Content Service Metrics and Analysis Team is responsible for global msn (https://www.msn.cn/zh-cn, Microsoft content service) business growth by building metrics to evaluate gain and quality, driving insights from big data (400TB per day) and models,  providing an AB Experimentation System built on big data with computations on platforms like spark, click house, cosmos, and building an E2E monitoring system on metrics with common auto analysis functions like abnormal detection, prediction, metrics movement, correlation and etc. You will also have a chance to use LLM for relevance on both prompt and embedding. Overall, we provide an E2E service to facilitate msn business growth based on data, models, insights, monitoring and experiments. The role for this job is mainly on big data pipelines for data cooking and system development on AB Experiment System according to business requirements.