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Sii

Data Analyst (f/m/x)

Sii Show all offers
Katowice
Gdańsk
Wrocław
Łódź
+6
1 day ago

In short

Data Analyst needed for a banking sector project. Responsibilities include data analysis, SQL querying, data modeling, and integration support. Requires 2+ years of commercial experience, strong SQL, and understanding of relational databases and data warehouses. Fluent Polish and good English required. Based in Katowice.

Keywords

SQL Data Analysis Data Warehousing Data Modeling ETL Teradata Data Integration

AI-written summary based on the listing content.

We are looking for a Data Analyst with strong SQL skills to join a data-focused project in the banking sector. In this role, you will work with data stored in a data warehouse, analyze and model data, verify data flows, and support the integration of new data sources. This is a great opportunity for someone with at least 2 years of commercial experience in data analysis who wants to further develop their technical and analytical skills in a large-scale data environment.

Your tasks

  • Analyzing data and translating business requirements into data solutions
  • Writing SQL queries for data extraction, analysis, validation, and transformation
  • Analyzing and modeling data available in the data warehouse
  • Mapping data and identifying relationships between different data sources
  • Supporting the integration of new data sources into the data warehouse
  • Analyzing existing data flows and verifying that data is processed correctly
  • Investigating data discrepancies and identifying their root causes
  • Validating data quality, completeness, and consistency
  • Supporting testing of changes introduced within the data warehouse
  • Preparing documentation related to data structures, mappings, and implemented changes
  • Cooperating with business and technical teams to clarify data requirements

Requirements

  • At least 2 years of commercial experience as a Data Analyst, SQL Analyst, Data Warehouse Analyst, or in a similar data-focused role
  • Very good practical knowledge of SQL
  • Previous work in data analysis, data validation, and working with large datasets
  • Understanding of relational databases and data warehouse concepts
  • Ability to analyze data structures, relationships, and data flows
  • Experience in translating requirements into data-related solutions
  • Good analytical and problem-solving skills
  • Good command of English
  • Fluent Polish
  • Residency in Poland

Nice-to-have

  • Experience with Teradata
  • Understanding of ETL processes and data integration
  • Previous work with Data Warehouse (DWH) environments
  • Experience in the banking or financial services sector
Published 2026-11-02
Expires 2027-01-28
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