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 patterns). Experience with data modeling concepts: star schema, surrogate keys, slowly changing dimens...