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Andy Tanuwidjaja is a seasoned finance system developer with extensive experience in business process improvement, data architecture design, and analytics. Currently serving as a Senior Finance System Developer at Australia Post since April 2014, Andy specializes in visual analytics and reporting design using Tableau, as well as activity-based management and costing development. Prior experience includes a role as Senior Analyst - Strategic Cost at National Australia Bank, focusing on data analytics and profitability model implementation. Earlier, Andy worked as a Senior Research Analyst at The Portland House Group Pty. Ltd., where responsibilities included quantitative algorithmic trading research and large-scale data processing using Python and Hadoop. Andy also holds a course certification in Applied Machine Learning from Columbia Engineering Executive Education, completed in 2019.