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Deutsche Telekom Digital Labs

Posted 27 Aug 2026

Lead iOS Developer

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Employment
Full time
Team
Software Engineering
Posted
27 Aug 2026

About the role

We are looking for a highly skilled and experienced Lead iOS Developer with 9+ years of hands-on experience in building scalable, high-performance iOS applications. The ideal candidate should possess deep expertise in Swift, MVVM/MVP/VIPER architecture patterns, and modern iOS development practices. As a Lead iOS Developer, you will be responsible for leading mobile initiatives, mentoring developers, architecting robust applications, collaborating with cross-functional teams, and driving technical excellence across projects.


Responsibilities:

  • Lead the design, development, and maintenance of complex iOS applications.
  • Architect scalable and maintainable mobile solutions using MVVM, MVP, and VIPER patterns.
  • Collaborate with Product Managers, UI/UX Designers, Backend teams, and QA teams to deliver high-quality products.
  • Drive technical decisions, code reviews, and best engineering practices.
  • Mentor and guide junior and mid-level developers.
  • Optimise applications for maximum performance, scalability, and responsiveness.
  • Integrate RESTful APIs, third-party SDKs, and cloud-based services.
  • Ensure application quality through unit testing, UI testing, and CI/CD pipelines.
  • Troubleshoot production issues and provide timely resolutions.
  • Stay updated with the latest iOS trends, frameworks, and Apple guidelines.


Requirements:

  • 9+ years of professional experience in iOS application development.
  • Strong expertise in Swift and iOS SDK.
  • Solid experience with: MVVM Architecture, MVP Architecture, VIPER Architecture
  • Deep understanding of UIKit and SwiftUI.
  • Experience with dependency injection and modular architecture.
  • Strong knowledge of: Auto Layout, Multithreading, Memory Management, Networking, and Data Persistence.
  • Hands-on experience with: REST APIs, JSON parsing, Push Notifications, Background Tasks, App Store deployment.
  • Experience with Combine, GCD, and async/await.
  • Familiarity with Core Data, Realm, or SQLite.
  • Experience integrating Firebase or analytics frameworks.
  • Strong understanding of Git and branching strategies.
  • Experience with CI/CD tools such as Jenkins, Bitrise, or GitHub Actions.
  • Knowledge of Agile/Scrum methodologies.
  • Bachelor's/Master's degree in Computer Science, Engineering, or related field.


Preferred Qualifications:

  • Experience leading teams of iOS developers.
  • Exposure to Clean Architecture and modular app development.
  • Experience in performance optimisation and app security.
  • Familiarity with Fastlane and automated release pipelines.
  • Knowledge of accessibility and Apple Human Interface Guidelines.
  • Experience working on enterprise-scale or consumer-facing applications.


Soft Skills:

  • Strong leadership and mentoring abilities.
  • Excellent communication and stakeholder management skills.
  • Problem-solving mindset with attention to detail.
  • Ability to work independently and collaboratively in fast-paced environments.


Nice to Have:

  • Experience with cross-platform frameworks is a plus.
  • Exposure to AI-enabled mobile applications.
  • Published apps on the App Store.

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