About Us At UserWise Services, we build and scale mobile games played by millions worldwide.

Our focus is simple: move fast, deliver impact, and use modern tools—including AI-assisted workflows—to accelerate development and iteration. You'll work on a proven, high-performing mobile game built with Objective-C and Cocos, helping evolve it for the next stage of growth. This is not a "build from scratch" role—it's about: Work on a game that already has traction and players See your impact immediately in a live environment Maintain and extend a legacy Objective-C + Cocos codebase Optimize performance, memory usage, and runtime behavior for mobile Use AI-assisted workflows (code generation, debugging, refactoring, test creation) to move faster Strong experience with Objective-C and iOS development Experience working on live mobile games or shipped apps Strong understanding of performance optimization (CPU, memory, rendering) Experience with C++ (common in Cocos-based systems) Familiarity with game loops, rendering pipelines, and animation systems Exposure to analytics-driven development (A/B testing, live ops) Market competitive, tax-free USD salaries Performance Bonus Annual Performance Reviews

📌 Senior Mobile Engineer (Objective-C / Cocos - Live Game Evolution) (La Mancha)
🏢 UserWise
📍 La Mancha