Senior iOS Engineer

We are looking for a Senior iOS Engineer to join our team in Poland. 

Our customer is an American global commerce leader based in California, one of the most popular and successful e-commerce websites on the Internet. It provides inspiring services by connecting millions of users in more than 190 markets around the world.

Main Responsibilities:

• Design, build, and maintain efficient, reusable, and reliable code


• Communicate with multi-functional teams to streamline the workflow


• Suggest technical and functional improvements to add value to the product


• Conduct design reviews and code reviews to maintain high quality


• Identify UI problems and bugs and devise efficient solutions

Requirements:

• 5+ years of commercial iOS development


• Proven ability to deliver and maintain production-grade iOS applications


• Strong problem-solving skills and understanding of modern iOS development practices


• Excellent knowledge of Swift, SwiftUI, and UIKit


• Solid understanding of modern iOS architectures (MVVM, TCA, VIPER)


• Hands-on knowledge of Combine and reactive programming


• Good understanding of Swift structured concurrency (async/await)


• Working knowledge of RESTful APIs and GraphQL


• Strong skills in building adaptive and high-quality user interfaces


• Familiarity with iOS dependency management tools (SPM, CocoaPods, Carthage)


• Familiarity with CI/CD tools and pipelines 

Nice to Have:

• Knowledge of large-scale or high-traffic consumer mobile applications


• Familiarity with performance monitoring, profiling, and optimization of iOS apps


• Knowledge of designing and maintaining shared, modularized codebases


• Familiarity with building and maintaining internal frameworks, libraries, or SDKs


• Exposure to E2E testing strategies and improving test reliability