Data Analyst
B
B2BnetworkBanking risk
Workplace type: remote; Locations: Warszawa, Polska, Kraków, Polska, Katowice, Polska, Warszawa, Country code: PLContractSenior
Salary100 - 130 PLN per hour net b2b
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Job Details
- Languages
- Pl C1
- Experience
- Minimum 5 lat doświadczenia w roli Analityka Systemowego, Analityka Danych, Analityka DWH lub na zbliżonym stanowisku
- Required Skills
- PythonSQLOracleSpark
Requirements
- Have at least 5 years of experience as a Systems Analyst, Data Analyst, DWH Analyst, or in a similar role.
- Have experience in banking-risk or financial/regulatory-risk projects.
- Have strong practical knowledge of Oracle and PL/SQL.
- Have experience working with large data volumes, reaching millions of records.
- Have practical knowledge of Source-to-Target mappings.
- Have experience analyzing data flows and transformations.
- Understand the business meaning of data and parameters.
- Have experience in a Data Warehouse environment or data-intensive projects.
- Be able to prepare analytical and technical documentation.
- Hadoop/Big Data, Python, Apache Spark, Apache Airflow, REST API, JSON/XML, and Docker/OpenShift are nice to have.
Responsibilities
- Analyze large datasets in an Oracle environment using SQL and PL/SQL.
- Analyze data flows between source systems, data warehouses, risk calculators, and reporting systems.
- Design Source-to-Target mappings.
- Define data transformations, business rules, and validations.
- Assess data quality, completeness, and consistency.
- Identify sources of data errors and discrepancies.
- Prepare analytical and technical documentation.
- Collaborate with architects, developers, DevOps, and business analysts.
- Participate in designing changes and preparing proofs of concept.
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