Aggelos Chatzidimitriou

Experience

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  Notos Com. Holdings S.A.

  Jul 2018 - Jun 2021

  Management Information System BI Developer

  - Building and maintaining the self-service BI applications that will inter-operate with data warehouses and other BI solutions.- Experience in working with packages for data extraction and generating reports for business users.- Working with the principal developers to design, develop and deliver an entire application, i.e., interface, ETL, extract and BI applications.- Ensuring accuracy and integrity of data and applications through analysis, coding, profiling and problem resolution.- Interacting with users and deliver the results up to their requirements.- Extensively involved in resolving the daily issues in the daily doc production environment.- Helping users in understanding web and run reports against the universe Show less

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  Ambience Services

  Jun 2021 - Sept 2022

  Management Information System BI Developer

  -Developed a large number of BI reporting tool suites.-Provided technical oversight to clients.-Participated in planning and implementation of product roadmap-Developed, identified, designed, built, tested, optimized, and maintained a Data Warehouse using T-SQL-Key contributor to design phase to help complete the redesign of a business partner SQL Server Data Warehouse.-Created and maintained data visualizations that educated, informed and engaged business partners on key metrics and performance measures.-Collaborated with enterprise data warehouse, data governance, and business teams on data quality issues, as well as architecture or structure of data repositories.-Interacting with users and deliver the results up to their requirements. Show less

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  THEON INTERNATIONAL

  Sept 2022 - now

  Business Intelligence Engineer

  - Designed customized data models for specific visualization tasks, optimizing performance and tailoring data collection for detailed reporting across departments.- Developed and implemented intelligence-sharing dashboards, enabling organization-wide access to critical business metrics through Power BI and other visualization tools.- Collected and integrated data from a diverse range of sources, including Azure SQL Database, Excel, and Microsoft Dynamics D365, ensuring accurate and reliable inputs for analysis.- Consulted with users in supply chain management (SCM) to identify and document key requirements, providing tailored reporting solutions that offer real-time insights into procurement, logistics, inventory management, and demand forecasting.- Developed reports by gathering input from cross-departmental users (including procurement, operations, and logistics teams) and transforming complex supply chain data into intuitive, actionable insights.- Contributed to team discussions and strategy meetings, sharing innovative ideas to enhance report functionality and streamline reporting processes to meet deadlines and business goals.- Maintained and enhanced existing reports, resolving bugs and adding new metrics, KPIs, and DAX functions for dynamic updates and refined performance tracking.- Migrated legacy Excel-based reports to Power BI, improving automation, efficiency, and data accuracy while training users on how to navigate and interact with Power BI dashboards.- Provided daily support to users of Microsoft Dynamics D365 in supply chain management (SCM), ensuring smooth system operation, troubleshooting issues, and optimizing the integration of BI tools with SCM processes.- Advised supply chain users on how to use business intelligence tools to monitor key performance indicators (KPIs), reduce operational inefficiencies, manage supplier performance, and improve inventory control through data-driven insights. Show less