This is a full-time Advertisement Optimization Specialist position located in Shenzhen. The role involves managing and optimizing advertising campaigns across various information flow media platforms. Key responsibilities include setting and achieving ROI targets, developing and executing media buying plans, collaborating with internal teams (design, operations, technology), and analyzing data to refine strategies. The ideal candidate will have a passion for the gaming industry, strong analytical skills, and an ability to understand and target specific user groups. Experience with creating and improving ad creatives is also a plus. The position demands strong data analysis abilities, a high level of responsibility, and teamwork skills.