Jacek Marczewski

- Data Warehouse design with dimensional modelling
- building, testing, deploying and maintaining end-to-end BI solutions as per user requirements, including ETL programs (Microsoft Integration Services SSIS), data marts, metrics, KPIs, and reports (MicroStrategy)
- MicroStrategy administration, Developer, Object Manager
- Supports business users on answering complex business questions via BI tools and ad-hoc queries.

- Migration ETL processes from Informatica Power Center 8.6, 9x
- Developing ETL processes Informatica Power Center, Maintain and enhance ETL code, work with the QA and DBA team to fix performance issues and ETL load dependencies,
- Data Warehouse design with dimensional modelling
- Daily operations control, resolving incidents and processing load (service management), HPSM, JIRA
- Database design, build and management, Oracle, MS SQL Server, Stored Procedures, triggers, indexes, UNIX (shell scripts), DWH processes and concepts
- Cooperation in multinational team (direct contact with business, scrums)
- contractor at F.Hoffmann - La Roche

- Business Intelligence technologies knowledge (OLAP, reporting systems, data warehousing, ETL, data mining)
- presenting data warehouse contents (static and dynamic analysis)

- database migration project (Credit card transaction manage system, prepaid and gift card service)
- database administration MSSQL 2000 and 2005
- Integration Services (SSIS), Reporting Services (SSRS)