Power BI Developer at Celebal Technologies in New Delhi

Summary Power BI Developer with 6+ years of experience in building scalable BI solutions, developing interactive dashboards, and transforming complex data into actionable insights using Microsoft Power BI and SQL.
Key Responsibilities Develop and maintain interactive dashboards and reports using Microsoft Power BI and fabric.
Create efficient data models using Star Schema and optimized relationships.
Write advanced DAX measures and calculated columns for business KPIs and analytics.
Perform data transformation and cleaning using Power Query (M language).
Extract and manipulate data using complex SQL queries from Microsoft SQL Server.
Implement Row-Level Security (RLS) to manage data access for different users.
Publish, schedule, and manage datasets and reports in Power BI Service.
Optimize dashboard performance by reducing model size and improving DAX efficiency.
Collaborate with stakeholders to gather reporting requirements and deliver BI solutions.
Monitor data refresh schedules and troubleshoot data or report issues.
Technical Skills BI Tool: Microsoft Power BI (Power BI Desktop & Service)
Languages: DAX, SQL, Power Query (M)
Database: Microsoft SQL Server
Data Modeling: Star Schema, Relationships, Fact & Dimension Tables
ETL: Data transformation using Power Query
Reporting: KPI dashboards, drill-through reports, bookmarks, tooltips
Deployment: Dataset publishing and refresh management in Power BI Service
Key Achievements (Example) Developed 15+ business dashboards for sales, finance, and operations reporting.
Improved report performance by 30% by optimizing DAX measures and data models.
Automated manual Excel reporting by implementing Power BI dashboards, reducing reporting time by 40%.