Adyen
Software Engineer II (Kotlin) - Core Experience
$154K–$200K
Chicago · Full-time · Posted Sep 25, 2026
- Experience
- 5+ years writing code in Kotlin.
- Visa sponsorship
- Must be work authorized in the United States without need for new visa sponsorship. Visa transfers are supported; H-1B CAP applications are not sponsored.
About the job
Develop Kotlin-based payment terminal and SDK features for in-person payments, deployed across Android, Linux, and backend solutions, with contributions to C++ payment libraries.
What you'll do
- Build and maintain payment features for global merchants, payment terminals, and SDKs.
- Develop Kotlin business logic for Android, Linux-based terminals, and backend systems; contribute to central C++ libraries.
- Write and maintain automated tests, and collaborate with engineers and stakeholders, including mentoring other engineers.
What they ask for
- 5+ years of experience writing code in Kotlin.
- Proficiency building software for Android and experience developing enterprise-level SDKs.
- Expert-level knowledge of Kotlin, Android SDK, Jetpack Compose, Coroutines, Gradle, and Dependency Injection.
- Experience writing and maintaining comprehensive automated unit and integration tests; excellent verbal and written English communication skills.
Nice to have
- Experience in another non-JVM language such as C or C++; building libraries used by other engineers.
- Knowledge of security best practices and standards, Bluetooth-connected devices, or the payment industry.
Pay
$154,000.00 - $200,000.00 (annual base salary)
Tools
Kotlin, Kotlin Multiplatform, Android, Android SDK, Jetpack Compose, Coroutines, Gradle, C++
Model-written summary · the original posting is authoritative