Overview In this role you will build and maintain iOS authentication flows for millions of users, focusing on biometric login, session stability, and device management. You will co-own the iOS codebase within the Digital Identity domain and collaborate with Android and Backend engineers on cross‐platform features. You will integrate third‐party SDKs and drive reliability through testing and architecture decisions.

You will shape the iOS identity roadmap with Product and stakeholders while addressing security, performance, and stability.

Compensaciones / Ventajas Personal development budget

Work-from-home budget

Discounts for fitness, wellness, language apps

Public transportation discount

Relocation package with visa support

Free Premium subscription for personal N26 account

Responsabilidades Build and maintain iOS authentication flows (biometric login, session stability, device management)

Co-own the iOS codebase within the Digital Identity domain

Integrate and maintain third-party mobile SDKs; own upgrade and reliability cycle

Collaborate with Android and Backend engineers on cross-platform identity features, API design and shared testing infrastructure





Drive iOS regression testing quality; maintain Testrail suite and automated test coverage

Make architectural decisions for the iOS identity layer addressing security, performance, and stability

Work with Product and stakeholders to shape the roadmap for the iOS experience within Digital Identity

Requisitos principales Deep understanding of the iOS platform and Swift

Experience with iOS security frameworks (LocalAuthentication, Keychain)

Experience with various iOS frameworks (networking, UI, testing)

Experience in Agile development, especially in authentication/security-related features

Strong debugging and analytical skills for session and device-layer issues

Proficiency with Jira and TestRail for issue tracking and test case management

Full professional proficiency in English

Strong sense of ownership

Systematic problem-solving under security and reliability constraints

Proactiveness and collaboration

Swift and iOS platform expertise iOS security APIs (LocalAuthentication, Keychain)

Networking, UI, and testing frameworks on iOS

📌 iOS Engineer - Digital Identity (Barcelona)
🏢 N26
📍 Barcelona