Game Developer

Twine; Remote; CAD 70,000 - 90,000; Full time

Job summary

A leading freelance marketplace is seeking a game developer to create a technical prototype for a motion-controlled adventure game on iOS or Android. This role focuses on implementing robust camera-based body-motion tracking and delivering a fully functional system. Candidates should have proven experience in Unity development and a strong grasp of AR technologies. The ideal developer will work independently and deliver high-quality results, ensuring stable performance and clear documentation.

Qualifications

• Proven experience developing mobile games or interactive prototypes in Unity.
• Strong knowledge of AR Foundation, ARKit, ARCore, and/or MediaPipe Pose for body tracking.
• Demonstrated ability to design modular, scalable game architectures.

Responsibilities

• Develop a Unity 6 (LTS) prototype supporting body tracking using AR technologies.
• Implement calibration systems and modular architecture for feature expansion.
• Ensure responsive avatar control based on real-time body motion input.

Skills

Unity development

AR Foundation

ARKit

ARCore

C#

Problem-solving skills

Job description

This role involves developing a technical prototype for a motion‑controlled adventure game on iOS or Android. The focus is on implementing robust camera‑based body‑motion tracking, ensuring responsive avatar control, and establishing a modular game architecture suitable for future expansion. The successful candidate will deliver a fully functional motion tracking system, including calibration, stable performance, and clear motion input mechanisms. The prototype must be deployable via TestFlight (iOS) or APK/Test distribution (Android), and should be designed for extended, stable operation. The project is ideal for a developer with a strong background in Unity and AR technologies, looking to contribute to an innovative gaming experience.

Deliverables

• Develop a Unity 6 (LTS) prototype supporting body tracking using AR Foundation with ARKit (iOS) or ARCore (Android); MediaPipe Pose may be used for Android.
• Implement calibration systems and modular architecture for easy future feature expansion.
• Ensure responsive and stable avatar control based on real‑time body motion input.
• Provide source code, build instructions, a performance report, and a comprehensive testing checklist.
• Optimize for stable operation over extended use and meet specified performance and UX requirements.
• Prepare the prototype for future enhancements and additional features.

Requirements

• Proven experience developing mobile games or interactive prototypes in Unity (preferably Unity 6 LTS).
• Strong knowledge of AR Foundation, ARKit, ARCore, and/or MediaPipe Pose for body tracking.
• Demonstrated ability to design modular, scalable game architectures.
• Experience with camera‑based motion tracking and calibration systems.
• Proficiency in C# and Unity development best practices.
• Ability to deliver clear documentation, build instructions, and performance reports.
• Familiarity with TestFlight (iOS) and APK/Test distribution (Android).
• Strong problem‑solving skills and attention to detail.
• Ability to work independently and deliver high‑quality results within deadlines.

About Twine

Twine is a leading freelance marketplace connecting top freelancers, consultants, and contractors with companies needing creative and tech expertise. Trusted by Fortune 500 companies and innovative startups alike, Twine enables companies to scale their teams globally.

Our Mission

Twine's mission is to empower creators and businesses to thrive in an AI‑driven, freelance‑first world.