Data Analyst
4 dni temu
BI Specialist/ QA Specialist for Data Solutions
Wrocław (2 days from office)
Description:
BI Specialist working 50% as a QA specialist for data solutions. Working in Logged Data Analysis team with telematic data from vehicles. On this position you will deal with large volume of data, multiple data sources, complex BI solutions. Tech stack: MS SQL Server, QlikView, Qlik Sense, Power BI. Within a year team is moving to cloud solutions (Azure, Databricks).
Responsibilities:
- Knowledge of writing SQL:
• Creating new procedures that meet business requirements.
• Ability to read and understand existing procedures written by data engineers.
• Testing procedures, comparing results, identifying anomalies in the code that lead to incorrect data outcomes. - QlikSense/QlikView:
• Ability to assess data quality at each stage of extraction (understanding the transformation process: database – QVD – application).
• Ability to identify gaps in the extraction and transformation process.
• Basic knowledge of writing scripts in QlikView/QlikSense (application backend).
• Ability to create intuitive visualizations according to needs (application frontend). - Basic knowledge of writing queries in PySpark:
• Possibility of conducting tests on Databricks on Azure. - Knowledge of Power BI:
• Ability to optimize and test reports to ensure high performance and data accuracy. - Communication and problem-solving skills:
• Cooperation with business analysts and BI development team.
• Working with business requirements.
- Knowledge of writing SQL
- Knowledge of QlikSense/QlikView
- Basic knowledge of writing queries in PySpark
- Knowledge of Power BI
- Communication and problem-solving skills
- Very good English communication skills
- Ability to work with business requirements
- Attention to details
- Problem-solving skills - Ability to trace the root cause of a data issue
- MultiSport Plus
- Group insurance
- Medicover Premium
- e-learning platform
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