Data Integration / ETL Developer

ASTEK Polska is recruiting for a Senior Data Integration / ETL Developer role involving projects in the banking and financial sector.

• Experience in integration projects
• Experience integrating systems via REST API
• Knowledge of API authorization methods and error handling
• Strong knowledge of ETL processes
• Advanced SQL skills
• Proficiency in Python, especially Pandas
• Very good English language skills

Nice to have:

• Experience with IBM DataStage
• Experience with Apache Airflow, Unix/Linux Shell scripting, Data Warehouse, dimensional modeling
• Experience in the banking or financial sector

• Design, develop, and maintain ETL processes in IBM DataStage
• Build and maintain workflows in Apache Airflow
• Integrate banking systems and external systems via REST API
• Analyze business and technical requirements related to data flow
• Ensure data quality, security, and compliance with banking sector requirements
• Test, deploy, and optimize integration solutions
• Collaborate closely with architectural, business, and technical teams