JSS
Data Engineer / Analyst - Contract
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Data Engineer / Analyst – Contract (3 Months+)
About the Role
We are supporting a major retail reporting transformation programme and are looking for an experienced contractor to help design and deliver a new reporting capability across sales, inventory, shipping, forecasting, and supply chain data.
The programme will build a scalable retail reporting solution using Google Cloud Platform (GCP), BigQuery, Dataform, and Looker, bringing together multiple retailer and operational data sources into trusted models and dashboards for commercial and planning teams.
This role will support the technical build of the reporting solution, covering data ingestion, modelling, semantic layers, and performance optimisation across the GCP stack.
Responsibilities
- Integrate and configure retailer data sources, including POS, inventory, EDI, portals, shipping, forecasting, and pricing, into Google Cloud Platform (GCP).
- Develop and maintain Dataform pipelines across raw, staging, and gold data layers.
- Build and refine unified sales, inventory, and shipping data models in BigQuery.
- Implement business logic including:
- On-hand vs. on-order stock reconciliations
- Weeks of Supply calculations
- Forecast window alignment
- Calendar-based data correlations
- Optimise data models for Looker consumption, ensuring:
- Performance enhancements
- Data reconciliation consistency
- High-quality data output
- Collaborate closely with BI, commercial, and planning teams to translate functional requirements into efficient, scalable data structures.
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Requirements & Skills
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- Strong proficiency in SQL and data modelling, with real-world experience implementing these in production environments.
- Hands-on expertise with:
- BigQuery (query optimisation, partitioning, clustering)
- Dataform (pipeline development and orchestration)
- Looker (dashboards, semantic layers, performance troubleshooting)
- Ideal candidates will have experience working with retail-specific datasets, particularly in:
- Supply chain optimisation
- Inventory forecasting / management
- Ability to work independently, prioritise tasks, and deliver high-impact results in a fast-paced, evolving environment.
- Familiarity with Google Cloud Platform (GCP) tools and best practices is a must. Selling into on-prem or hybrid-configuration systems is a plus.
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