Senior Power BI Developer (Tableau Experience Mandatory)

Location: Philadelphia, PA

Client: Wipro

Employment Type: Contract

Rate: $50/hr W2

Mandatory Requirement:

5+ years of recent Tableau experience is mandatory

Required Skills:

Tableau and Power BI dashboard/report development

Strong SQL: Complex joins, aggregations, window functions, query optimization

Multiple data source integration: Databases, APIs, flat files, enterprise platforms

Python or similar scripting for data normalization and transformation

Data aggregation and consolidated reporting datasets

Data visualization and dashboard design best practices

Data quality validation, reconciliation, and troubleshooting

Data lineage and reporting logic documentation

Reporting automation

Requirements gathering and stakeholder collaboration

Strong attention to detail and data accuracy

Key Responsibilities:

Design, develop, and maintain Tableau and Power BI dashboards

Build and optimize SQL queries across large datasets

Integrate and consolidate data from multiple sources

Develop data transformation and normalization pipelines

Create reliable metrics and KPIs across different domains

Translate business requirements into scalable reporting solutions

Automate recurring reporting processes

Validate data and investigate discrepancies across source systems