Freelancer profile translated to English.

Description

Senior iOS Engineer freelance with over 10 years of experience in developing high-traffic mobile applications, used by millions of users worldwide.

I have worked on consumer applications at BeReal, Warner Bros. Discovery, Withings, Netatmo, and Betclic.

At BeReal, I work on an application used by over 40M monthly active users.

At Warner Bros Discovery, I participated in the architecture redesign of the Eurosport, TNT Sports, and Bleacher Report apps, notably during the Paris 2024 Olympics with over 1M daily active users.

At Betclic, I worked on securing the player account (2FA, Passkeys/WebAuthn, hCaptcha) on the leading sports betting application in France, Portugal, Poland, and Ivory Coast.

I work on:

• modern SwiftUI/UIKit applications

• iOS architecture refactors

• performance issues and complex debugging

• Bluetooth / IoT connected applications

• mobile security and authentication topics

I also use modern AI tools daily to accelerate development, prototyping, and software quality: Claude Code, Codex, Cursor, AI agents, and automation workflows.

Expertise:

• Swift, SwiftUI, UIKit

• MVVM, Clean Architecture, SPM modularization

• async-await, Combine, RxSwift

• Passkeys, WebAuthn, AuthenticationServices

• GraphQL, REST, gRPC, WebSocket

• CI/CD (Fastlane, Bitrise, Gitlab CI)

• Unit tests and software quality

What I bring:

• complete autonomy on an iOS project

• strong product and UX culture

• ability to intervene quickly on a complex codebase

• technical support and mentoring

• experience with apps used by millions of users

Available for iOS development, mobile architecture, technical lead, or senior SwiftUI/UIKit reinforcement missions.

Industry field of expertise

Languages

English
Native or bilingual
French
Native or bilingual
Vietnamese
Basic
Chinese
Basic

Workplace preferences

Can work on-site

Paris (up to 50km), Bordeaux (up to 50km), Lille (up to 50km), Lyon (up to 50km)

Betclic
iOS Software Engineer
SPORTS
June 2025 - Today (1 year)
Bordeaux, France
Development on the Betclic iOS app, number one in sports betting in France.
Development of new features for the 2026 Football World Cup, app security (Passkey, MFA) and player account management.
ios Mobile Application Swift SwiftUI
BeReal
iOS Software Engineer
SOCIAL NETWORKS
March 2025 - June 2025 (3 months)
Paris, France
Working on BeReal iOS app.
• Swift 6, SwiftUI, async await, MVVM
• 40M monthly active users, multiple times app of the day in Japan, Europe, US. Top
10 social media app in multiple countries.
• PoC on new use cases (dating, meeting new friends, nearby etc.)
• gRPC
• Amplitude experiments and AB testing
ios Swift Mobile Application SwiftUI
Warner Bros
iOS Software Engineer
ENTERTAINMENT AND LEISURE
January 2023 - February 2025 (2 years and 1 month)
Paris, France
Working on Eurosport/TNT Sports and Bleacher Report iOS app.
• Migrated the old app to a new architecture: Swift 6, MVVM, structured concurrency
• Official partner of the Paris Olympics 2024, full app experience with replays, medals,
widgets, favourites etc. 1M+ active users per day during the Olympics.
• Developed a brand new app for TNT Sports (UK market)
• Rework of Bleacher Report in SwiftUI (US market)
• Micro-architecture with SPM
• GraphQL
SwiftUI GraphQL ios Swift