iOS-Entwickler:in

We are seeking a (Senior) iOS Developer to join our team, focusing on building the future of online

classifieds. In this role, you will be instrumental in continuously improving our iOS application and

SDKs, ensuring high code quality and maintainability. You'll be involved in the entire development

lifecycle, from architecture to QA and publishing, while driving your own ideas for process and

code enhancements. Collaborating closely with product and UX specialists, you will research,

prototype, and implement solutions to deliver an exceptional user experience.

Must have

• At least 3 years of professional iOS app development experience.

• Passion for iOS development, with a focus on writing beautiful, pragmatic code and an eye for

simplicity.

• Excellent knowledge and strong experience with the iOS platform fundamentals (e.g., UIKit,

Grand Central Dispatch (GCD), Automatic Reference Counting (ARC), Delegates).

• Excellent programming skills in Swift (and ideally Objective-C).

• Familiarity with modern Swift UI frameworks (e.g., SwiftUI).

• Familiarity with dependency management tools such as CocoaPods, Carthage, or Swift

Package Manager.

• Deep understanding of architectural patterns for iOS projects (e.g., MVVM, VIPER, Clean

Architecture).

• Proven experience in building test-driven mobile environments, including experience with

testing frameworks like Quick/Nimble and UITests.

• Demonstrable real-life references or open-source projects (e.g., GitHub, Bitbucket, or

StackOverflow contributions).

• Effective written and spoken communication skills in English.

Nice to have:

• Experience with build automation and CI/CD tools like Fastlane.

• Knowledge of reactive programming frameworks (e.g., Combine, RxSwift).

• Understanding of mobile performance optimization and battery efficiency best practices.

• Familiarity with mobile analytics and crash reporting tools (e.g., Firebase Analytics, Crashlytics).

• Prior experience in e-commerce, classifieds, or large-scale consumer mobile applications.

• Experience with A/B testing frameworks for mobile.

• Experience working with a multicultural team.

Project Description

This project focuses on the development of features designed to boost vibrancy and engagement

on the Kleinanzeigen e-commerce platform. Key features will be developed within the Consumerto-

Consumer (C2C) area, with a strong focus on vital parts of the user journey, including:

• Homepage

• Search

• Ad Insertion

Additionally, a significant focus will be placed on Accessibility improvements across the platform.