Über Ioannis
Englisch
Verhandlungssicher
Französisch
Grundkenntnisse
Griechisch
Muttersprachlich oder zweisprachig
Projekt- und Berufserfahrung
- Natural Gas - Hellenic Energy CompanyData & BI Team LeadSeptember 2023 - Heute (2 Jahre und 9 Monate)• Leading a cross-functional team to ensure alignment and coordination across project deliverables.• Overseeing the technical design and implementation of scalable ETL workflows.• Troubleshooting and optimizing large-scale ETL jobs to handle high-volume and mission-critical data.• Developing insightful reports for executive management to support data-driven decision-making.• Designing, implementing, and customizing interactive BI reports and dashboards tailored to business needs.• Administering and optimizing ERP modules to improve operational efficiency.
- Alpha BankSenior Data EngineerFebruar 2023 - August 2023 (6 Monate)• Collaboration and guidance from Data Custodian in projects which relate to the quality of Data.• Collaboration with Database Developers to implement efficient processes.• Development and implementation of scripts for data management and review of ETL processes.
- Natural Gas - Hellenic Energy CompanyData, BI & ERP EngineerJanuar 2018 - Februar 2023 (5 Jahre und 1 Monat)• Creation of dashboards and KPIs to show the business performance to management.• Creation of ad-hoc and scheduled reports for business users.• Design, build, test and deployment of ETL processes.• Involved in the setup of Data Warehouse.• ERP administration and customization of ERP components.
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Ausbildung und Abschlüsse
- Diploma in Computer Engineering and InformaticsPolytechnic School of the University of Patras2011Diploma in Computer Engineering and Informatics