Adyen seeks a Software Engineer II to join its dynamic and innovative team in Chicago, focusing on developing cutting-edge mobile payment solutions for iOS. This role involves building robust SDKs using the latest iOS stack including Swift and async/await, ensuring secure financial transactions for major clients such as Uber, Booking.com, and McDonald's. The ideal candidate will have at least 4 years of experience in iOS development, with a strong emphasis on reliability and clarity in code. Additionally, they should be flexible, proactive, and willing to contribute new ideas to enhance the product. Familiarity with building libraries for other developers is a plus. This position offers an opportunity to work on mission-critical systems that tackle complex security and compliance issues at scale within the rapidly evolving payment industry.
Design and implement mission-critical SDKs for mobile payments using the latest iOS technologies.
Ensure SDKs comply with security and regulatory requirements for financial transactions.
Write reliable, maintainable, and efficient Swift code for iOS applications.
Collaborate on architectural decisions to improve performance and scalability of payment solutions.
Stay updated with new iOS releases (iOS 17/18) and integrate async/await features.
What we're looking for
Minimum 4 years of iOS development experience using Swift.
Expertise in building and maintaining mission-critical SDKs for financial transactions.
Strong understanding of the latest iOS stack, including async/await.
Excellent verbal and written communication skills in English.
Proactive approach to learning new technologies and improving solutions.
Market check
Salary context
This
$154,000–$200,000
range sits above
75%
of similar postings on FindRole.
Peer median band
$117,000–$198,500
Median floor and ceiling across peers.
Typical midpoint (25–75%)
$135,000–$175,500
Middle half of comparable postings.
Based on 240 comparable postings.*
* 240 is the maximum number of comparable postings sampled.
Employer
About Ayden
Adyen is a global payments platform that provides end-to-end payment processing, merchant acquiring, and issuing solutions to large global companies, enabling them to accept payments anywhere in the world. Industry: Payments Technology & Financial Services
Ayden currently has
107 open roles
on FindRole.
Listed pay typically runs
$180,000–$243,000
across 37 roles with salary data.