iOS Engineer Verimi GmbH
Developed an iOS SDK supporting secure identity verification flows for enterprise clients. Built and maintained authentication capabilities including biometric login with Face ID and Touch ID, session stability, and device management for AOK and BARMER applications serving millions of users.
Contributed to the migration of the Verimi Wallet application from UIKit to SwiftUI, with emphasis on accessibility, security, and user experience. Partnered with designers to create a reusable Design Component SDK that improved consistency and development speed across applications.
Implemented GitHub Actions CI/CD pipelines to automate SDK builds and releases. Built Core Data persistence for offline caching and state management, optimized performance and memory usage with Xcode Instruments and Crashlytics, and maintained a 99% crash-free production environment.
Modularized multi-target B2B and B2C applications with XCFrameworks and local Swift packages. Used Firebase Remote Config for A/B testing, participated in peer reviews, and worked in Scrum and Kanban teams while using Claude and Codex to accelerate specification-driven development.