Work Type
Remote
Location
Global
Compensation
USD $50–120 per hour, adjusted by country of residence.
About this opportunity
Overview
Rex is looking for mobile game developers to help train and evaluate AI models focused on mobile game development. The role involves designing and reviewing game features in Unity and C#, improving performance across devices, and assessing AI-generated gameplay code.
What You'll Do
- Design, build, and review mobile game features in Unity and C#.
- Optimize game functionality and performance across a range of devices and platforms.
- Evaluate AI-generated gameplay code and scene setups for correctness and quality.
- Write reference implementations and short technical explanations.
- Contribute ideas during brainstorming for new mechanics and features.
- Provide structured written feedback on model outputs.
- Follow project guidelines, participate in calibration and review sessions, and incorporate feedback to maintain consistent quality.
Requirements
- Expert-level proficiency with Unity and C#.
- Strong understanding of core game design principles and player experience.
- A portfolio of completed mobile game projects.
- Fluent written English.
- Ability to work independently, stay detail-oriented, and meet deadlines in a remote setting.
Preferred Qualifications
- Cross-platform build experience for iOS and Android.
- Live-ops or analytics experience.
- Experience with 2D engines such as Cocos2d-x.
Rights, Confidentiality, and Data Handling
- Only submit work that you created yourself or have the right to share.
- Do not submit material covered by employer, client, or third-party confidentiality agreements.
- Do not submit export-controlled, military, or defense-related technical data.
- Remove credentials, secrets, and personal data from anything submitted.
- Rex may ask for proof of ownership or licensing, verify submissions, and reject or remove any submission.
Legal and Compliance
- All submitted content must be lawful and shareable under applicable rights and permissions.
- Do not submit confidential or proprietary material belonging to others, or personal data without a lawful basis.
- Rex may verify identity, credentials, ownership, and licensing, and may reject or remove submissions.
- Engagement and payment are subject to verification and applicable sanctions, export-control, tax, and employment laws.
- The contractor agreement will define ownership and license terms for delivered work.
