iOS Developer

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 Smile in Brussels and take part in projects that truly matter

As an iOS Developer

You Are The Creator Of Smooth And Intuitive Mobile Experiences Within Our Mobile Expertise Hub In Our Vibrant Brussels Agency, Your Mission Is To Design And Develop Innovative, High-performance, And User-centric IOS Applications. On a Daily Basis, You Will

• Design and develop robust native applications for the Apple ecosystem (iPhone, iPad) using primarily Swift (and potentially Objective-C for maintenance).
• Collaborate closely with UI/UX designers, Product Owners, and backend developers to seamlessly integrate RESTful APIs and deliver the best possible user experience.
• Guarantee code quality and stability by writing automated tests (unit and UI) and actively participating in peer Code Reviews.
• Optimize application performance, identify bottlenecks, and resolve bugs to ensure perfect fluidity with every user interaction.
• Deploy and maintain applications on the App Store, mastering the publication processes and continuous integration tools (CI/CD, Fastlane).
• Ensure a continuous technological watch on the latest iOS ecosystem updates (SwiftUI, Combine, new Apple frameworks) to proactively propose modern 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 iOS mobile development.

• You perfectly master Swift and possess a solid understanding of fundamental iOS frameworks (Foundation, UIKit, and ideally SwiftUI).
• You are highly comfortable with modern mobile software architectures (MVVM, VIPER, Clean Architecture) and version control tools like Git.
• You have a strong sensitivity for UI/UX design and ergonomics, with a drive to build "pixel-perfect" interfaces that strictly respect Apple's Human Interface 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.

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.