needs and ensure the consistency of cadastral information.

    Android Development – Prixtel Mobile Application

    • Designed and developed an Android application for the telecom operator Prixtel, integrating gamification and customer loyalty features to enhance user engagement.

    • Implemented a rewards system based on viewing advertisements and mini-games, allowing users to earn points exchangeable for SMS, calls, or internet data.

    • Developed an intuitive and responsive interface, ensuring a fluid user experience, and integrated interaction tracking mechanisms to optimize the effectiveness of the loyalty program.
    Android Java Kotlin RxJava Git
  • Carrefour France
    Mobile Application Developer
    RETAIL (LARGE RETAILERS)
    September 2015 - September 2016 (1 year)
    91300 Massy, France
    • Developed a prototype of an innovative mobile application for intuitively and accessibly managing and listening to a shopping list.

    • Implemented speech recognition (Speech-to-Text) to add items and speech synthesis (Text-to-Speech) to listen to the list, offering a fluid and interactive experience.

    • Designed hands-free use via headphones, allowing users to save time and keep their hands free during their shopping.

    • Developed a simple and ergonomic interface, designed for accessibility and user experience optimization.
    Apache Cordova Android Mobile Application Mobile Development

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Education

  • Professional Bachelor's Degree
    University of Evry-Val d'Essonne
    2016
    Licence Professionnelle
  • BTS IRIS
    Edmond Michelet
    2015
    BTS IRIS

Skill set

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