
Jérémie Guillot
Senior Android Developer|Kotlin Multiplatform KMP
3 recommandations
Salaire / Taux journalier
3 personnes recommandent
Lyon, France
Mobilité : Paris, Marseille, ...
Freelance
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À propos
Introduction
KMP & Android Senior Developer with 8+ years creating high-impact mobile applications for WHO, SNCF, and award-winning apps like BeReal. Expert in Kotlin Multiplatform, Jetpack Compose, and Clean Architecture with proven track record delivering complex features like AR, OCR, and offline-first solutions. Ready to transform your mobile-first strategy into reality.
Expérience de travail
Freelance Android Developer
FreelanceFreelance
mai 2020 - Présent
6 ans 6 mois
Greater Lyon Area
I help innovative companies with a positive impact to design and develop their mobile first strategy. You can contact me for any questions, information or advice!
Développeur KMP
TrynetFreelance
juil. 2025 - oct. 2025
4 mois
À distance
Missions: • Conception et développement complet du flux d’inscription et de connexion utilisateur. • Mise en place de la géolocalisation pour identifier automatiquement le site d’intervention le plus proche. • Intégration de la récupération dynamique des plannings et des tâches depuis le back-end. • Implémentation du suivi des commentaires et des retours terrain pour améliorer la communication opérationnelle. Application développée avec: • Kotlin Multiplatform (partage de logique métier) & Compose Multiplatform (partage UI) • Coroutines & Flow / Shared Flow (gestion asynchrone et flux de données) • Ktor (client HTTP multiplateforme) • Serialization (Kotlinx.serialization) • Room database, DataStore ----- Trynet est une plateforme ERP/CRM moderne, permettant de centraliser et digitaliser l’ensemble des processus métier (planning, suivi terrain, mobilité, gestion clients et interventions). Fondée en 2017, Trynet se positionne comme une solution innovante pour transformer les opérations en données exploitables, et offrir une expérience opérationnelle fluide à tous les utilisateurs
Android Developer Senior
BeReal.Freelance
févr. 2025 - juil. 2025
6 mois
Paris, France
Application native récompensée : • “Application Choix du Public 2022” par Google • “App of the Year 2022” par Apple Missions : • Développement d’une application 100% Kotlin avec Jetpack Compose • Clean Architecture réactive (Compose – ViewModel – UseCase – Repo – DataSources) exploitant Coroutines et Flow. Communication gRPC • Architecture multi-modulaire avec injection de dépendances via Koin Annotations [Work In Progress]
World Health OrganizationFreelance
juil. 2020 - janv. 2025
4 ans 7 mois
Remote, Oregon 97458, États-Unis
Lead Android Developer
janv. 2021 - janv. 2025
4 ans 1 mois
Remote, Oregon 97458, États-Unis
Android developer on the WHO Academy application project. - User registration with AppAuth OpenId - Course management with Scrom module - Multilingual management - Remote information retrieval and display Application developed with : - Jetpack Compose for visual rendering - Clean Architecture MVI - Android SDK - AppAuth OpenId for user authentication - Unit Tests / Integration Tests - Other: Hilt, Retrofit, Moshi, Jetpack Compose Animation, Jetpack Compose Navigation, Accompanist, Firebase, Espresso, Mockk, Kluent, LeakCanary, etc.
Android Developer
juil. 2020 - déc. 2020
6 mois
Remote, Oregon 97458, États-Unis
Android developer on the WHO Covid application project. - Addition of an augmented reality (AR) module - Offline document download and management - Transformation of a Java application into Kotlin - Multilingual management - Remote retrieval and display of information ------------ The World Health Organization (WHO) is a specialized agency of the United Nations (UN) for public health established in 1948. According to its constitution, WHO's objective is the attainment by all peoples of Member and Partner States of the highest possible level of health.
Lead Développeur Android
Groupe SNCFFreelance
févr. 2024 - déc. 2024
11 mois
Lyon, France
