Andrzej G.
BI Consultant
He is highly proficient in Power BI, SQL Server, Azure Synapse, Data Factory, and Data Lake, with deep expertise in DAX and MDX for creating robust, insight-driven data models.
He led the migration of an on-premises reporting platform at Exclusive Networks, transforming their SQL Data Warehouse and QlikView infrastructure into a scalable Azure Synapse and Power BI solution used globally.
Andrzej excels at translating complex technical data into actionable business insights, making him a valuable contributor to data-driven strategies and decision-making.
Main expertise
SQL15 years
Microsoft Power BI5 years
ETL15 years
Data Analytics15 yearsExperience3
Senior Global BI Developer
- Led the migration of an on-premises reporting service to Microsoft Azure, utilizing Synapse Analytics and Power BI to enhance cloud-based analytics and performance.
- Implemented governance and monitoring frameworks to ensure data quality, security, and performance.
- Developed and maintained a data warehouse, integrating it with ERP systems to provide seamless reporting solutions.
- Supported users across 40+ countries, ensuring the smooth integration of local ERP systems into a global solution.
Qlik View
Qlik Sense
MSSQL
T-SQLSQL
BI Consultant
- Designed and developed OLAP multidimensional and tabular cubes to support business intelligence and financial performance measurement.
- Created Power BI reports and dashboards using deployment pipelines and DataFlows, enhancing forecasting, cost accounting, and billing processes.
- Optimized data load times, reducing the monthly cost accounting process from 8 hours to 20 minutes.
- Implemented a metadata-driven approach for ETL development, improving efficiency and scalability.
- Supervised junior developers and trained end users to maximize the effectiveness of BI solutions.
Qlik ViewQlik SenseMSSQLT-SQLSQLDWH Developer - Freelance
- Developed data warehouses using MS SQL Server.
- Designed and implemented OLAP cubes with SSAS.
- Managed ETL processes using SSIS.
MSSQLT-SQLSQL
Data Engineering
JiraAssessments
Engineering excellence
Andrzej’s overall performance in a 90-minute live technical assessment ranks in the top 25% of vetted BI Consultants at Proxify.
Certificates 7
Issued Mar 2025
MSSQLSQL
Azure Blob storageMicrosoft Power BI
Azure Data Factory
GitData Analytics
Azure Synapse
Data ModelingETL
Dimensional Modeling
Fact Data Modeling
Azure StackIssued Dec 2021
MSSQLSQLAzure Blob storageAzure Data FactoryAzure SynapseETLAzure Stack
Issued Mar 2025
MSSQLSQLAzure Blob storageMicrosoft Power BIAzure Data FactoryGitData AnalyticsAzure SynapseData ModelingETLDimensional ModelingFact Data ModelingAzure StackEducation
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