Senior BI Developer

An exciting opportunity to join a reputable global company licensing world-renowned fashion brands, based at their London office. As a Senior Business intelligence Developer , you will take ownership of the company's BI environment, reporting architecture, and data infrastructure. This is a strategic role for someone with strong Power BI backend expertise, advanced SQL skills, and experience managing ERP data integrations within a fast-paced business.

Main responsibilities will include:

• Managing the end-to-end Power BI environment including datasets, semantic models, gateways, dataflows, and reporting infrastructure.
• Designing and maintaining scalable Power BI data models and enterprise reporting solutions.
• Managing ERP data integrations, ETL processes, and data transformation pipelines.
• Developing and optimising SQL queries, stored procedures, and backend reporting logic.
• Building and maintaining semantic models, advanced DAX calculations, and performance optimisation strategies.
• Troubleshooting data integrity, refresh, connectivity, and performance issues across the BI stack.
• Establishing BI governance, security policies, version control, testing, and documentation standards.
• Managing user access, row-level security, and workspace structures within Power BI.
• Partnering with stakeholders across Finance, Operations, Sales, and Supply Chain to deliver scalable reporting solutions.
• Acting as the internal expert for Power BI infrastructure and BI data architecture.

Person specification:

• Highly experienced in Power BI development with strong backend and data engineering expertise.
• Advanced including query optimisation, stored procedures, and performance tuning.
• Strong experience with ERP systems, data integrations, ETL processes, and data modelling.
• Proven experience managing enterprise semantic models and advanced DAX development.
• Experience with Power BI gateways, deployment pipelines, dataflows, and workspace management.
• Strong analytical and problem-solving skills with strong attention to detail.
• Advanced Excel skills and experience working with large datasets
• Strong communication and stakeholder management skills with the ability to deliver strategic insights