Senior Data Warehouse Modeller

Quick Facts

• Role: Senior Data Warehouse Modeller (Senior Data Designer)

Description

The Senior Data Warehouse Modeller supports the business by deciding what data should be ingested from source systems into the Enterprise Data Warehouse and how this data should be transformed for reporting and other downstream systems. You are accountable for analyzing and documenting source system data, defining the ingestion method and frequency, and ensuring the target data model is coherent and works with other warehouse data models.

Responsibilities

• Design data warehouse solutions driven by business demand.
• Clarify difficult solution requirements with the business as needed.
• Identify, document, and profile data sources; work with source system and business experts to understand how business processes create and update data.
• Create and maintain logical and physical data models with the Platform Data Architect to fit the data roadmap and principles.
• Create and update source-to-target data mappings, defining transformations and calculations and capturing metadata (e.g., attribute definitions, datatypes, PII classification).
• Support Data Engineers to implement the designs.
• Support Quality Engineers in testing data warehouse objects.
• Provide guidance to junior team members on data modelling and technical best practices.
• Support the wider team with ad-hoc design or analysis work.

Requirements

• Intermediate-level SQL querying, including data profiling.
• 2 years experience as a data modeller or 5 years experience working with data in data warehouses.
• Data quality management experience.
• Fluency in English (written and spoken).
• Strong attention to detail.
• Proactive and curious mindset.
• Collaborative approach to work.

Benefits

• 23,000–28,000 PLN gross per month (employment contract).
• Private medical healthcare at LUXMED (including dental care) for you and your family.
• Medicover sports card (Fit&More package).
• Life insurance financed by the employer.
• 30-minute lunch break included in the 8-hour working day.
• Training & Buddy programme and wellbeing programme.
• Co-financing of monthly public transport tickets in Kraków.
• Language courses, access to LinkedIn Learning, and co-financing for studies and certification.
• Employee referral programme.