Développement de application PV SUGE, outil de verbalisation des agents SUGE Dont : - Gestion 100% hors-ligne - Scanner OCR & NFC des Passeport et nouvelle CNI - Téléchargement et gestion de référentiel - Transformation d'une application Java en Kotlin - Gestion de signature et dessin Canva - Recherche hors-ligne d’addresse physique Application développé avec : - Jetpack Compose - Clean Architecture MVI - Android WorkManager -Technique: Kotlin, Koin, Ktor, Moshi, Jetpack Compose Animation, Coil, Flow, Firebase, Espresso, Mockk, Kluent, LeakCanary, Gradle, etc. - Outils : Jira, Confluence, Github Action, Figma, Swagger --- La Sûreté ferroviaire est la police ferroviaire de la SNCF, dont la mission est de protéger, assister et sécuriser tant les voyageurs que le personnel et les biens sur l’ensemble du réseau SNCF. Elle peut également intervenir auprès de tous les autres opérateurs ferroviaires utilisant le réseau ferré français s'ils en font la demande.
Développeur Android - Formateur
OpenClassroomsFreelance
sept. 2023 - mars 2024
7 mois
Paris, France
Développeur Android
La PresseFreelance
juin 2023 - oct. 2023
5 mois
Montréal, QC, Canada
Mobile Development Teacher
ESME-Sudria | Ecole Spéciale de Mécanique et d'ElectricitéFreelance
févr. 2021 - juil. 2021
6 mois
Lyon, France
Initiation to the Kotlin programming language for an introduction to Mobile Development and the Android platform for 3rd year students of the ESME Lyon engineering school. Their goal was to make an Android project at the end of the semester, including several features, mainly: user registration, display of multiple information locally and/or remotely, list management, writing via API or Firebase in a remote database, etc. Creation of an Android course including : - Creation and configuration of an Android project - Introduction to the Kotlin language and the Android Lifecycle - XML view design - Creation of RecyclerView (ViewHolder, Adapter, notify) - Translation, Accessibility - MVVM architecture (ViewModel, Repo, UseCase...) - Using Firebase tools (Authentication, Storage, Distribution) - Quick introduction to Gradle ----------- Founded in 1905, ESME Sudria engineering school trains in 5 years multidisciplinary engineers, ready to take up the technological challenges of the 21st century. The modernity of its teaching methods is based on three components: the importance of the spirit of innovation; the omnipresence of projects and initiatives; and a very broad international, human and cultural outlook. The school delivers a diploma recognized by the State and accredited by the CTI
Android Developer - Mobile Application
FINALCAD
juin 2019 - mai 2020
1 an
Lyon, France
Development of several FINALCAD applications for an international audience. - Development of native mobile applications (Android) available in about ten countries. - Configuring a Back-End Firebase - Managing a Git-flow within a team - CI Integration - Bitrise: SonarCloud, Beta Distribution, Publishing - SCRUM Method - Agile: Spotify Squad - Tools: Jira, Confluence, Bitrise, Sketch, Zeplin, Postman, Swagger, Miro, Metalab --- FINALCAD is a world leader in digital transformation for construction, infrastructure, energy and concessions. Its mobile apps and predictive analytics help general contractors, architects, project owners and operational staff to manage observations, controls and progress. Our mission: to increase quality, reduce cost and make it accessible to all. FINALCAD is part of the Next40!
Android Developer - Mobile Application
Apps Panel
juin 2016 - mai 2019
3 ans
Greater Lyon Area
Developer for many groups of their application production, such as PwC, TLM (Télé Lyon Métropole), Louis Vuitton Foundation, Sytadin, Enedis, Jassen or the city of Villeurbanne... - Application conception - Follow-up of the good progress of the project - Development of native mobile applications (Android) - Application Testing - Tools: Redmine, Zeplin, Jenkins, Apps Panel SDK (monitoring, API analysis, advertising, etc.) --- Apps Panel is a mobile expert editor that offers a mobile application management platform called Mobile Backend as a Service. The team also puts its expertise at the service of its customers by offering support services in the promotion, animation and reporting of apps.
Formation
Université Claude Bernard Lyon 1
Mobile Development License (Android
2016 - 2017
1 an 1 mois
IUT Lyon 1
University Diploma of Technology - DUT
2015 - 2016
1 an 1 mois
Université du Québec en Abitibi-Témiscamingue
License
2014 - 2015
1 an 1 mois
Université Lumière Lyon 2
License
2012 - 2014
2 ans 1 mois
Lycée Silvia Monfort
Baccalauréat
2009 - 2012
3 ans 1 mois
Portfolio

App. KMP - Développeur KMP

Lead Développeur Android

Lead Développeur Android
