Ismael Di Martino

Senior Android Engineer

Salary / Daily rate

Paris, France

Freelance

Remote only

Skills

AndroidKotlinClean ArchitectureMobile Development

Languages

English (Native)French (Native)Spanish

About me

Intro

Passionné par le développement d'applications Android, j'accompagne mes clients dans la création de solutions performantes, modernes et adaptées à leurs besoins. Avec 12 ans d'expérience, je maîtrise l'écosystème Android et les dernières technologies pour offrir des produits de qualité.

Links

Work experience

Senior Android Developer

MAIAFreelance

Oct 2024 - Jan 2025

4 months

Remote

At MAIA, I developed an intuitive and powerful Android application using Jetpack Compose to calculate personalized astrological birth charts, supporting their therapy and astrology school’s mission to guide personal development. ✅ Key Achievements: Developed the Android application in Kotlin, leveraging Jetpack Compose for building modern, responsive, and declarative user interfaces. Designed and implemented the astrological birth chart calculation system, ensuring accurate and real-time results. Streamlined the user experience by creating intuitive workflows for chart generation and detailed exploration of astrological data. Applied MVVM architecture and Clean Architecture principles (SOLID) to ensure maintainability and scalability. ✅ Technical Skills: ➢ Kotlin, Jetpack Compose, MVVM architecture, Clean Architecture, SOLID. 🚀 Impact: The application empowered students and users by providing an accessible and efficient tool for generating birth charts, enhancing the school’s offerings and expanding its reach.

Senior Android Engineer

MY JUNGLYFreelance

Dec 2021 - Aug 2023

1 year 9 months

Remote, OR 97458, USA

At MyJungly, I contributed to the creation of Delupay, an intuitive and secure mobile application designed to simplify daily financial management and payments. ✅ Key Achievements: Developed the Android application in Kotlin, adhering to an MVVM architecture and Clean Architecture principles (SOLID). Implemented a seamless onboarding process and advanced user account management. Designed a system for instant payments via QR codes. Enhanced user experience through modern and intuitive interfaces. ✅ Technical Skills: ➢ Kotlin, ViewModel, Navigation Component, MVVM architecture, Clean Architecture, SOLID. 🚀 Impact: The application significantly improved the simplicity and speed of payments while delivering an exceptional user experience.

Lead Android Engineer

NavweiFreelance

Jul 2021 - Dec 2021

6 months

Remote, OR 97458, USA

At Navwei, I worked on enhancing and updating the Android application designed to simplify navigation in complex spaces such as shopping malls and airports. ✅ Key Achievements: Optimized the user interface for more intuitive and seamless navigation. Managed and secured user accounts. Integrated and customized MapBox to provide interactive maps and optimized routing. ✅ Technical Skills: ➢ Kotlin, MVVM, Coroutine, LiveData, Hilt, Clean Architecture. 🚀 Impact: Significantly improved user experience with more precise routing and a modernized interface.

Crypto Trading

Self-employed

Aug 2020 - Jan 2021

6 months

Remote, OR 97458, USA

I designed and developed an Android application for cryptocurrency management and tracking, delivering a seamless and secure user experience for crypto enthusiasts. ✅ Key Achievements: Implemented real-time cryptocurrency price tracking features using REST APIs. Managed user accounts with advanced security measures. Designed and optimized the user interface for a modern and intuitive experience. Established a Clean Architecture with MVVM, Hilt, and Coroutines. ✅ Technical Skills: ➢ Kotlin, Retrofit, LiveData, Coroutine, Hilt, Clean Architecture, Material Design. 🚀 Impact: A high-performance, well-structured application enabling users to easily monitor and manage their crypto portfolios.

Android Engineer

KardFreelance

Aug 2019 - May 2020

10 months

Remote, OR 97458, USA

At Kard, I played a key role in developing an innovative Android application aimed at simplifying personal finance management and delivering a modern banking experience. ✅ Key Achievements: Implemented user account creation and management functionalities. Developed features for managing bank cards, top-ups, transfers, and transaction tracking. Integrated advanced contact management and social interaction features. Added modern animations for a seamless and engaging user interface. Designed and structured the application following Clean Architecture principles. ✅ Technical Skills: ➢ Kotlin, MVVM, Coroutines, Hilt, Clean Architecture, Material Design. 🚀 Impact: The application streamlined banking management and enhanced social interactions, offering users a modern and intuitive experience.

Lead Android Developer

CoorganizFreelance

Feb 2018 - Mar 2019

1 year 2 months

Freelance · Remote

At Coorganiz, I contributed to the development and redesign of the Android application, focused on managing and coordinating tasks, appointments, and collaborative projects. ✅ Key Achievements: Developed calendar features (weekly, daily, and organizational views) and event management functionalities. Created a dashboard consolidating tasks, calendar, and shared documents. Fully revamped the application, including the toolbar, onboarding process, Signup/Login flow, and web services. Implemented a Freemium model to expand user offerings. Updated the Android app with the latest features and best practices. ✅ Technical Skills: ➢ Kotlin, MVC/MVVP Architecture, Android Jetpack, Retrofit, Material Design. 🚀 Impact: Modernized the application to deliver a seamless user experience with enhanced collaborative features and improved event and document management.

