主要职责包括：算法设计、数据挖掘、检索系统开发，具体如下：
1、移动终端用户行为收集、用户人群建模，根据用户人群建立人群售卖业务，提高客户人群精准度；
2、移动广告检索系统产物开发，主要以策略实现为主；
3、广告检索效率优化，包括ROI优化、App分发转化率优化；点击率预估模型和优化；4、CPA优化模型设计，实时竞价设计，自从引入改模型后提升APP分发转化率30%，CPA降低20%。
I am focus on development and performance optimization related to mobile display advertising system. Mainly design methods and strategies to improve the conversion rate f...
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