Software Engineer II (iOS)

About this role

Adyen seeks an experienced iOS Engineer II to develop mission-critical payment SDKs used by major merchants. You'll work with cutting-edge technologies like iOS 17/18 and async/await to build secure, scalable solutions that power mobile authentication and financial transactions.

What you'll do

• Build and maintain SDKs for mobile payment authentication and transaction processing
• Implement security and compliance solutions for financial transactions
• Collaborate cross-functionally to design and improve mobile payment solutions
• Write reliable, maintainable code following architectural best practices
• Lead new initiatives and take ownership of technical projects
• Mentor team members and contribute to code quality standards

What they're looking for

• Swift and iOS development (4+ years)
• Mobile app architecture and design patterns
• Async/await and modern concurrency
• SDK/library development for third-party developers
• Security and compliance protocols
• English communication (verbal and written)
• Payment systems knowledge
• REST APIs and backend integration

Benefits

• Competitive salary: $154,000–$200,000
• Hybrid work arrangement in Chicago office
• Opportunities to lead new technical initiatives
• Inclusive, diverse workplace culture
• Career ownership and professional growth support