Senior Data Modeller (Python)

Quick Facts

• Role: Senior Data Modeller (Python)

• Work model: Hybrid (3 days/week in the office)

• Location: Gdańsk/Gdynia or Warsaw

• Workload: Full-time (40 h/week)

• Rate: Up to 140 PLN/h

Description

Design and maintain data models for credit and financial data processes, translating business requirements into scalable solutions and ensuring accurate data flows between systems.

Define and manage data mappings across multiple systems while maintaining data quality, consistency, traceability, and auditability across the solution landscape.

Responsibilities

• 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 between multiple systems to ensure accurate data integration and transformation

• Ensure data quality, consistency, traceability, and auditability across the solution landscape

• Collaborate with business stakeholders, architects, and development teams on end-to-end solution design

• Prepare and maintain technical documentation and functional specifications

• Support process optimisation and automation using AI-assisted tools

• Take part in solution implementation, testing, 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 and process modelling

• Experience ensuring data quality, consistency and governance standards

• Strong analytical and problem-solving skills

• Experience working directly with business stakeholders and translating their requirements into technical solutions

• Fluent English (written and spoken)

Benefits

• Hybrid work model (3 days/week in office)

• Full-time role (40 h/week)

• Rate up to 140 PLN/h