Personal Skills
- ⛹️ Team Player
- 💪 Work commitment
- 🤓 Open for constructive feedback and willing to learn
- 🗂️ Organizational Skills
- 🎯 Attention to Detail
- 🕖 Excellent time management
Languages
- 🇬🇧 Proficient (C1)
- 🇩🇪 Proficient (C1)
- 🇬🇷 Mother Tongue
Technical Skills
- 🌱 Experience (13 years)iOS, macOS (strong knowledge) tvOS, watchOS (basic)
- 🔄 Cross-PlatformXamarin (iOS, Android), Kotlin-Mutliplatform
- 💻 Programming LanguagesSwift (7 years), Objective-C (5 years), C# (2 years), Kotlin, Bash, Ruby, C++
- 🧪 TestingUnit Tests, TDD, Automated UI Tests
- 🌍 Web ServicesREST, SOAP, OAuth
- 🗄️ DatabasesCoreData, NoSQL (Firebase, Couchbase), SQLite (C++), Realm
- 🏛️ ArchitecturesMVVM, MVC, Clean Architecture, Redux
References
IBM Health Platform
01/02/2022 - Present
Key Facts
- Sharing knowledge through Tech Talks
- Leading technically an iOS Team of 7 developers
- Developing using SwiftUI, Combine, PromiseKit, new Swift Concurrency API
- TDD with strict Pull Request rules (min. 80% code coverage)
- Fully WCAG compliant features (VoiceOver, Full Keyboard Access, Minimum Contrast)
01/12/2018 - 31/12/2021
Worked on Germany's best comparison App with over than 1 Million active users in the mobile communications department. With the CHECK24 iOS App you can compare prices and conditions in real time about Insurances (car insurance, private liability insurance), Credit (daily allowance & credit cards), DSL & Mobile communication contracts.
Key Facts
- iOS Tech-Lead and (Junior, Senior) mentor
- Modernized the App from UIKit MVVM to SwiftUI MVVM-C with Reactive Components using Combine
- Implemented dynamic generated XCTestCases from Gherkin language (Given, When, Then)
- Improved the architecture of the old app
- Used SOLID Principles as well as TDD for the daily app development
01/10/2015 - 31/11/2018
Key Facts
- Senior Software Developer
- Ownership of deliveries (technical organization & execution)
- Developed EBF Contacts App in Xamarin (iOS & Android) using Contacts Framework and CouchDB Lite as Database (App Store)
- Developed EBF Files App (iOS & Android) to access corporate data. Some of the feature highlights are PDF, Office Editing and File Synchronisation (App Store)
- Developed Enterprise Apps that leveraged IoT devices (Beacons) and wearables (Apple Watch)
- Proof of Concept macOS app in AppKit & Obj-C
- Maintained various apps
- Responsible for CI (Jenkins) for signing, distributing Whitelabel apps to customers
01/11/2012 – 31/09/2015
Key Facts
- Mainly worked on the Bosch MySPIN Car Infotainement System (read more)
- Maintained "Holidays And Vacations" App which helps tracking public holidays and much more (App Store)
- Worked on the shared Database and Networking code across iOS & Android using C++
- Occasionally developed also for Windows Phone
