Senior Data Python Engineer (Fintech)

Location: Hybrid from Gdynia, Gdańsk, or Warszawa, Poland, with 2–3 days per week in the office

Salary: 1,000–1,200 PLN per day on a B2B contract

Company

hirify.global is a Polish IT services company delivering specialised technology projects for international clients, including financial services organisations.

What you will do

• Design, develop, and maintain data models for credit risk and financial data processes.
• Analyse business requirements and translate them into scalable, reliable technical solutions.
• Define and manage data mappings, integrations, and transformations across multiple systems.
• Ensure data quality, consistency, traceability, auditability, and governance.
• Collaborate with business stakeholders, architects, and development teams on end-to-end solution design and implementation.
• Prepare technical documentation and support testing, process optimisation, automation, and continuous improvement using AI-assisted tools.

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, written and spoken, is required.

Nice to have

• Knowledge of Kafka, Power BI, or Java.
• Understanding of data warehouse concepts and 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

• Flexible hybrid work organisation.
• International environment with daily use of English.
• Scandinavian work culture focused on work-life balance and feedback.
• Financed training and professional development opportunities.
• Regular integration meetings and access to the Jit professional community.