Bahri Buyukboga

Analysis and development of Fraud datamart for a telecom company. Improved performance and stability of database systems. Investigated and implemented solutions for data quality issues. Created PL/SQL scripts. Maintained documentation for technical systems.

Designing and Developing ETL, tuning ETL codes, data modelling

Designed and developed datamarts by using PL SQL . Have worked as an architect and developer on data migration projects. Data migration from MS SQL server ,MS access ,text files to Oracle Database.

Experience in Data Warehouse Projects; Physical and Logical Dimentional Data Model design, designing ETL ( Enterprise DWH , Datamart). Experience in ETL tools, developing & optimizing ETL processes ( informatica, Ab-initio, ODI ).Worked on Oracle. Experience about effective people management and leading development team. Data Migration Projects , DWH projects and a Compensation management project. Experience in Siebel(EIM), Stored Procedure development on Oracle.

Developed Stored procedures(Atm management, invoice printing systems). Experience in oracle12c, oracle11g RAC,oracle10g RAC( Database Logical design, Physical Layout design, Database Performance tuning, Backup and Recovery processes, Space management and User management, technical support to development team), experience in oracle asm and HACMP AIX. Experience with Oracle Dataguard , Physical Standby Databases, Oracle replication (oracle 11g), ODA Sun solaris,Linux, AIX Developing shell scripts

Designing Betting Data structure and Physical data model. Analysis, Design and development of Campaign Management System. Developed many database program units, developed stored procedures; billing and charging systems , SQL tuning . Administration of Oracle Database systems.

Experience in Customer data cleansing and data reconciliation processes. Managed the Projects(CRM, ERP) and leaded team. Experience in ERP projects (Analysis, Design, Development). Experience in Datawarehouse Projects; Designing Database Structure, Physical and Logical Dimentional Data Model design, designing ETL. Experience in CRM, Customer Segmentation, Campaign Management(Analysis,Design,Development), designing CRM reports. Designed and managed Retail ERP projects (Oracle Forms, Reports, JSP,Java)