工作职责： Translate business requirements into potentially complex technical solutions that meet or exceed those business needs Design, develop, and maintain extraction, transformation, and load (ETL) routines for importing data from heterogeneous data sources into the data warehouse using SSIS packages and Informatica workflows. Optimize T-SQL code Optimizing and improving the Performance of existing ETL (Informatica), data warehouse and Business Intelligence applications Ensuring that the development of ETL, Data Warehouse and Business Intelligence solutions follow the establish business process. Ensure smooth functioning of our development, QA, staging and production ETL processes Document all ETL related work per companys methodology Maintain existing code and fix bugs whenever needed Be able to develop Ad-hoc data requests against Data Warehouse. 岗位要求： Education: Bachelor’s degree, preferably in Computer Technology Experience: 5+ Years SQL Server Developer experience is a MUST 2+ Years of Data Warehouse, ETL design and architecture experience Experience with large databases with high transaction volume in a fast-paced, production environment Experience in developing, tuning, managing, maintaining and administering reports Real-world experience in implementing large scale databases and data warehouses Skills & Knowledge: Strong Relational and Data Warehouse design and implementation skills, with full understanding of the underlying fundamentals Strong in Informatica design and development Superb knowledge of Microsoft SQL Server, RDBMS, and Cube Design Expert in SQL Coding Expert in Query Performance Tuning Excellent problem-solving skills, a self-starting attitude and good communication skills are essential. Expert in T-SQL language Strong Data Modeling Experience Knowledge in MicroStrategy is a plus