11/11/2026 updated


100 % available
BI and Data Warehousing Consultant
Warszawa, Poland
Only remote
Master of Science (Computer Science; specialization: Databases)About me
Senior professional specializing in data modelling and data warehouses architecture plus MicroStrategy (recently renamed to StrategyB) product suites. For 15 years, I have been working with MSTR/BI as well as backend software solutions (DWH, relational databases, ETL).
Business IntelligenceBig DataData ArchitectureData IntegrationExtract Transform Load (ETL)Data TransformationData WarehousingDB2 SQLPython (Programming Language)MicroStrategySolution ArchitecturePL-SQLSQL DatabasesSQL Server Integration ServicesTransact-SQL
Business Intelligence and Data Warehousing
Extensive expertise in MicroStrategy platform architecture, development, optimization and administration with 15 years of experience in BI software solutions and backend systems
ETL Development and Data Integration
Advanced skills in ETL design and development using SQL Server Integration Services, Informatica, Oracle Data Integrator and SQL procedures for data transformation and loading processes
Database Management and Programming
Comprehensive knowledge in SQL Server, Oracle, DB2, Teradata database development, administration and optimization combined with programming skills in PL-SQL, T-SQL, Python and Java
Cloud Technologies
Experience with Azure and AWS cloud providers, concepts and environments including Snowflake cloud solutions
Big Data Solutions
Knowledge of Hadoop with Hive or Impala for big data processing and analytics
DevOps and Version Control
Proficiency in GIT, Gitlab, CI/CD processes for software development lifecycle management
Operating Systems Administration
Linux command line operations, bash scripting and Windows system administration
MicroStrategy Specialized Features
Advanced schema design, performance tuning, REST API development, report and dashboard creation, transaction services and conversions
Project Management and Consulting
End-to-end project implementation, client requirement gathering, solution architecture design and team leadership capabilities
Extensive expertise in MicroStrategy platform architecture, development, optimization and administration with 15 years of experience in BI software solutions and backend systems
ETL Development and Data Integration
Advanced skills in ETL design and development using SQL Server Integration Services, Informatica, Oracle Data Integrator and SQL procedures for data transformation and loading processes
Database Management and Programming
Comprehensive knowledge in SQL Server, Oracle, DB2, Teradata database development, administration and optimization combined with programming skills in PL-SQL, T-SQL, Python and Java
Cloud Technologies
Experience with Azure and AWS cloud providers, concepts and environments including Snowflake cloud solutions
Big Data Solutions
Knowledge of Hadoop with Hive or Impala for big data processing and analytics
DevOps and Version Control
Proficiency in GIT, Gitlab, CI/CD processes for software development lifecycle management
Operating Systems Administration
Linux command line operations, bash scripting and Windows system administration
MicroStrategy Specialized Features
Advanced schema design, performance tuning, REST API development, report and dashboard creation, transaction services and conversions
Project Management and Consulting
End-to-end project implementation, client requirement gathering, solution architecture design and team leadership capabilities
Experience
Professional experience10+ years
Freelancer since2022
Languages
EnglishFluentPolishNative speakerSpanishGood
Project history
Analysis, preparation and building of BI MSTR solution on top of SAP Hana working system for big data analytics
Administration, maintenance, configuration and performance tuning of MicroStrategy environments with automation of processes using REST API and python scripts
Providing consulting services for MicroStrategy platform implementation, development and optimization across multiple client projects
Certificates
Level 3 Spoken English For Industry and Commerce
LCCI - London Chamber of Commerce and Industry2011