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Technologies-expected : i OS Swift Git Objective-C Xcode technologies-optional : Jenkins Git Lab Bitrise about-project : We are seeking an experienced i OS Developer to maintain and enhance legacy i OS applications. The ideal candidate will have a deep understanding of older i OS frameworks and be adept at updating and optimizing legacy code while ensuring compatibility with newer i OS versions. This role involves working on existing applications to improve performance, fix bugs, and implement new features. This role is an excellent opportunity for developers who enjoy working with legacy systems and ensuring their smooth operation in modern environments. If you thrive on solving complex challenges and maintaining critical applications, we encourage you to apply. MD rate: 200 - 240 EUR responsibilities : Maintain and enhance legacy i OS applications built with older Objective-C or early Swift versions. Ensure compatibility of legacy applications with the latest i OS versions and devices. Refactor and optimize existing code to improve performance and maintainability. Identify and resolve bugs and performance bottlenecks in legacy systems. Collaborate with cross-functional teams to integrate modern features into legacy applications. Update third-party libraries and frameworks to their latest versions while ensuring system stability. Document changes made to legacy systems to support long-term maintenance. Work with QA to perform regression testing and ensure application reliability. requirements-expected : Strong proficiency in Objective-C and early versions of Swift. Experience with legacy i OS SDKs and frameworks. Solid understanding of Xcode and Interface Builder for maintaining older projects. Familiarity with Core Data, Core Graphics, and other foundational i OS frameworks. Experience with debugging and performance tuning of legacy i OS applications. Proficiency in using Git for version control. Ability to analyze and update deprecated APIs. Strong problem-solving skills and attention to detail. benefits : remote work opportunities