Senior iOS Engineer — Banking App (SwiftUI/UIKit, VIP)

Us3 Ltd; Amsterdam; On-site; EUR 95,000 - 135,000; Full time

Job summary

Us3 Ltd is seeking an experienced Senior iOS Developer to join a cross-disciplinary team handling card functionality within a major banking application. You will be the sole iOS developer within a cross-functional team, delivering native iOS features using Swift and refining requirements to align with external and regulatory needs.

You will work across UIKit and SwiftUI, refactor legacy Objective-C, and champion accessibility while maintaining high-quality user experiences.

Qualifications

• 8+ years of professional iOS development experience.
• Strong, hands-on experience with Swift and native iOS development.
• Proficient with UIKit and SwiftUI.
• Experience refactoring Objective-C and legacy code.
• Familiar with Clean/VIP architecture and accessibility.
• Able to work independently within a cross-functional team.
• Excellent communication and collaboration skills.
• Experience in SCRUM and DevOps environments.
• Experience in financial services or banking apps (preferred).

Responsibilities

• Develop and maintain native iOS features using Swift.
• Work across UIKit and SwiftUI, including layouts and interface development.
• Refine requirements and proactively contribute to future functionality.
• Resolve and modernise legacy code, including Objective-C refactoring.
• Improve accessibility and ensure a high-quality user experience.
• Contribute to card-related functionality, including changes driven by external parties and compliance requirements.
• Collaborate effectively within a larger developer community and contribute to knowledge-sharing/Guild activities.
• Work independently while actively communicating and collaborating with the wider team.
• Follow Clean/VIP architecture principles and contribute to maintainable, scalable solutions.

Skills

Swift

iOS development

UIKit

SwiftUI

Objective-C

VIP Architecture

Accessibility

Scrum/DevOps

Communication

Independent worker

Tools

UIKit

SwiftUI

Objective-C

Job description

Us3 Ltd is seeking an experienced Senior iOS Developer to join a cross-disciplinary team handling card functionality within a major banking application. You will be the sole iOS developer within a cross-functional team, delivering native iOS features using Swift and refining requirements to align with external and regulatory needs.

You will work across UIKit and SwiftUI, refactor legacy Objective-C, and champion accessibility while maintaining high-quality user experiences.