Daurenzhan Zarpen
Portfolio
Zentist
- Developed and maintained reports and dashboards using Holistics.io, presenting data in a clear and actionable manner for stakeholders. - Performed regular quality assurance checks on data sources, optimizing SQL scripts and troubleshooting errors to ensure data accuracy. - Conducted in-depth research and analysis of data anomalies, identifying key issues to minimize risks and improve decision-making.
Philip Morris Kazakhstan
- Designed and implemented robust data systems, using MS SQL Server and Python to troubleshoot errors and ensure data accuracy. - Sourced and integrated data from primary and secondary sources, maintaining data integrity and supporting ongoing data-driven decision making. - Created comprehensive documentation and data dictionaries to enable easy replication of analyses and collaboration across teams. - Developed interactive dashboards and visualizations using Power BI, providing stakeholders with real-time insights to drive data-driven decision-making across the organization.
Philip Morris Kazakhstan
- Collecting and analyzing market and consumer information to support development of relevant business strategies. - Designing and leading agile research to inform key business decisions. - Optimizing existing reporting and dashboards to improve data insights. - Migrating reports and dashboards to Power BI service to reduce data usage and increase refresh rate.