iOS Developer (Permanent contract or Freelance)

Smile; Sint-Pieters-Woluwe; Sur place; EUR 55 000 - 75 000; Plein temps

Résumé du poste

Smile, a European leader in open-source integration, is seeking an experienced iOS Developer in Brussels to design and build high-performance, user-centric apps. You will collaborate with cross-functional teams, ensure code quality through tests, and contribute to CI/CD workflows while staying ahead of iOS developments.

The role requires 3+ years in native iOS, strong Swift experience, and English fluency; French or Dutch is a plus in Brussels.

Qualifications

• 3+ years' hands-on experience in native iOS development.
• Strong Swift, UIKit, and SwiftUI knowledge.
• English fluency; French or Dutch a plus in Brussels.

Responsabilités

• Design and develop native iOS apps using Swift.
• Collaborate with UI/UX designers, PO, and backend to integrate RESTful APIs.
• Write unit and UI tests and participate in code reviews.
• Optimize performance and fix bugs for a flawless user experience.
• Deploy to the App Store and manage CI/CD/ Fastlane.
• Stay updated on iOS ecosystem and propose modern solutions.

Connaissances

Swift

UIKit

SwiftUI

MVVM

VIPER

Git

UI/UX design

English

French/Dutch

Formation

Degree in IT / software engineering / CS

Outils

Fastlane

CI/CD

Description du poste

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.