Senior Mobile Engineer – Objective-C, Cocos

🕒 April 24

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UserWise

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2020

🎮 Gaming

🤖 Artificial Intelligence

🤝 B2B

Gaming • Artificial Intelligence • B2B

UserWise is a game development and LiveOps services company that uses a proprietary AI-driven production system to accelerate development, reduce costs, and improve decision-making. They co-develop and modernize mobile and casual games, run LiveOps and growth for established titles (e. g. , Fruit Ninja Adventures, Wordscapes Search, Sudoku), and build related platforms such as a loyalty and rewards product. UserWise partners with other studios to scale games into sustainable businesses through AI-accelerated engineering, content creation, analytics, and monetization optimization.

📋 Description

• Maintain and extend a legacy Objective-C + Cocos codebase • Optimize performance, memory usage, and runtime behavior for mobile • Refactor and modernize systems without breaking live operations • Ship features, events, and improvements in a live-service environment • Use AI-assisted workflows (code generation, debugging, refactoring, test creation) to move faster • Collaborate closely with product, design, and analytics to drive impact • Identify quick wins vs. deep tech improvements and prioritize accordingly

🎯 Requirements

• Strong experience with Objective-C and iOS development • Hands-on experience with Cocos (Cocos2d-x or similar) • Experience working on live mobile games or shipped apps • Ability to navigate and improve legacy codebases • Strong understanding of performance optimization (CPU, memory, rendering) • Pragmatic mindset: you know when to refactor vs. ship • Comfortable leveraging AI tools (e.g., Copilot, ChatGPT, etc.) as part of your workflow

🏖️ Benefits

• Market competitive, tax-free USD salaries • Paid Time Off • Performance Bonus • Annual Performance Reviews