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Etienne ViénotEV

Etienne Viénot

Senior Developer | Android • iOS | CII Certified

€650/day
1 project
Lyon, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Etienne

Identified as being in the top 10% of global developers in terms of downloads by AppBrain. Open to freelance assignments and long-term collaborations with ambitious startups.
Technical stack: Java, Flutter, Android SDK, Accessibility Service, Retrofit, ObjectBox, Glide, JSoup, Git, etc.

Thanks to my CII accreditation (innovation tax credit), I offer my clients the possibility of obtaining a 20% saving on expenses incurred. This makes it possible to reduce the financial impact of innovative projects.


  • French

    Native or bilingual

Can work on-site
Lyon (up to 50km)

Experience

  • Toneiv Apps
    Senior Mobile Developer | Android • iOS • Android Native • Flutter | Backend | Software Engineer
    April 2018 - Today (8 years and 2 months)
    Lyon, France
    Development of Android/iOS applications forWoonoz Projet Voltaire(one and a half million unique users annually):
    • **Octave Projet Voltaire**: virtual coach powered by AI.
    Development from scratch and regular deployment on the Google Play Store of the applications **Auto Cursor**, **UbikiTouch**, and **Stakali**.
    • Over 1,200,000 cumulative installations across all these applications to date.
    • Identified as being in the top 10% of global developers in terms of downloads by AppBrain.
    **Technical stack**: Java, Flutter, Android SDK, Accessibility Service, Retrofit, ObjectBox, Glide, JSoup, Git, etc.
    Java API SQL Flutter Android
  • ECAM
    Development - Project Management - Teaching
    EDUCATION AND E-LEARNING
    January 2007 - July 2023 (16 years and 6 months)
    Lyon, France
    Development engineer missions within the framework of Android application development, Web Services, Servlets, and JSR-168 Portlets. Project manager for the implementation of Liferay solutions (Intranet, Websites) and Android: Validation of specifications documents, specifications, functional tests, load tests. Java language teacher. Supervising manager in research and development project activities. Technical stack: Android SDK, Java EE, JSP, Portlet, Servlet, Struts, Hibernate, PHP, HTML, Javascript, jQuery, CSS, PostgreSQL, MySQL, Apache, Tomcat, Velocity, RabbitMQ, GLPI, Redmine, SVN, Git, etc.
    Java Android SDK API SQL Functional Specifications
  • Cegid
    Developer
    SOFTWARE PUBLISHING
    January 2005 - January 2007 (2 years)
    Lyon, France
    Development on ERP software (Fashion, Sales Management, Payroll, Accounting): Requirements gathering, specifications document, functional analysis, development, testing procedures, and integration of functionalities, adherence to established quality standards (Technical environment: DELPHI V5, V7, MSSQL, ORACLE, AGL CEGID).
    SQL API Oracle Functional Specifications Specifications Document

Reviews

5.0

Out of 1 rating

L

Léo

Woonoz

Reviewed on 4/2/2025

I highly recommend Etienne for your various projects. He delivers quality work and excellent initiative to ensure the mission is carried out with confidence. We were in constant communication and Etienne proposed solutions that went beyond the specifications document. He has many qualities that make me delighted to work with him again soon.

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Education

  • Specialized Master's in Computer Science, Computer Science
    INSA Lyon - National Institute of Applied Sciences of Lyon
    2004
    Mastère Spécialisé en Informatique, Informatique
  • DEA Level in Social Sciences and Humanities, Social Sciences and Humanities
    Université Lumière Lyon 2
    2000
    Niveau DEA de Sciences Humaines et Sociales, Sciences Humaines et Sociales

Skill set

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