N-iX is seeking a Middle iOS Engineer for their Lviv office. Responsibilities include designing, building, and maintaining efficient, reusable, and reliable iOS code; identifying and solving UI problems and bugs; making strategic technical decisions; maintaining code quality; refactoring existing code; guiding team development; suggesting product improvements; conducting design and code reviews. The ideal candidate possesses at least 4 years of iOS development experience, strong Swift skills, familiarity with MVVM and Coordinator design patterns, and experience with Xcode, debugging, and profiling tools. Experience with BLE, OTA, SwiftUI, UIKit, Core Bluetooth, AutoLayout, Storyboards, Xibs, dependency managers (CocoaPods, SPM), concurrency (GCD, Combine), Git, continuous integration, and application distribution is preferred. Strong communication skills and an Agile mindset are essential.