Frontend Engineer (Game SDK)

Our client is looking for a skilled Unity SDK Developer to join our team in Singapore. In this role, you will focus on building and maintaining internal Unity SDKs, with a strong emphasis on integrating third-party services such as authentication, analytics, monetization, and payments.

You will also contribute to game feature development, ensuring solutions are scalable, reliable, and easy to integrate across multiple projects. This is an on-site position based in Singapore.

Responsibilities

• Design, develop, and maintain internal Unity SDKs and tools.
• Integrate and manage third-party services (e.g., authentication, analytics, ads, payments).
• Design and implement SDK-level UI components and flows (e.g., login screens, consent dialogs, payment interfaces).
• Ensure SDK usability, consistency, and ease of integration for other development teams.
• Collaborate with cross-functional teams to ensure smooth SDK integration and adoption.
• Develop and maintain game features and systems using Unity and C# when required.
• Ensure compatibility with platform requirements for Android and iOS.
• Optimize performance across SDK components and related features.
• Troubleshoot and resolve integration issues and platform-specific bugs.
• Participate in the full development lifecycle: planning, implementation, testing, and deployment.
• Build tools and utilities to improve development workflows and efficiency.
• Stay up to date with Unity updates, platform changes, and industry best practices.

Requirements

• Bachelor’s degree in Computer Science, Software Engineering, or a related field.
• 3+ years of professional experience in Unity development.
• Strong proficiency in C# and Unity engine.
• Hands-on experience integrating third-party SDKs or services.
• Experience designing and implementing UI within SDKs or reusable modules.
• Experience with Android and/or iOS native integrations.
• Solid understanding of mobile application architecture and lifecycle.
• Experience with networking protocols (HTTP, WebSocket).
• Familiarity with CI/CD pipelines and version control tools (e.g., Git).
• Strong debugging and problem-solving skills, especially for cross-platform issues.
• Good communication skills in English.

Preferred:

• Experience building or maintaining a shared SDK, framework, or plugin used across multiple projects.
• Experience implementing user-facing flows within SDKs (e.g., onboarding, authentication, payments).
• Experience publishing apps on mobile platforms.
• Familiarity with modular architecture and SDK design principles.
• Experience building custom Unity editor tools.
• Understanding of platform compliance and privacy requirements.
• Exposure to serialization tools such as protobuf.