His responsibilities were building an info center system in the ECS team. The ECS Info Center was a collection of the data models, web services and tools aiming to serve the internal or external users.He developed models to support infrastructure team, operation team, customer service team, and financial team.He developed multiple tools in Java and Python to make the data available to users.He built a multi-dimension cubing tool based on the Max Compute (AKA… Show more His responsibilities were building an info center system in the ECS team. The ECS Info Center was a collection of the data models, web services and tools aiming to serve the internal or external users.He developed models to support infrastructure team, operation team, customer service team, and financial team.He developed multiple tools in Java and Python to make the data available to users.He built a multi-dimension cubing tool based on the Max Compute (AKA ODPS, derivated from Hadoop ) and Column Store engine to accelerate the data accessing.He designed a predictive model to help the operation team to forecast the annual income to support their plan. Show less

His responsibility was to develop and maintain the internal BI and Big Data platform.Due to the technical debt, he supported 6 platform tools using 6 different technology including backend and frontend (Java, PHP, Python, Nodejs, angularjs, and Recat). He needed to fix bugs and develop new features.He was a member of SQL on Hadoop project to develop an ad-hoc query engine based on Spark SQLusing Scala. He investigated the source code of Spark SQL and read the paper to get the… Show more His responsibility was to develop and maintain the internal BI and Big Data platform.Due to the technical debt, he supported 6 platform tools using 6 different technology including backend and frontend (Java, PHP, Python, Nodejs, angularjs, and Recat). He needed to fix bugs and develop new features.He was a member of SQL on Hadoop project to develop an ad-hoc query engine based on Spark SQLusing Scala. He investigated the source code of Spark SQL and read the paper to get the theory of analytical database. He developed a BloomFilter Index for parquet and improved about 25% of the performance. Show less

His responsibility was to implement data related projects for domestic clients and overseas clients.He implemented a couple of projects including data warehousing, reporting, data government, and MDM.As a technical leader, he worked 9 months in New York to implement an MDM system on site. He coordinated the offshore team members' work and reporting to the onsite project manager.

His responsibility was implementing the data warehouse and the reporting system for IBM's client by using SAP BW and SAP BO.Besides, he used IBM Cognos to implement a reporting system for IBM's client.

His responsibility was implementing the data warehouse and the reporting system for Wilmar group by using SAP BW and SAP BO.