Role Overview We're seeking a hands-on Data Engineer & BI Developer to join a major transformation programme. This role combines data-engineering and BI Development - you'll design and optimise data pipelines in Azure/Databricks, build robust data models and deliver advanced reporting in Power BI. You'll also play a key role in migrating legacy Cognos and DWH estates to the Microsoft stack. Responsibilities Data Engineering Build and maintain data pipelines and Lakehouse architecture in Databricks. Optimise data performance (indexing, partitioning) and troubleshoot complex queries. Automate source data integration for efficiency and scalability. BI Development Design and deploy Power BI Solutions (including Paginated resources) Develop semantic models, measures, KPIs and CDE's for accurate reporting. Reverse-engineer Cognos logic and implement equivalent solutions in Power BI Programme Contribution Support the Data Programme's strategic Azure solution design. Refresh and improve Regulatory MI Dashboards Provide cover for Finance and controlling MI reporting as needed. What you'll need to succeed Proven experience in MS Azure Cloud Dev/Ops, Data design and Databricks lakehouse architecture. Advanced skills in Power BI (Desktop, Service, Paginated) and SQL (including SSIS) Strong understanding of data modelling (star schema, Medallion architecture) and ETL frameworks Ability to work with ambiguous data sources and deliver solutions in low-maturity data environment. Hands-on experience with Performance Tuning and optimisation techniques. What you'll get in return 6-Month contract with view to extending £450 per day rate Hybrid working pattern with 3 days on-site at Milton Keynes and 2 days working from home What you need to do now If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now. If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career. Hays EA is a trading division of Hays Specialist Recruitment Limited and acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found at hays.co.uk