Krishna Y

Results-driven Tableau Developer with 5+ years of IT experience specializing in end-to-end Business Intelligence (BI) lifecycle management. Expert in transforming complex datasets into actionable visual stories and high-performance dashboards. Proficient in SQL Server, GCP Big Query, and PostgreSQL, Snowflake with a deep understanding of data warehousing, Star/Snowflake schemas, and performance tuning.

Proven ability to optimize data architecture, reducing reporting latency and driving data-informed decision-making in Procurement, Healthcare, and Retail sectors.

Software Developer (BI & Analytics) at Tata Insights and Quants (March 2022 – Present)

• Engineered procurement dashboard suite in Tableau using GCP Big Query, enabling real-time supplier spend tracking and identifying 12% cost-saving opportunities.

• Architected complex data models with Snowflake schemas and Fact/Dimension tables integrating PostgreSQL sources.

• Optimized dashboard performance by 40% using Data Extracts, Context Filters, and optimized SQL queries.

• Automated monthly executive reporting (MOM/YOY) via Tableau Server subscriptions, saving 20+ manual hours weekly.

• Developed interactive KPI scorecards to monitor patient experience metrics and regulatory compliance.

• Implemented advanced visualization techniques (Heat Maps, Tree Maps, Waterfall charts) to identify bottlenecks.

• Ensured 100% data integrity during migration of XML and Flat File feeds into SQL Server.

BI Analyst / UAV Operations Engineer at Takvaviya Analytics Pvt Ltd(March 2021 – Feb 2022)

• Gathering the data and get it into proper excel format

• Connect to the data and develop the report as per the requirement

• Trained The team members in Tableau.

• Involved in resolving the data issues.

• Implemented the interactive Reports/Dashboards.

• Co-ordinated with team members for the better analysis of Reports

• Using tableau features such as charts, unions, joins, filters, & Calculations for developing reports.

• PerformedtestingofreportsforehandpresentingtotheHighermanagement

Master of Technology (MTech) in Electrical Power Engineering – Annamacharya Institute of Technology & Sciences, Rajampet