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Android Developer (Permanent contract or Freelance)

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Onsite

Android Developer (Permanent contract or Freelance)

Smile

Android Developer (Permanent contract or Freelance)

Skills

KotlinAndroidJavaE-LearningExpressGit

1 month ago

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Important information


Contract type:

Other

Location:

Woluwe-Saint-Pierre, Belgium

Work mode:

Onsite

Published on:

23 September 2026

What they need


Passionate about tech, digital, and innovation? Join the 1,800 employees at Smile, the European leader in open-source integration, spread across 20 agencies in 9 countries. Collaborative spirit and knowledge sharing are at the heart of our DNA. Our experts push the boundaries of open source every day to build a smarter, more efficient, and more responsible digital world. Here, we don't just follow trends, we create them! 🌟 Join Smile in Brussels and take part in projects that truly matter! 🏆

As an Android Developer... You Are The Creator Of Fluid And Innovative Mobile Experiences On The World's Most Widely Used Operating System! Within Our Mobile Expertise Hub In Our Vibrant Brussels Agency, Your Mission Is To Design And Develop Robust, High-performance, And User-centric Android Applications. On a Daily Basis, You Will

  • Design and develop top-tier native Android applications using primarily Kotlin (and potentially Java for legacy maintenance).
  • Collaborate closely with UI/UX designers, Product Owners, and backend developers to seamlessly integrate RESTful APIs and deliver an outstanding user experience.
  • Guarantee code quality and stability by writing automated tests (unit and UI) and actively participating in rigorous peer Code Reviews.
  • Optimize application performance, handle memory management efficiently, and resolve bugs to ensure a flawless experience across a wide range of devices and screen sizes.
  • Deploy and maintain applications on the Google Play Store, mastering continuous integration and delivery tools (CI/CD, Bitrise, Fastlane).
  • Ensure a continuous technological watch on the latest Android ecosystem updates (Jetpack Compose, Kotlin Coroutines, new Google guidelines) to proactively propose cutting-edge solutions to our clients.

Your profile Holding a degree in IT, software engineering, or computer science, you have at least 3 years of successful hands-on experience in native Android mobile development.

  • You perfectly master Kotlin and possess a solid understanding of the Android SDK and modern Android development practices (Android Jetpack components, and ideally Jetpack Compose).
  • You are highly comfortable with modern mobile software architectures (MVVM, Clean Architecture, MVI) and version control tools like Git.
  • You have a strong sensitivity for UI/UX design and ergonomics, ensuring your interfaces strictly adhere to Google's Material Design guidelines.
  • Endowed with an excellent team spirit, you are curious, rigorous, and love sharing your technical discoveries with your peers.
  • Knowledge of Agile/Scrum methodologies, a passion for innovation, and fluency in English (French or Dutch is a major asset in Brussels) make you the ideal candidate for our international context.

Ready to take on a new challenge in the heart of Europe? Come and express your talent in a caring environment at Smile Brussels where your ideas will make a real impact!

Why Smile! 😊 Our proximity management by peers fosters dialogue and the implementation of a tailored career path.

Because the digital sector is in constant motion, Smile is committed to making you an expert in your field , thanks to a comprehensive training offer: access to an e-learning platform, financing of certifications, knowledge-sharing tools...

Your year will be animated by group and agency events : annual convention, participation in trade fairs, summer party, formal & informal afterworks.

The next steps 🚀

  • First contact: A phone call to discuss your aspirations and what we can offer you.
  • Meeting: An opportunity to get to know each other and explore your professional background.
  • Business interview: A discussion with one of our experts to assess your skills and define your goals.

Welcome to the team! And if it's a match between us, we will be delighted to welcome you for an exciting adventure. So, ready to join the team? 😉

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