Senior Power BI Developer (Tableau Experience Mandatory)

Our client is looking for a Senior Power BI Developer in Philadelphia, PA location below is the detailed requirement. Job Title: Senior Power BI Developer (Tableau Experience Mandatory )Location: Philadelphia, P ADuration: Long Ter mJob Description • :Bachelor’s degree in related field with over all 12 years of experienc • eMinimum 5+ Years of Recent Experience in Tableau is Mandator • yDesign, develop, and maintain reports and dashboards in Tableau and Power BI for operational and executive audiences • .Write and optimize complex SQL queries for data extraction, aggregation, joins across large datasets, and performance tuning • .Connect and integrate multiple data sources (databases, APIs, flat files, enterprise platforms) into unified reporting datasets • .Build and maintain scripted data normalization and transformation pipelines (e.g., Python) to standardize, cleanse, and reconcile data from disparate systems • .Aggregate data across domains to produce consistent, reliable metrics and KPIs • .Apply data visualization best practices to make complex data intuitive right chart for the right story, clean layouts, drill-down paths • .Partner with business and technology stakeholders to gather reporting requirements and translate them into scalable reporting products • .Automate recurring manual reporting processes to improve speed, consistency, and scalability • .Validate data quality and investigate discrepancies across source systems; document data lineage and reporting logic • .Strong SQL skills complex joins, aggregations, window functions, query optimization • .Proven hands-on experience building dashboards in Tableau and Power BI • .Experience aggregating data and connecting multiple data sources into consolidated reporting datasets • .Experience with script-based data normalization and transformation (Python or similar) • .Solid understanding of data visualization principles and dashboard design best practices • .Ability to work with stakeholders to translate business questions into reporting requirements • .Strong attention to detail and commitment to data accuracy .