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Senior Data Modeller – Data Vault & Data Warehouse

This position is no longer accepting applications(closed Aug 16, 2026).

Summary

Design resilient data models (Data Vault, Star Schema, 3NF) to power analytics and insights for a leading data-solutions provider in Krakow.

Ignite the future of data architecture — craft resilient models that power strategic insights!

Krakow-based opportunity with hybrid work model (up to 3 remote days/week).

As a Senior Data Modeller, you will be working for our client, a leading organization in data solutions, dedicated to transforming complex data into actionable analytics. Your expertise in designing robust data models will support their analytical platform and drive impactful decision-making, contributing to 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 (e.g., JSON, 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: (optional)

  • Experience with cloud data solutions (AWS, Azure, Google Cloud).
  • Python scripting skills.
  • Familiarity with big data technologies such as Hadoop or Spark.
  • Knowledge of banking industry models and enterprise data standards (e.g., BIAN, FSDM, FIBO, 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 for this role.

#MAKEYourCareerBETTER

Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

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