iOS Engineer

About the role

N26 is a digital bank headquartered in Berlin with offices in Barcelona, and they are looking for an iOS Engineer to join their mobile team. The role involves building and maintaining the iOS application that serves millions of customers across Europe. You will work closely with product managers, designers, and other engineers to deliver high-quality mobile experiences that meet the needs of a diverse user base. The iOS Engineer contributes to every stage of the development lifecycle, from initial design discussions through implementation, testing, and release. This is a full-time position based in one of the two listed offices, with the expectation of active collaboration with cross-functional teams. The team values clean code, thoughtful architecture, and a user-first approach to every feature shipped. As part of a growing engineering organization, the iOS Engineer will have opportunities to mentor junior developers and influence technical direction. The iOS Engineer will work within a team that values transparency, ownership, and continuous learning.

Key facts

What you'll do

Design and implement new features for the N26 iOS application using Swift and UIKit.

Collaborate with backend engineers to integrate REST APIs and handle data synchronization.

Write clean, maintainable, and well-tested code following established coding standards.

Participate in code reviews to ensure consistency and quality across the mobile codebase.

Debug and resolve performance issues, crashes, and UI bugs reported by users.

Contribute to architectural decisions that shape the long-term direction of the mobile product.

Work with product and design teams to translate user requirements into technical implementations.

Maintain and update third-party dependencies and libraries used in the iOS project.

Automate testing workflows to improve build reliability and reduce manual effort.

Document technical decisions and implementation details for the benefit of future reference.

Stay current with the latest iOS platform updates and adapt the application accordingly.

Support the release process by preparing build artifacts and coordinating with QA teams.

Requirements

Experience developing iOS applications using Swift and the UIKit framework for mobile platforms.

Familiarity with RESTful API integration and JSON parsing in mobile applications is expected.

Understanding of mobile app architecture patterns such as MVC, MVVM, or VIPER is required.

Experience with version control using Git and collaborative development workflows in team settings.

Ability to write unit tests and UI tests to verify application behavior reliably.

Strong problem-solving skills and attention to detail in code quality and architecture.

Comfortable working in an agile team environment with regular sprint cycles and iterations.

Proficiency in English for clear communication within a multinational development team is necessary.

Knowledge of SwiftUI is a plus for contributing to modern iOS interfaces.

Familiarity with analytics tools and tracking user interactions within mobile applications.

Nice to have

Experience with Combine framework or reactive programming paradigms in Swift is valued.

Familiarity with CI/CD pipelines and automated build systems for iOS projects is helpful.

Knowledge of Core Data or other local persistence solutions on iOS platforms.

Experience contributing to open-source iOS projects or public code repositories demonstrates initiative.

Exposure to mobile security best practices and data protection regulations in the European Union.

Skills & tools

Swift programming language for iOS application development and maintenance.

Xcode as the primary integrated development environment for Apple platforms.

Git for source control and collaborative code management workflows.

REST APIs for backend communication and data fetching operations.

Unit testing frameworks including XCTest for verifying application behavior.

Agile project management methodologies and supporting collaboration tools.

Practical notes

The position is based in either the Berlin or Barcelona office, with no remote option specified in the listing.

Candidates should be prepared to work within European business hours and collaborate across multiple time zones.

N26 operates in a fast-paced environment where iterative delivery and continuous improvement are valued by the team.

The hiring process may include technical assessments, pair programming sessions, and multiple interview rounds before a final decision.

N26 offers a competitive benefits package and a supportive culture that encourages professional growth and learning.