Understanding of tag management platforms, tagging implementations and QA process Experience with AB and multivariate testing and improving performance through optimizations Proficiency with advanced Excel formulas, tables, charts, pivot tables, macros, VBA Experience with marketing and customer data identification, analysis, manipulation Experience with database query tools such as Oracle SQL Developer, Toad, Hue, Snowflake, and related query languages (SQL, Impala, Hive, etc