Senior Data Modeller (Python)

Location: Hybrid, 3 days per week in the office in Gdańsk, Gdynia, or Warsaw, Poland

Rate: up to 140 PLN/h

Company

hirify.global is a recruitment and consulting company providing HR and IT services, including project-based and permanent opportunities for clients in Poland and abroad.

What you will do

• Design and maintain data models supporting credit and financial data processes.
• Analyse business requirements and translate them into scalable technical solutions.
• Define and manage data mappings across multiple systems for accurate integration and transformation.
• Ensure data quality, consistency, traceability, auditability, and governance across the solution landscape.
• Collaborate with business stakeholders, architects, and development teams on end-to-end solution design.
• Prepare technical documentation and support implementation, testing, process optimisation, automation, and continuous improvement.

Requirements

• Extensive experience in data modelling and solution design.
• Strong SQL skills and hands-on experience with relational databases.
• Good programming skills in Python.
• Experience with data integration, transformation, and data mapping across multiple systems.
• Understanding of APIs, system integrations, process modelling, data quality, and governance standards.
• Fluent English, both written and spoken.

Nice to have

• Knowledge of Kafka or Power BI.
• Familiarity with Java development and data warehouse architecture.
• Experience using AI tools for documentation, testing, data analysis, or development support.
• Experience in banking, finance, regulatory reporting, credit risk, rating, or financial statement data domains.

Culture & Benefits

• Full-time workload of 40 hours per week.
• Hybrid work model with regular office presence.
• Cooperation agreement signed directly with hirify.global as the recruitment and contracting party.
• Opportunity to work on banking and financial data processes.