Senior Mobile Engineer for Live Games (Obj-C/Cocos)
UserWise Services
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Benefits offered by this job
Job summary
UserWise Services is seeking engineers to improve and scale a live mobile game built with Objective-C and Cocos. You will help evolve the product for growth, making smart technical decisions and leveraging AI-assisted workflows to accelerate development.
The role focuses on maintaining a legacy codebase, optimizing performance, and shipping improvements in a live-service environment with close collaboration across product, design, and analytics.
Qualifications
- Experience with Objective-C and iOS development.
- Hands-on experience with Cocos (Cocos2d-x or similar).
- Experience in live mobile games or shipped apps.
- Ability to navigate and improve legacy codebases.
- Strong performance optimization knowledge for CPU, memory, rendering.
- Pragmatic mindset balancing refactor and shipping.
- Comfortable using AI tools in workflow.
Responsibilities
- Maintain and evolve legacy Objective-C + Cocos codebase.
- Optimize performance, memory usage, and runtime behavior on mobile.
- Refactor and modernize systems without disrupting live operations.
- Ship features and improvements in a live-service environment.
- Use AI-assisted workflows to speed development, debugging, and testing.
- Collaborate with product, design, and analytics to drive impact.
- Identify quick wins vs. deep tech improvements and prioritize.
Skills
Tools
Job description
UserWise Services is seeking engineers to improve and scale a live mobile game built with Objective-C and Cocos. You will help evolve the product for growth, making smart technical decisions and leveraging AI-assisted workflows to accelerate development.
The role focuses on maintaining a legacy codebase, optimizing performance, and shipping improvements in a live-service environment with close collaboration across product, design, and analytics.
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