Summary
Kai-marcel Teuber is an iOS developer with 10 years' experience building apps across iPhone, iPad, Apple TV and watchOS for regulated sectors including finance, health, transport and insurance. He has held senior and lead roles at Deutsche Bahn, SAP, Die Techniker and e-abo GmbH and contributed to high-profile apps such as the Corona Warn App, Börse Frankfurt, Tradegate, Trade Republic, e-Abo and Electronic Beats Radio. Technically he spans Objective-C to modern Swift and SwiftUI, UIKit and backend integrations (REST/JSON/XML), with a focus on performance and privacy that suits public-health and financial products. Based in Hesse, he holds a Diplom-Informatiker from Goethe‑Universität Frankfurt (grade 1.6) and works freelance, bridging enterprise delivery practices with startup speed.
10 years of coding experience
5 years of employment as a software developer
Diplom-Informatiker, Computer Science, 1,6, Diplom-Informatiker, Computer Science, 1,6 at Goethe-Universität Frankfurt