Platform Service Client Developer

Location: Seoul office, South Korea

Closing date: October 26, 2026

Company

Development of game platform SDKs and integration modules for Unity, Android, and iOS.

What you will do

• Design and develop game platform SDKs supporting Unity, Android, and iOS.
• Build SDKs and integration modules for authentication, payments, push notifications, and other common game features.
• Design integration architectures and shared interfaces between Unity and native Android/iOS code.
• Analyze and resolve compatibility issues across operating systems, devices, and Unity versions.
• Manage SDK builds, deployments, versioning, and continuous quality improvement.

Requirements

• 7+ years of software development experience.
• Commercial development experience on at least one platform: Android, iOS, Unity, or Godot.
• Deep knowledge of at least one of Java/Kotlin, Swift/Objective-C, or C#.
• Experience designing and developing SDKs, libraries, or APIs.
• Understanding of client-server architecture, REST APIs, and mobile application architecture.
• Eligibility for overseas travel and employment is required.

Nice to have

• Experience developing Unity-based games or game SDKs.
• Experience with Android/iOS native development and Unity native plugin or bridge development.
• Experience integrating Google/Apple Login, mobile payments, FCM/APNs, and similar platform features.
• Experience designing or operating SDK versioning, backward compatibility, and deployment systems.
• Understanding of Spring Boot, Kubernetes, AWS, or GCP.

Culture & Benefits

• Full-time employment.
• Work from the Seoul office.