- Worked on Restaurant SaaS, Meituan's major product. Maintained team's dashboards that span across 1000 metrics and 20+ cohorts.- Provided regular operational analysis from 20 data dashboards weekly, formulate marketing strategy and insights for leadership and handled ad-hoc analysis requirements.- Key developer in SaaS's transition to subscription business model, built data model to provide forecast for budget and market sharing. Made key adjustment and iterations on existing system according to the transition.- Took ownership and built critical metrics and dashboards that projects the organization's top-line metrics for senior leadership, enabled new triage and optimization workflow for operational and sales team. - Drove automation of 150+ core attributes. Refactored legacy data pipelines and cleaned database schemas.- Maintained strong relationship with business stakeholders, project managers and engineers.

- Provided data analytic support for sales and operation teams in one of Didi's new overseas markets.- Designed health metrics and implemented monitoring system for three critical data sources: referral growth, onboarding verification data and onboarding conversion rate.- Built and maintained automated reports and visualization dashboards for inspection, early detection and troubleshoot.- Provide technical documentation and training on understanding and utilizing the monitoring system to operation team.

- Built retail and coupon database and pipeline. Established the dictionary of metadata for further business analysis.- Constructed and regulated retail data warehouse containing more than 200k records using Hive, which supported operational analysis of 2700 stores in China.- Maintained the database and updated data on a daily basis using SQL, Python and data cleansing technology.