Freelancer profile translated to English.

Description

Does your iOS application need a quality upgrade? Are you migrating to SwiftUI? Are you looking for a senior iOS developer who can quickly integrate into your team and deliver measurable results?

I'm Hedi, a freelance iOS developer with12+ years of experienceon applications used by **millions of users**.

Concrete results from my latest missions

Decathlon:SPM modular architecture, Bluetooth LE integration, connected cycling app (200K+ users)
France Télévisions:SwiftUI migration, +15% DAU improvement, 2% crash rate reduction, 40% faster builds
TF1 / MYTF1:5M+ user app, internal SDK development, technical lead for the iOS team

Languages & Frameworks:Swift, SwiftUI, UIKit, Combine, Async/Await

Architecture:MVVM, Clean Architecture, modular architecture (SPM), SOLID

Tools:Xcode, Git, Bitrise, Fastlane, CI/CD, CocoaPods, Swift Package Manager

Specialties:SwiftUI Migration, performance optimization, Bluetooth LE, high-audience consumer apps

How I work

I integrate quickly into your existing teams, remotely or hybrid. Rigorous about code quality, testing, and maintainability, I adapt to your existing architecture while proposing concrete improvements.

I am available for missions, on a time & materials or fixed-price basis.

Contact me to discuss your project.

Industry field of expertise

Languages

French
Native or bilingual
English
Fluent
Arabic
Native or bilingual

Workplace preferences

Can work on-site

Paris (up to 50km), Lyon (up to 50km), Marseille (up to 50km), Montpellier (up to 50km), Toulouse (up to 50km)

DECATHLON
Senior iOS Developer Consultant - Gear Track
September 2024 - February 2026 (1 year and 5 months)
Lille, France
Key achievements:
Architecture from scratch: design and
Impact:
Application delivered to production on time with 0 blocking bugs
Modular architecture adopted as the standard for future Decathlon iOS projects
New developer onboarding time reduced by 50% thanks to documentation and modularity
Reusable code: 3 modules shared between projects
Swift SwiftUI Combine async await Modular Architecture
DECATHLON
Senior iOS Developer Consultant - RIDE
October 2023 - August 2024 (10 months)
Lille, France
Role & contributions:
Contribution to application evolution
Integration and maintenance of the connected bike ecosystem via Bluetooth (BLE)
Improvement of tracking performance and real-time views (connected cyclist dashboard)
Optimization of background services (long session management, battery saving)
Implementation of premium features (subscription, navigation)
Coordination with product, UX, QA, and cloud teams (Agile environment)

Tech: Swift, RxSwift, RxCocoa, MVVM-C, Modular Firebase, Bitrise, Feature Flags, Phrase, Amplitude
SwiftUI Swift iOS SwiftUI Migration Swift Package Manager (SPM)
France Télévisions
Senior iOS Developer - France Info App
August 2022 - September 2023 (1 year and 1 month)
Paris, France
Key achievements:
Progressive UIKit -> SwiftUI migration of "Headlines" and "Live" sections
Implementation of a modular SPM architecture -> 40% reduction in build times
UIKit/SwiftUI cohabitation via bridges without disrupting user experience
Jenkins + Fastlane CI/CD pipeline with >80% test coverage
Systematic code reviews and contribution to team guidelines
Mentoring junior developers on SwiftUI adoption and best practices
SwiftUI UIKit Swift Consumer Application iOS Performance Optimization