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September 2, 2026
Senior Data Modeller – Data Vault & Data Warehouse
Senior • On-site
19,530 - 23,520 PLN/yr
Krakow, MA, Poland
Apply now
Ignite the future of data architecture — craft resilient models that power strategic insights!
Hybrid work model with up to 3 remote days per week.
Description
As a Senior Data Modeller, you will design robust data models that support an analytical platform, transform complex data into actionable analytics, and enable impactful decision-making, innovative data strategies, and enterprise growth.
Your main responsibilities
- Design and develop conceptual, logical, and physical data models to meet business, operational, and analytical requirements.
- Collaborate with stakeholders and business analysts to translate requirements into efficient data modelling solutions.
- Work closely with data architects and data engineers to ensure data structures facilitate high-quality data products.
- Participate in architecture discussions to align with data design standards and best practices.
- Stay current with emerging data technologies, trends, and industry developments to continuously improve processes and automation.
- Assist in ensuring data quality, integrity, and adherence to governance principles through design and review.
You’re ideal for this role if you have
- At least 5 years of experience in data modelling for operational and analytical systems.
- Strong proficiency in Data Vault 2.0, Star Schema, and 3NF modelling techniques.
- Hands-on experience with data profiling and analysis on relational and hierarchical data formats, such as JSON and XML.
- Excellent communication skills to convey complex concepts to diverse stakeholders.
- Solid understanding of data governance, data quality standards, and data protection measures.
It is a strong plus if you have
- Experience with cloud data solutions: AWS, Azure, or Google Cloud.
- Python scripting skills.
- Familiarity with big data technologies such as Hadoop or Spark.
- Knowledge of banking industry models and enterprise data standards, such as BIAN, FSDM, FIBO, and SWIFT.
Language required for the role
- English — communicative proficiency.
Eligibility for the role
- Only candidates with an existing legal right to work in the European Union will be considered.
Apply with your CV, preferably in English, along with a statement confirming consent to the processing and storage of personal data.
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