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Guillaume JacquartGJ

Guillaume Jacquart

Android Developer / Solution Architect

€800/day
2 projects
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Guillaume

Software engineer, I have had several experiences as an Android lead developer, on consumer projects with high audience, requiring technical refactoring, or related to the android system (AOSP).

Since 2010, I have had various experiences, in startups (more on the Back-end side), within a think tank (GDPR, co-design, hackathon organization, working group facilitation, ...) and then, for over 7 years (since 2018), in Android development missions and on system apps and the Android system itself since 2023.

I thus have solid expertise in Android, software factories, but also a broad understanding of the different components of software platforms, which allows me to bring an informed technical vision to roadmaps and architecture choices.

My experiences have also led me to work effectively with UI-UX teams (design and implementation of design systems, design and monitoring of A/B tests, ...) and to lead and organize an agile dev team.
  • French

    Native or bilingual

  • English

    Fluent

  • Italian

    Conversational

  • German

    Basic

Can work on-site
Paris (up to 10km), Aurillac (up to 50km)

Experience

  • Unowhy
    Android Lead Developer
    EDUCATION AND E-LEARNING
    February 2022 - December 2025 (3 years and 10 months)
    Neuilly-sur-Seine, France
    Lead developer of an agile team of 6 Android developers - AOSP.

    Unowhy manufactures Android tablets (and PCs) and offers the Sqool software suite to support their use in the classroom.
    • Technical upgrades of a Device Manager (Android system application)
    • Development of dedicated applications for using Android tablets in the classroom (primary - middle - high school)
    • Support for Android system image validation,
    • Implementation of the software factory

    Team Management
    • Co-design of technical solutions with backend, web frontend teams, ...
    • Sprint preparation jointly with the Product Owner
    • Definition and monitoring of Android architecture recommendations
    • Design and participation in development with the team
    Android AOSP Agile methodology android WebRTC OAuth2
  • Murena
    /e/OS Advanced-Privacy Developer and Maintainer
    SOFTWARE PUBLISHING
    October 2020 - Today (5 years and 8 months)
    /e/OS is an Android operating system without dependencies on Google. The AdvancedPrivacy component of /e/OS provides users with tools to control their privacy on their smartphone:

    - Tracking and blocking trackers,
    - Control of geolocation sharing: on-demand spoofing
    - Masking IP address with Tor,

    I have the opportunity to develop the project since its inception and bring evolutions to it.

    I also have the opportunity to design and develop other system components (UnifiedPush distributor, backup, ...)
    This is also an opportunity to work on other projects (UnifiedPush, ...)
    Android AOSP Geolocation Tracking
  • Geodis SCO
    Agile Android Developer in Kotlin
    LOGISTICS AND SUPPLY CHAIN
    October 2019 - Today (6 years and 8 months)
    Clichy, France
    Mobile developer within an agile team (scrum) of about fifteen people, including a mobile team of 4 (2 iOS, 2 Android).
    Creation of the Zipline application: a platform for managing last-mile deliveries. The mobile application is the tool for the driver/delivery person to retrieve and deliver packages, and to be in contact with the platform operators.

    The Android application was built with high-quality standards (clean architecture, unit tests, documentation), and a focus on consistency between iOS and Android implementations to facilitate maintenance.
    Android Kotlin Clean architecture Git RX Firebase Databinding Atlassian JIRA Mockito Mapbox

Reviews

5.0

Out of 2 ratings

L

Laurent

Geodis SCO

Reviewed on 7/16/2020

Very good mobile developer, passionate about his subject and possessing a wide range of technical skills. We were able to rely on his unwavering commitment to deliver an excellent result. Guillaume is also a great team player and contributed greatly to the good atmosphere and spirit of mutual aid within the team. I highly recommend this profile, especially for large-scale projects.
L

Laurent

Geodis SCO

Reviewed on 3/30/2020

We owe Guillaume the development of a highly complex mobile application benefiting from the highest industry standards. I recommend this profile without reservation, for his experience, his expertise, his efficiency, and his ability to integrate into a team in a scrum environment. We are, moreover, renewing our collaboration with him immediately!

Recommendations

Maxime V.MV
Thomas LupoTL
Kévin NaudinKN
+2
Maxime V. and 4 other people have recommended Guillaume

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Education

  • Engineer
    Ensimag
    2010

Skill set

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