[Directed] Trained three new colleagues to monitor the game system and support connection, bug issues. [Leadership] Assigned the daily work to three members and avoided duplicate efforts and took responsibility for their performance. [Cooperate] Led the colleague to negotiate with the client about system integration requirements and report the schedule. [Software develops] Created a gaming platform, through the API connected to provider's games, with Node js., HTML and MySQL. [Problem-solving] Simulated clients' integration problems with the gaming platform and assisted them, resulting in a 30% reduction in customer complaints. [Data warehouse] Extracted, transformed, loaded data from MySQL databases, and planned the period archive. [Communication]Collaborated with different gaming providers’ tech departments to align on KPIs to monitor.

[Data engineers] Used the data index and sorting the original data to transfer the daily original invoice data, 1TB, in Hadoop to the structure data in Vertica, resulting in a 200% increase in the speed of transformation. [Data reconstruction] Analyzed txt unstructured data to transfer into the structure data and stored in Hadoop, resulting in 50% less storage usage . [Report and dashboard] Automated report for the marketing department using MySQL, Trinity, and PowerBI.