• Build data warehouse architecture from data collection to visualization and modelling. Coordinate activities with data source application owners to ensure integration with data warehouse and source systems.• Provide OLAP (Online analytics processing) for Product teams and Marketing team to run their business.• Build cohort analysis and cohort dashboard(Retention, LTV,...) in OLAP.• Build Databook that manages and surfaces rich metadata about Company’s datasets, enabling employees to explore, discover, and utilize data effectively.• Forecast and warn Marketing performance.• Increase company profits by optimizing products and marketing via suggestions and A/B testing.• Give suggestion to optimize User journey including Marketing and Product side.• Answer the question “Where does user drop?” and find the solution. • Find user’s characteristic that lead to making purchases in app and create the event trigger to run CPA campaigns, LAL campaigns.• Report and warn BOM about Business’s status.• Share knowledge and know-how across different teams in the company.• Coach, develop and support the team to continuously improve pricise, efficiency of data.

• Maximize Marketing strategic approaches by keeping close eyes on performance and making appropriate adjustments.• Use SQL, Python to query data and make reports for company about metrics of product and marketing.• Give suggestion to optimize User journey including Marketing and Product side.• Acquire user from Facebook ADs, Google ADs, Ironsource, Unity,...