Tomasz Dykla

Senior Business Intelligence Consultant with experience in Data Warehouse ETL Processing mainly in Telco Industry.
Architect and team leader in various business intelligence projects (done on Teradata and Greenplum appliance databases):
+ design and implementation of all data warehouse layers
+ CDR's, segmentation, revenue assurance/fraud detection systems (in areas of: content, interconnect and service provisioning, FCT fraud detection – offline and online), KPI
+ Data marts for reporting and analytical purposes (including, but not limited to geomarketing, revenue calculation, LTV analysis)
+ meta-data design, organization and management
+ ETL Processes Management Solution (including dynamic scheduling, execution monitoring, failure detection and meta-data integration)
+ on-line an near-time systems working with DWH
+ marketing consents issues

2015:
+ Architect of new Data Warehouse designed for Telco CDR's collection and analysis.Project included:
+ design and implementation of all data warehouse layers
+ own ELT solution for near-time data loading.
+ DW Implementation basing on EMC Greenplum DB (first implementation in PL)
+ strong use of Hadoop with its ecosystem tools for early staging and data analysis

2014:
+ POC of GREENPLUM database in telco sector. Design, implementation and tuning of key bussiness processes

2012-2014:
+ Senior Consultant in Energy Sector biling subjects.
+ CC&B model knowledge.
+ Migration into CC&B from number of former biling systems.

2010-2012:
+ Siebel CRM and Marketing Data Mart designer and team leader
+ maintaining Siebel MDM load process
+ populating DWH with Siebel marketing data

2007-2010
Architect and team leader in various business intelligence projects for Telco sector (done on Teradata)

2003-2007
Consultant and programmer in various business intelligence projects for Telco sector (done on Sybase and Teradata)

Creation of commission calculations systems for telecom dealership (business customers).
Integration with telecom operator interfaces (in and out).
Detection of frauds an mistakes in operator and partners commission calculations.

Initially - support and maintenanance of sales and commission systems (based on VB6 and about 20 MS Access relocated databases with replication) in telco brand (telecom dealership).

After strong customer expansion - leader of new store and sales system with central databse accessed by internet(SSL) with thin client - self extracting and installing directly from web. Implemented in .NET and MS SQL Server database.
100% responsible for initial analysis/design and data migration for the complete first phase, as well as for good customer relationship and succesfull implementation.

Database Specialist (Sybase, MS SQL), data integrator and database servers administrator (AIX) in polish customs department.
Implementation of ZEFIR and CELINA in almost all of polish customs departments.
Knowledge of Sybase ASE and ASA replication technologies.
Building cubes and reports in MS SQL Analysis Services.