Build and maintain scalable Microsoft Fabric data pipelines, ingestion frameworks, notebooks, and dimensional data models. Optimize Delta Lake storage, Power BI semantic models, Direct Lake performance, refresh strategies, and Fabric capacity usage. Ensure data quality, observability, SLA reliability, and scalable client onboarding. Collaborate with BI developers, analysts, and stakeholders in an agile environment while following Git, CI/CD, code review, and SDLC practices.