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Adyen Logo Adyen · IT - Software Development

Senior Kotlin Engineer

United States, Chicago 154000.00 - 200000.00 USD / Year · Job Posted March 05, 2026
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Job Description

Adyen is looking for full-time Kotlin Engineers to help develop their in-person payments solution. They have a large and varied fleet of payment terminals in the field, which they are continuously improving by adding new features and payment methods. Kotlin development plays a vital role in this effort, as the code will be deployed across various solutions using Kotlin Multiplatform.

Job Responsibility

  • Work on solutions for payment terminals featuring capabilities such as accepting payments using credit cards and debit cards, Apple Pay or Google Pay on mobile phones or accepting payments through QR codes
  • Communication with the Adyen backend to achieve one platform solution
  • Integration with a variety of cash registers using state of the art standards
  • Develop main business logic in Kotlin for deployment on Android and Linux based payment terminals and backend
  • Test code using a variety of testing methods from unit testing to complete product testing via automated programmable robots
  • Propose improvements and new solutions for team and platform
  • Work on projects that bring innovation
  • Take ownership of features from design, implementation, testing and monitoring to ensure a sustainable and secure solution

Requirements

  • 5+ years of cumulative development experience in Android/Kotlin
  • 5+ years of experience in software design and development in Kotlin
  • Knowledge on databases (Postgresql, SQLite)
  • Able to communicate fluently in English

Nice to have

  • Experience with Kotlin Multiplatform for cross-platform development
  • Additional programming knowledge/experience - Android, Java, C/C++, Python
  • Card payment (EMV, ISO8583, ISO20022) knowledge
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