Your browser is outdated!

To ensure you have the best experience and security possible, update your browser. Update now


Valentin Vion

Valentin Vion

Senior Software Engineer

34 years old
Employed Unavailable
  • Designing, building, and maintaining large-scale products as part of the Account team
  • Ensuring that all parts of the technical design are correctly incorporated
  • Writing high quality, testing, and documenting code
  • Following and improving high engineering standards and best practices
  • Technologies: PHP, Symfony, PHPUnit, MySQL, Doctrine, Redis, Grafana, Prometheus, Git, GitLab
Company Description
Proton is a Swiss technology company offering privacy-focused online services. The company's products are Proton Mail, Proton VPN, Proton Calendar, Proton Drive, and Proton Pass.
Company website
  • Continuous development and improvement of existing microservices and Android application
  • Conceptualized, developed and delivered new services:
    ◦ Implementation of an existing protocol enabling communication between electromobility parties
    ◦ Solution to offer smart charging to customers, based on energy consumption prediction and energy trading
  • Collaborated with internal and external entities to introduce new features
  • Supported the design and documentation of a large and scalable ecosystem
  • Technologies: Java, Spring Boot, Kotlin, Android, Gradle, OpenAPI, PostgreSQL, Grafana, Prometheus, Sematext, Git, Bitbucket, AWS, Auth0
Company Description
Mer Solutions GmbH is a provider of digital services in the field of electromobility. It offers services for charging electric vehicles and integrated solution for commercial fleets.
Company website
  • Developed new features for the core system
  • Adapted core system to meet customers specific needs
  • Maintained client projects
  • Insured smooth communication with clients during scrum sprints
  • Technologies: Java EE, Hibernate, JavaScript, Ext JS, XML, MySQL, Solr, Gradle, Subversion, Jenkins, JUnit
Company Description
Xpublisher GmbH is a software company developing XML-based-content management system for structured content creation and multichannel publishing.
  • Conceptualized, developed, deployed and maintained Android applications and Java desktop applications
  • Supervised the development and deployed the iOS application
  • Contributed to the development of the sensor's firmware
  • Set up and maintained the project management tool Redmine
  • Technologies: Java SE, JavaFX, Swing, Android, C, Mercurial, Bluetooth Low Energy, ANT+, Redmine
Detailed Description
  • cosinuss° One: an Android application using heart rate and temperature measurements along with GPS data to enable the user to track physical activity
  • cosinuss° Lab: an Android application allowing multiple connections with BLE sensors, displaying real-time charts and recording locally and remotely data used to improve vital sign detection algorithms (internal use)
  • cosinuss° ProdTest: a JavaFX application assisting device manufacturers to install firmware and to test and validate sensors' proper functioning (internal use)
Company Description
cosinuss° is an advanced technology startup building body sensors measuring heart rate and core body temperature from the ear. The device uses Bluetooth Low Energy and ANT+ to communicate with monitoring devices such as smartphones and smartwatches. The Android and iOS applications use these measurements along with GPS data to enable the user to track and monitor physical activities.
  • Stabilised and professionalized the online analysis service
  • Developed software modules for pre-existing physiological applications
  • Set up the project management tool Redmine, maintained GNU/Linux server
  • Technologies: Java, Subversion, NetBeans, Swing, GNU/Linux, Redmine
Company Description
Televasc is an organisation from Angers, specialised in the development of online tools for analyzing physiological data.
  • Developed online tools analyzing ultrasound images and vascular signals
  • Administrated an application server
  • Technologies: Java, PostgreSQL, Vaadin, Glassfish
Company Description
Televasc is an organisation from Angers, specialized in the development of online tools for analyzing physiological data.
  • Designed the company’s website
  • Learned graphics software and modeling tool
  • Technologies: HTML, CSS, jQuery, PHP, MySQL, Adobe Photoshop, Cinema 4D
Company Description
Sébastien Bazille is a computer graphics artist specialised in communication, architecture projects, town planning and scenography.
  • Developed an internal communication application
  • Designed and referenced dynamic websites
  • Technologies: HTML, CSS, jQuery, PHP, MySQL, Adobe Photoshop
Company Description
Promocadeaux is an object communication organisation network.