Freelance mobile app developer Android iOS

Freelance mobile app developer for Android and iOS, specialized in native mobile app development. Versatile and efficient, I create quality Android and iOS apps and at a competitive price. Contact me for a free quote!

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Mobile app development skills

Native development

I use Swift languages on iOS and Kotlin / Java on Android. I work on IDE Xcode and Android Studio.

  • Swift
  • Xcode
  • Kotlin
  • Java
  • Android Studio

Exchange with Server

I mainly work with REST APIs on mobile but I also know how to communicate with SOAP webservices to reuse architectures already in place.

  • Alamofire
  • SwiffyJson
  • RetroFit 2
  • Volley
  • GSON
  • SOAP

Software Architecture

I use the MVVM design pattern rather than MVC and when the view is ready I use RxSwift or RxJava.
I work with Core Data on iOS and Room on Android to record and access data locally.

  • MVVM
  • MVC
  • RxSwift
  • RxJava
  • Core Data
  • Room


I’m using Flurry to understand the user’s behavior in the application and Crashlytics for bug reporting. Of course I can adapt to the platforms you already use.

  • Flurry
  • Crashlytics


I use git from the command line and respect the Gitflow workflow. Of course I can adapt to your versioning conventions.
I also know SVN.

  • Git
  • Gitflow
  • SVN


I deploy the production app on Google Play or iTunes and I also deploy for tests on Google Play for internal testing or TestFlight.

  • iTunes
  • TestFlight
  • Google Play

App linking

I associate an application to an url with Universal Link on iOS and App Linking on Android.
I know the Branch API which allows you to make cross-platform links.

  • Universal Link
  • Deep Linking
  • App Linking
  • Branch API


I implement mobile notifications on Android and iOS with the Firebase Cloud Messaging API. I can also create local notifications.

  • Firebase Cloud Messaging

Benefits of Freelance mobile app developer

Reasons to work with me
Versatile mobile app developer

Versatile developer

My main strength lies in my ability to work on both iOS and Android, which gives me an overview of mobile front-end development.
I have done a variety of missions that also bring me a great experience that I can contribute to your projects.

Competitive price

Residing abroad, this allows me to offer you more competitive prices than developers with equal skills residing in France.

Native mobile app developer

Native mobile app

Also I develop in native mobile languages (Swift on iOS, Kotlin / Java on Android), my apps are more powerful and easier to maintain than a hybrid app, the value of my work is sustainable over time.

Mobile development expertise

How can I help you?

Create new Android / iOS mobile application

Update existing Android / iOS mobile app features

Bug fixes on mobile apps

Replication of Android mobile applications to iOS (or vice versa)

Audit of mobile applications

Publishing on app Store

Advice on UI/UX design of application

Recent work on Mobile app development

Some of the recent projects I worked on


teepic is a mobile application that allows you to share recommendations with your friends. The app rethinks how to make a recommendation for a more transparent model for the user and fairer for professionals.


Kraze allows you to see at a glance all the current and upcoming electronic events in Paris and its near suburbs as well as register for the events and win free seats!

Kraze application mobile

EXPERIENCES as mobile app developer

I’m a freelance mobile app developer Android and iOS with 4 years of experience.

After my Master’s degree in Computer Science, I worked for Startups and large companies on wide variety of mobile apps development projects on both Android and iOS.

I work remotely since 2 years and I appreciate the freedom and the responsibility this gives me.

Charles Etieve - Développeur mobile Android & iOS natif Freelance

Looking for a mobile app developer for your project?

Contact me
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