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Software Engineer II (Kotlin) - Core Experience

Chicago💼 Full-time💰 $154,000–$154,000🗓 2026-09-25 → 2026-09-26

Core

Develop business logic and features for in-person payment terminals and SDKs using Kotlin Multiplatform, supporting Android and Linux devices.

Role type

Senior IC Android/Kotlin Engineer

Builds

Payment terminals, payment SDKs, and backend services for global merchants

Domain

Fintech / Payments

Deliverable

production ML models | product features

Required skills

Kotlin, Android SDK, Jetpack Compose, Coroutines, Gradle, Dependency Injection, Unit Testing, Integration Testing, C++

Preferred skills

Bluetooth device integration, Security best practices, Library development

Responsibilities

Develop and maintain payment features for terminals and SDKs; Integrate with cash registers; Write and maintain automated test suites; Debug Android applications; Mentor junior engineers

Seniority

Senior, hands-on IC

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