About the Company

At FDJ UNITED, we don't just follow the game, we reinvent it. FDJ UNITED is one of Europe’s leading betting and gaming operators, with a vast portfolio of iconic brands and a reputation for technological excellence. With more than 5,000 employees and a presence in around fifteen regulated markets, the Group offers a diversified, responsible range of games, both under exclusive rights and open to competition. We set new standards, proving that entertainment and safety can go hand in hand. Here, you’ll work alongside a team of passionate individuals dedicated to delivering the best and safest entertaining experiences for our customers every day. We’re looking for bold people who are eager to succeed and ready to level-up the game. If you thrive on innovation, embrace challenges, and want to make a real impact at all levels, FDJ UNITED is your playing field. Join us in shaping the future of gaming. Are you ready to LEVEL-UP THE GAME? We're FDJ UNITED — a global, multicultural engineering organization with colleagues in Paris, London, Stockholm, Madrid, and beyond. With 40+ nationalities across our teams, we design and build the platforms, apps, and tools that power FDJ's products used by millions of players worldwide.

About the Role

Our Core Engineering Team is small but mighty: we create the frameworks and shared components that every FDJ iOS product relies on. The work you'll do here directly shapes how thousands of engineers and millions of users experience our apps.

Responsibilities

• Design, build, and maintain core iOS components used across multiple FDJ apps.
• Solve complex architectural challenges with scalability and performance in mind.
• Write modern SwiftUI components and leverage Swift Concurrency for smooth, efficient apps.
• Keep our codebase clean, maintainable, and well-tested with XCTest and Swift Testing.
• Take part in technical and architectural discussions that influence every FDJ iOS app.
• Continuously improve our developer experience, tooling, and engineering practices.

Qualifications

• Strong understanding of modularisation and dependency management.
• Passion for writing clean, maintainable, and testable code.
• Comfortable discussing architecture trade-offs and implementing solutions yourself.
• Proactive, collaborative, and fluent in English — you’ll work with teammates across multiple countries.

Required Skills

• Your work will shape every iOS app in the FDJ ecosystem.
• You’ll be part of an international, highly skilled team that values learning and collaboration.
• We embrace modern iOS development — no legacy Objective-C nightmares.
• You’ll help define the architectural direction for FDJ's entire iOS stack.

Ensure that you adhere to the Governance, Risk & Compliance (GRC) obligations for your role. Identify and raise any non-compliance incidents promptly to your line manager. Challenge processes, policies and projects that will negatively impact compliance within the Group. Complete all mandatory compliance training assigned to you. Reach out to the Compliance Teams if unsure of any of your compliance obligations or the requirements are unclear.