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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # BI Developer & Data Engineer (Power BI / Microsoft Fabric) - **Company:** Refined Brands Ltd. - **Location:** Saint Columb Major, UK - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Data Analysis, Data Governance, Data Integration, Extract Transform Load (ETL), Python (Programming Language), Performance Tuning, Query Optimization, Power BI, Standard Sql, Shopify, SQL Databases, Azure Data Factory, Advanced Reports, Powerquery, Microsoft Fabric, Software Version Control, Data Pipelines - **Published:** July 30, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=adb6113d961d629f ## About the Role * Proven hands-on experience building and optimising in Power BI (advanced DAX, Power Query/M, and data modelling). * Experience with Microsoft Fabric, or the wider Azure data stack (Synapse, Data Factory, Lakehouse/OneLake, Dataflows Gen2). * Strong SQL; Python an advantage. * Demonstrable ETL/ELT pipeline design and integration of multiple source systems. * Performance optimisation and Power BI / Fabric capacity management. * Solid data governance, security (RLS), and documentation discipline. * Retail or e-commerce data experience (Shopify, ERP, CRM) preferred. * Methodical, detail-oriented, and comfortable owning platform reliability. * Good communication skills - able to work effectively with analysts and non-technical stakeholders. ## Description You will be the technical backbone behind the group's reporting and insight: building a trusted single source of truth, integrating data from e-commerce, ERP, CRM, and marketing systems, and making sure everything runs quickly and reliably. You will report to the Head of Customer Insight & Analytics, who sets the commercial questions your platform is built to answer., * Own the Power BI / Microsoft Fabric estate - semantic models, datasets, dataflows, workspaces, and Fabric capacity. * Design and maintain robust, well-documented data models (star schemas, relationships, DAX measures) as a single source of truth across all four brands. * Build, monitor, and optimise data pipelines integrating multiple sources (e-commerce/Shopify, ERP, CRM, marketing platforms, catalogue, and finance). * Optimise performance - query tuning (DAX, SQL, Power Query/M), refresh times, and capacity usage - keeping reports fast and responsive. * Ensure platform stability and reliability: refresh scheduling, monitoring, alerting, error handling, and incident resolution. * Implement data governance and security frameworks - row-level security, access control, naming and version standards, and documentation - to ensure accuracy, consistency, and security. * Automate reporting and manual processes to reduce effort and error. * Prepare clean, well-structured data to enable advanced analytics and AI/ML use cases. * Manage deployment across development, test, and production environments, with proper version control. * Work with the Head of Customer Insight & Analytics to refine requirements before building - advising on feasibility, options, and trade-offs, then translating the agreed brief into well-built, maintainable solutions. ## Related Videos - [Data Analytics with Microsoft Fabric: End-to-End Use Case with Data Agents](https://www.wearedevelopers.com/videos/1547-data-analytics-with-microsoft-fabric-end-to-end-use-case-with-data-agents) - [WeAreDevelopers LIVE - Markdown, Liquid and Checkouts](https://www.wearedevelopers.com/videos/1814-wearedevelopers-live-markdown-liquid-and-checkouts) - [Beyond Dashboards: Fixing Text-to-SQL with Semantic RAG](https://www.wearedevelopers.com/videos/2036-beyond-dashboards-fixing-text-to-sql-with-semantic-rag) - [Data Fabric in Action - How to enhance a Stock Trading App with ML and Data Virtualization](https://www.wearedevelopers.com/videos/253-data-fabric-in-action-how-to-enhance-a-stock-trading-app-with-ml-and-data-virtualization) - [Teini - an extremely small webshop leveraging awesome and free tech](https://www.wearedevelopers.com/videos/286-teini-an-extremely-small-webshop-leveraging-awesome-and-free-tech) - [REST, GraphQL, gRPC, and more: A comparison of modern API styles](https://www.wearedevelopers.com/videos/100247-rest-graphql-grpc-and-more-a-comparison-of-modern-api-styles) ## Related Articles - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Making Data Warehouses Fast: A Developer’s Story](https://www.wearedevelopers.com/magazine/107-making-data-warehouses-fast-a-developer-s-story) - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk) - [Best Companies to work for in London: Top 25 Companies in 2023](https://www.wearedevelopers.com/magazine/187-best-companies-to-work-for-in-london-top-25-companies-in-2023) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [UK Business Culture and Etiquette](https://www.wearedevelopers.com/magazine/326-uk-business-culture-and-etiquette)