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About the Role

The Senior Data Designer defines what data is ingested into the Enterprise Data Warehouse and how it is transformed for reporting and downstream use. The role involves analysing and documenting source system data, designing data ingestion methods and frequencies, and specifying mappings, transformations, and calculations. You will ensure the target data models are coherent, well-documented, and aligned with the wider data warehouse architecture to support clear, business-ready insights.

Responsibilities

Design performant, user-friendly data warehouse models that enable business reporting and insights
Translate complex business requirements into effective data model designs, working with stakeholders to clarify needs
Identify, analyse, and document source systems and data, collaborating with subject-matter experts to understand data creation and changes
Develop and maintain logical and physical data models aligned with the data roadmap and architectural principles
Define and maintain source-to-target mappings, transformations, calculations, and metadata in line with design standards
Collaborate with Data Engineers and Quality Engineers to support development, testing, and delivery, while providing guidance to junior team members and supporting ad-hoc work

Requirements

Experience as a data modeller or data architect, including modelling complex data
Intermediate to advanced SQL querying skills
Strong attention to detail with a collaborative approach to work
Experience in data quality management
Data lifecycle management experience
Experience with non-tabular/event-based data processing and Unity Catalog

Skills

SQL querying
Data modelling
Data architecture
Data quality management
Data lifecycle management
Non-tabular/event-based data processing
Unity Catalog

Location

Paddington
Southampton

Work Type

Hybrid
Office-based (12 days/month)
Occasional travel

Experience Level

Senior

Benefits

Competitive benefits package
Opportunities to stretch and grow your career

About the Company

Kingfisher is a team of over 74,000 passionate people bringing brands like B&Q, Screwfix, Brico Depot, Castorama and Koctas to life.
Our purpose is Better Homes. Better Lives. For Everyone.
We believe a better world starts with better homes, and we work every day to make that a reality.
We encourage new ideas, support experimentation, and strive to create a workplace where everyone can be their best self.

Equal Opportunity

We’re committed to ensuring all colleagues, future colleagues, and applicants are treated equally, regardless of age, gender, marital or civil partnership status, ethnicity, culture, religion, belief, political opinion, disability, gender identity, gender expression, or sexual orientation.