Dhiraj Kumar

Tableau Developer / Data Analyst - MPHASIS LTD.

(2021-07 - 2026-02)

Developed high-impact, interactive Tableau executive scorecards and operational dashboards to monitor critical retirement KPI trends.
Architected complex data structures using Snowflake and SQL-based data sources, writing optimized custom queries to minimize server processing load.
Implemented advanced LOD calculations, dynamic parameters, context filters, and nested sets to provide deeply segmented, granular views of complex financial datasets.
Collaborated end-to-end with corporate stakeholders to gather functional business reporting requirements and translate them into robust technical wireframes.
Drove rigorous User Acceptance Testing (UAT), deployment procedures, and scheduled production reporting automated delivery.
Significantly boosted dashboard loading speeds and user responsiveness by applying specialized performance optimization techniques, such as extract filters, data reduction, and layout simplification.

Tableau Developer / Data Analyst - Corebridge Financial (Retirement Services)

(2024-01 - 2026-02)

Tableau Developer / Data Analyst - SBS Australia (Media & Broadcasting)

(2023-01 - 2024-12)

Monitored, engineered, and troubleshooted Talend ETL pipelines to maintain uncompromised data quality, data validation, and seamless loading into target schemas.
Enhanced legacy Tableau reports and deployed analytics modules sourced directly from enterprise-wide Snowflake data warehouses.
Conducted thorough root-cause analysis for analytical reporting incidents, ensuring swift resolution times for high-priority business metrics.
Executed targeted data validation scripts and strategic performance tuning on slow-rendering workbooks to maximize user retention.
Partnered continuously with data infrastructure engineering and business teams under strict Agile delivery windows.

Tableau Developer / Data Analyst - Charles Schwab (Banking & Financial Services)

(2021-01 - 2023-12)

Successfully managed and executed the structural migration of 50+ Tableau reports from Teradata legacy systems to Google BigQuery (GCP), ensuring zero business downtime.
Built intuitive analytical workbooks and historical dashboards, establishing crucial business intelligence metrics for the financial services division.
Published, organized, and governed production workbooks on Tableau Server, controlling user permissions, row-level security, and scheduled metadata refreshes.
Crafted tailored parameters, dynamic groups, and individualized custom views to optimize self-service capabilities for non-technical users.
Contributed actively to integration testing, deployment workflows, and comprehensive production environment support.

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