数据挖掘工程师（ROI方向）-今日头条/番茄小说/红果短剧
Core
Build, train, and optimize ROI-related algorithmic models (time-series, classification, regression, causal inference) using deep learning and machine learning to accurately predict and evaluate business ROI.
Role type
Senior IC data mining engineer (ROI focus)
Builds
Production ML models for user growth, ad targeting, and coin incentive scenarios
Domain
Internet / AdTech / Recommendation Systems
Deliverable
production ML models
Required skills
Python, SQL, Spark, time-series forecasting, classification, regression, causal inference, deep learning, mathematical modeling
Preferred skills
Research on latest ML/statistical algorithms, business strategy formulation
Technologies
Python, SQL, Spark
Responsibilities
Develop and optimize ROI prediction models; Translate business problems into data-driven strategies; Research and introduce new algorithms to improve model performance
