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Dan Jankowski

Dan Jankowski

Senior Oracle Developer at Societe Generale

London, England

I am a Database Specialist with over 20 years professional experience in database development, consulting and systems integration, specialising in Oracle Database. I am currently the EMEA technical lead for a multi-terabyte data warehouse for Societe Generale, running on Oracle Exadata. I review and optimise high-volume ETL processes and reporting queries, diagnose performance issues with SQL and PL/SQL components, and manage the development and release processes for the EMEA team.

Previously, I was responsible for providing Oracle Database expertise to delivery teams worldwide at BAE Systems Applied Intelligence, specialising in database development, administration, performance tuning, and troubleshooting. I have a broad background in database development and data management, with full project lifecycle experience working with multiple clients in government, financial services, and retail, underpinned by expertise in technologies such as Business Objects and SAS.

I am a certified Oracle Professional, and an active member of the Oracle technical community, participating in technical conferences, user groups and online communities. I write a blog on Oracle-related topics from time to time, which can be found at


  • Head of Data Development (InterAct Systems)
  • Senior Manager, Oracle Database Specialist (BAE Systems Applied Intelligence)
  • Business Objects Developer (Standard & Poor's)
  • Applications Consultant (IBM)
  • Vice President, Senior Oracle Developer (Societe Generale Corporate and Investment Banking - SGCIB)


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