Senior iOS Engineer – Large Scale App

About the role

We are looking for a senior iOS Engineer to join a high‑impact product team in France. You will work on a large‑scale iOS application used by millions, focusing on reliability, performance, and an exceptional user experience.

Key responsibilities

• Design, develop, and maintain production‑grade iOS applications using Swift, UIKit, and SwiftUI.
• Own features from concept through delivery, applying continuous delivery practices.
• Collaborate with backend engineers to integrate RESTful APIs and improve client‑server communication.
• Partner with product managers and designers to turn ideas into accessible, high‑quality mobile experiences.
• Write clean, maintainable, well‑tested code and contribute to unit and integration testing.
• Participate in code reviews, refactoring, and architectural discussions.
• Help define and evolve iOS development standards, patterns, and best practices.
• Mentor junior engineers and share technical knowledge.
• Engage in Agile ceremonies and proactively identify technical risks.

Required profile

• Several years of professional experience building iOS applications with Swift.
• Strong understanding of iOS architecture patterns such as MVC, MVVM, or VIPER.
• Proven ability to work independently while contributing to a collaborative, high‑performing team.
• Experience delivering features in a fast‑paced, production environment.

Required skills

• Swift
• UIKit
• SwiftUI
• iOS architecture patterns (MVC, MVVM, VIPER)
• RESTful API integration
• Unit and integration testing
• Agile development methodologies