About Charles
iOS Developer | Double Winner Apple Swift Student Challenge
- from scratch design to App Store release.
- transitioning from UIKit to SwiftUI.
- architecture updates.
- evolution of existing products.
- stabilization of production code.
French
Native or bilingual
English
Fluent
Experience
- PradeoSoftware Engineer — Mobile Defense & SecuritySOFTWARE PUBLISHINGJuly 2025 - December 2025 (5 months)Montpellier, FrancePradeo is aleader in mobile security(Mobile Threat Defense). I worked on their flagship mobile fleet protection solution: Pradeo Security.My responsibilities:*Technological Migration:Led the architectural transition of the Pradeo Security solution from UIKit to SwiftUI, ensuring a modern and scalable codebase.*Defense Project:Redesigned a secure application store for the **French Army**.*Network Security:Improved a real-time detection system for Man-in-the-Middle (MITM) attacks to ensure data flow integrity.Technical Context:
- SwiftUI / UIKit
- Mobile Security & Cryptography
- Network Analysis (MITM detection)
- CI/CD & Xcode
- AppleApple Swift Student Challenge — Double Global WinnerTECHFebruary 2024 - February 2025 (1 year)Competition organized by Applerewarding the world's best developers for their technical excellence and creativity.Awarded Projects:*2025 - KARA (Health Record):Medical tracking application focused on privacy. Development of an end-to-end secure cloud synchronization architecture for sensitive data and complex multi-profile management.*2024 - Hands-free Chess:Chess game entirely voice-controlled for visually impaired individuals. Integration of an "on-device" voice recognition AI model for optimal responsiveness without an internet connection.Technical Context:
- SwiftUI, SwiftData, Core ML (AI)
- Accessibility & Voice Control
- CloudKit (Secure Sync)
- ENIBLead Mobile Developer — Treasure HuntSOFTWARE PUBLISHINGApril 2024 - May 2024 (1 month)Brest, FranceDevelopment of an interactive treasure hunt platform for a large-scale student event.My responsibilities:*Cross-Platform Architecture:Design and development of native iOS (SwiftUI) and Android (Kotlin) applications.*Performance:Implementation of a QR code scanning system and a real-time winner determination system (1000+ simultaneous users).*Backend:Integration of Firebase for leaderboard management and live synchronization.Technical Context:
- SwiftUI / Kotlin
- Firebase (Realtime DB & Auth)
- QR Code API
Recommendations
Be the first to recommend Charles
Help this freelancer shine by sharing your experience working together.
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- Computer Engineering, MechatronicsENIB