Androir Developer

MyMovieUPFreelance

Nov 2017 - Dec 2017

2 months

Remote, OR 97458, USA

Chez MyMovieUp, j’ai contribué au développement d’une application mobile dédiée à la gestion et à la découverte de films. Mon travail a consisté à : ✅ Réalisations principales : Concevoir des interfaces intuitives pour améliorer l’expérience utilisateur. Implémenter des fonctionnalités clés comme la gestion de listes de films personnalisées et un moteur de recherche avancé. Intégrer des API REST pour afficher des données en temps réel. ✅ Compétences techniques : ➢ Kotlin, Android Jetpack (ViewModel, LiveData, Navigation, Room), Retrofit, Firebase. Architecture MVVM, tests unitaires, optimisation des performances. 🚀 Impact : Augmentation de l’engagement utilisateur, amélioration des performances globales de l’application, et réduction significative des crashs.

Android Developer

Mobstock

Aug 2017 - Oct 2017

3 months

Région de Paris, France

Chez Mobstock, j’ai participé au développement de l’application Business Table, dédiée à la gestion des réservations et à la communication entre les utilisateurs. ✅ Réalisations principales : Mise en place d’une messagerie instantanée pour faciliter la communication entre utilisateurs. Développement d’une fonctionnalité de gestion de liste de bookings. Mise en œuvre de l’architecture MVVM, Dagger pour l’injection de dépendances, et Clean Architecture pour garantir un code maintenable et scalable. ✅ Compétences techniques : ➢ Kotlin, MVVM, Dagger, Clean Architecture. 🚀 Impact : Amélioration de l’interactivité de l’application et optimisation de la gestion des réservations, tout en garantissant une architecture robuste et évolutive.

Android Developer

ikomobi - Mobile Native AgencyFreelance

Nov 2016 - Mar 2017

5 months

Remote, OR 97458, USA

At Ikomobi, I worked on updating and optimizing Android applications for several major clients, including AuchanDrive, AuchanDirect, Acticall, and Toupargel. ✅ Main Achievements: Updated and improved product views for a smoother and more visual user experience. Optimized the local database to ensure improved performance and efficient offline data management. Developed in Java using the MVP architecture for clear separation of responsibilities. ✅ Technical Skills: ➢ Java, MVP, RxJava, local database management. 🚀 Impact: Improved app performance, with more interactive product interfaces and optimized data management.

Android Developer

Le Bonbon

Oct 2016 - Dec 2016

3 months

Freelance

Update of the app "Les Tops - Lebonbon.fr" ➢ Update of the database, GreenDao, feed and cache system ➢ Google map & Geolocalization ➢ Adserver

Android Engineer

Buzzenville

Jun 2016 - Jul 2016

2 months

Chez Buzzzenville, j’ai participé au développement d’une application Android innovante, visant à transformer la découverte et l’exploration des villes en une expérience unique et interactive. ✅ Réalisations principales : Création d’une interface utilisateur interactive et immersive pour explorer les villes de manière innovante. Intégration de fonctionnalités avancées de géolocalisation et de cartographie pour une navigation fluide et précise. Optimisation de l’expérience utilisateur pour rendre la découverte des lieux et événements en ville plus engageante et accessible. ✅ Compétences techniques : ➢ Java, Sdk Map, cartographie, interface interactive, optimisation des performances. 🚀 Impact : Amélioration de l’expérience utilisateur en offrant une navigation intuitive et immersive, augmentant l’engagement des utilisateurs avec des contenus personnalisés et géolocalisés.

Android Engineer / SYMFONY2

bsoft.fr

Feb 2015 - Mar 2016

1 year 2 months

Région de Lyon, France

Chez Bsoft.fr, j’ai participé au développement de l’application Salescommunity pour Bioderma, inspirée du concept d’Instagram, permettant aux utilisateurs d'envoyer des posts et de consulter des flux personnalisés. ✅ Réalisations principales : Développement d’une application Android utilisant Material Design pour une interface moderne et fluide. Implémentation d’une fonctionnalité de partage de messages et de photos, avec affichage des flux en fonction des catégories. Gestion des différents types de comptes utilisateurs, des favoris, et des webservices pour assurer une synchronisation fluide. ✅ Compétences techniques : ➢ Kotlin, Material Design, gestion des comptes et des photos, webservices. 🚀 Impact : Amélioration de l’expérience utilisateur avec une application fluide, moderne et bien intégrée, répondant aux besoins de Bioderma en matière de gestion de contenu et de comptes utilisateurs.


Education

SUPINFO

Master en informatique

2012 - 2015

3 years 2 months

EPITECH - European Institute of Technology

BAC+2

2010 - 2012

2 years 2 months

Portfolio

Delupay

The best place to find your next move

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