Software Engineer II - Core Experience

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Software Engineer II - Core Experience in USA

Adyen
Full time
Email

USA
10/01/2026
Report

Chicago, IL

Responsibilities

Develop and maintain Kotlin business logic for Android and Linux payment terminals, backend systems, and payment SDKs.
Build payment capabilities supporting cards, Apple Pay, Google Pay, QR codes, and global merchants.
Integrate payment solutions with cash registers using industry standards.
Contribute to C++ libraries central to payment business logic.
Write and maintain automated unit, integration, and complete product tests.
Debug Android applications and collaborate with engineers, product designers, and business stakeholders.
Mentor and grow engineers through code reviews, design reviews, and over-the-shoulder debugging.

Requirements

At least five years of experience writing Kotlin code.
Proficiency building software for Android and experience developing enterprise-level SDKs.
Expert knowledge of Kotlin, Android SDK, Jetpack Compose, Coroutines, Gradle, and dependency injection.
Experience maintaining comprehensive automated unit and integration test suites.
Ability to communicate clearly in written and spoken English and collaborate effectively.
Strong technical problem-solving skills, accountability, attention to detail, and willingness to mentor other engineers.
Preferred experience with C or C++, libraries used by other engineers, security best practices and standards, Bluetooth-connected devices, or the payment industry.

Benefits

Full-time role based in Adyen’s Chicago office.
Office-first work arrangement with in-person collaboration; remote-only work is not offered.
Adyen states that it aims to respond to applications within five business days and that interviews typically take about four weeks.

Salary: $154k - $200k/yr

Adyen

Adyen (AMS: ADYEN) is the financial technology platform of choice for leading companies. By providing end-to-end payments capabilities, data-driven insights, and financial products in a single global solution, Adyen helps businesses achieve their ambitions faster. With offices around the world, A...

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