Olszeolsze
Work
Data 2022-2025 · Delivered · Data consultancy

First professional experience

Data analyst at BI consultancy

Four years as a data analyst at a BI consultancy: Qlik and Power BI dashboards, ETL processes, app maintenance and optimization, and user support across multiple environments.

The problem

Work performed as a data analyst prior to the founding of Olsze, within a consultancy delivering BI services to end clients across multiple industries.

The solution

Interactive Qlik and Power BI dashboards, app maintenance and performance optimization, ETL processes to ensure data integrity and availability, creation of Data, Stages and Applications in Qlik, incident support across multiple environments, dashboard modeling for effective visualization, and direct user communication to understand and translate business needs.

Tech stack

  • Qlik
  • Power BI
  • SQL
  • ET ETL

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