Senior iOS Engineer at Mollie

📋 Description

• Design and develop a production-ready iOS SDK from the ground up
• Ensure SDK compatibility across iOS versions and device types
• Build and maintain CI/CD pipelines for testing, versioning, and App Store submission
• Define SDK architecture that balances developer experience with security and compliance
• Build to scale for high traffic
• Collaborate with platform and app teams on tooling, release workflows, and mobile infrastructure

🎯 Requirements

• Strong iOS development with Swift and frameworks (UIKit, SwiftUI)
• Minimum of 4 years experience developing mobile apps
• Experience building and distributing SDKs or libraries used by developers
• Deep understanding of iOS SDK distribution
• Experience setting up CI/CD pipelines for testing, versioning, and App Store submission
• API design principles and developer experience considerations

🎁 Benefits

• Willingness to develop on React Native apps and native bridges/JSI
• Android SDK development experience for cross-platform alignment
• Experience with payment processing, PCI compliance, or financial applications
• Knowledge of security best practices for client-side mobile payments
• Open source contribution history or published SDKs/libraries
• Experience contributing to internal platforms or developer tooling