Position: Senior Oracle/ETL Developer
Category: SQL
English level: upper
Years of experience: 7

Building DWH for the leader of the Ukrainian telecommunications company. DWH includes full complex (ODS + DWH + BI). The data in DWH was loaded from different sources (Billing, CRM, BPM Systems). The ETL process was divided into two stages: the first includes loading data “as is”; the second one includes modification and verification of ODS data and loading it into dimension and fact tables in DWH. The BI aspect of the project included implementation of feeds for OLAP system, automation of gathering data for financial analytics like KPIs, implementation of business models for BI tool and development of financial reports.
•	9 + years of professional expertise in the Information Technologies (IT) industry;
•	Rich experience in database/ETL development;
•	Domains of experience: financial and telecommunications;
•	Development & expertise highlights:
o	Database modeling and development (Oracle DB, Oracle Exadata);
o	Data integration and ETL processes design (Informatica PowerCenter);
o	SQL, PL/SQL coding;
o	Database performance analysis and tuning;
o	Reporting systems (Business Objects, OracleBI Discoverer, OracleBI EE)
o	QA, Automation tests creation.