We are looking for an experienced Senior iOS Developer to join our client’s team. In this role, you will be responsible for developing and maintaining a library that enables the integration of customer engagement features into mobile applications.Our client builds AI-driven solutions that support marketers in analyzing digital and mobile marketing data. The project focuses on a cloud-based platform that helps marketing teams manage campaigns, send emails and push notifications, and collect user location and behavioral data for campaign optimization.Responsibilities: Design, develop, and maintain the iOS SDK using Swift and Objective-C Ensure clean architecture, high performance, and code quality Keep the library up to date with the latest iOS standards Collaborate with product and engineering teams to integrate SDK components Requirements: 5+ years of experience in iOS app development Strong proficiency in Swift and Objective-C Hands-on experience with XCTest and dependency managers (Cocoapods) Familiarity with CI/CD environments Nice to have: experience with Android SDK, Flutter, or React Native What we offer: Flexible working model – remote or hybrid from Gdańsk Permanent employment contract directly with the client A comprehensive benefits package, including: private medical care, life insurance, Multisport card