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I have 10+ years of experience in developing and designing apps, web experiences, and backends. Currently, I’m primarily focusing on native iOS-apps (Swift).
Latest achievement: I’ve built the entire technical infrastructure for investment FinTech Vantik together with one other developer.
Projekt- und Berufserfahrung
- 1&1 Mail & Media Applications SE - GMX | WEB.DE | mail.comFreelance iOS DeveloperSOFTWARE-HERSTELLERJanuar 2022 - September 2022 (8 Monate)München, BY, DeutschlandUnder the brands, Web.de, GMX, 1und1, and Mail.com, United Internet AG offers email and cloud services that are used every day by millions of users on their iPhones. The white-label app has historically grown since 2010 and as part of the 10-person team besides adding new features to the app, I refactored legacy code and increased test coverage.FeaturesEmail and cloud access, compose email, email and cloud sync, news, contact, multiple account management, synchronization, notifications, premium features, adsTechnologies usedUIKit, SwiftUI, Combine, VIPER, Unit tests, UI tests, Snapshot tests, Fastlane, Cocoapods, MailCore
- D4L data4life gGmbHFreelance iOS developerGESUNDHEIT & WELLNESSMärz 2021 - Heute (3 Jahre und 9 Monate)Berlin, DeutschlandThe Data4Life app helps users manage their health, gain new knowledge, and contribute to research.The biggest challenge in this project was to change the app's UI from UIKit to SwiftUI during ongoing development and change the overall architecture from VIPER to Composable Architecture. This was achieved by modularizing the app into over 50 Swift packages and then gradually transforming them.In addition to the architecture and development part, the job involved coaching the staff in Composable Architecture and SwiftUI by means of pair programming and in-depth sessions.FeaturesKeep track of symptoms, participate in studies, store medical documents digitally, knowledge baseTechnologies usedUIKit, SwiftUI, VIPER, Composable Architecture, Unit tests, Fastlane, SnapKit, Swift Package Manager, Sentry
- Sparkasse S-Markt & Mehrwert GmbHFreelance iOS developerDIGITALAGENTUREN & IT-CONSULTINGFebruar 2021 - Dezember 2021 (10 Monate)Berlin, DeutschlandAfter having worked on the project already in 2019/2020, I re-joined the app team of Sparkasse's agency S-Markt & Mehrwert GmbH to support them on one of their projects, a white label customer loyalty app they're offering to their partners, one of which is Hamburger Sparkasse's app HaspaJoker.This time the job mainly involved consulting, coaching, and weekly code reviews.
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Ausbildung & Abschlüsse
- Mediadesigner (IHK - Mediengestaler)Albrecht-Dürer-Schule, Düsseldorf2011(Dual apprenticeship – Technical College)
- Bachelor Applied Computer-ScienceUniversity of Applied Sciences (HTW-Berlin)2015