• Design and maintain semantic models (datasets, star schemas, measures, calculated columns) in Power BI.
• Implement DAX measures, performance tuning, and query optimization.
• Create reusable datasets and shared semantic layers (certified datasets, composite models, XMLA endpoints).
• Partner with business stakeholders to gather requirements, translate KPIs into model logic, and present insights to non-technical audiences.
• Develop reports/dashboards with strong UX, accessibility, and storytelling.
• Collaborate with data engineering to source/transform data (ETL/ELT), manage row-level security, and support deployment pipelines.
• Mentor/PMO support for BI governance, dataset versioning, and documentation.

Required skills & experience

• 3+ years Power BI development; deep hands‑on experience building semantic models.
• Strong DAX proficiency (complex measures, time intelligence, performance pattern...