ETL Developer for Banking Data Warehouse

Sii Polska; Polska; Remote; PLN 60,000 - 90,000; Full time

Job summary

Sii Polska in Poland is seeking an ETL Developer to join a data-focused banking project. You will work with ETL processes, data flows, and data warehouse solutions, using SQL to transform data and support reporting needs.

A capable candidate with at least 2 years of commercial ETL experience who wants to deepen technical skills in a banking context and collaborate with a skilled team will fit well. Fluency in Polish and English is valued for stakeholder communication.

Qualifications

• At least 2 years of commercial ETL-focused experience.
• Hands-on SQL skills for data extraction and transformation.
• Familiarity with ETL processes and data transformation.
• Basic understanding of data warehouse concepts.
• Understanding of data processing and data integration.
• Strong English communication skills.
• Fluent Polish language proficiency.
• Residency in Poland.

Responsibilities

• Develop and maintain ETL processes and data flows.
• Write SQL queries for data extraction, transformation, and loading.
• Integrate data from diverse sources into the data warehouse.
• Transform and prepare data according to defined requirements.
• Support and monitor existing data processing solutions.
• Issue identification and resolution in data processing tasks.
• Ensure data quality, integrity, and consistency.
• Collaborate with team members on data solutions.

Skills

ETL development

SQL

ETL processes

Data warehouse concepts

Data processing

English

Polish

Tools

Teradata

Job description

Sii Polska in Poland is seeking an ETL Developer to join a data-focused banking project. You will work with ETL processes, data flows, and data warehouse solutions, using SQL to transform data and support reporting needs.

A capable candidate with at least 2 years of commercial ETL experience who wants to deepen technical skills in a banking context and collaborate with a skilled team will fit well. Fluency in Polish and English is valued for stakeholder communication.