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sivaleela Tella

@sivaleelatella

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Data analyst and BI developer specializing in Tableau, Power BI, SQL.

India

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What I'm looking for

I seek a data/BI role where I can build and automate dashboards, improve ETL/reporting efficiency, collaborate in Agile teams, and grow my cloud data skills (Azure/ADF/Snowflake).

I am a seasoned Data Analyst and BI Developer with over a decade of experience turning large datasets into actionable business insights using Tableau, Power BI, SQL and Excel.

I have designed and automated dashboards and ETL processes, integrating data from multiple sources with SSIS and Tableau Prep to streamline reporting and improve decision making.

My work has improved query performance, reduced data integration time, and eliminated manual reporting tasks—delivering measurable time savings and higher report accuracy for operations and planning teams.

I collaborate closely with cross-functional teams in Agile environments, engage with stakeholders for regular reporting and planning, and am actively expanding my cloud skills in Azure, ADF and Snowflake.

Experience

Work history, roles, and key accomplishments

Current

Data Analyst & BI Developer

Current

Wells Fargo International Pvt Ltd

Aug 2024 - Present (1 year 7 months)

Designed and automated Tableau dashboards and Tableau Prep flows to deliver actionable business insights and eliminated ~3 hours of manual preparation per reporting cycle; built and optimized SQL queries to ensure timely, accurate datasets for reporting.

Tableau SQL Excel Power BI Data Modeling ETL Jira

Data Analyst

Optum Global Solutions

Jun 2016 - Jul 2024 (8 years 1 month)

Developed ETL processes with SSIS and optimized SQL queries to analyze large healthcare datasets, improving query performance by 35% and reducing data integration time by 50%; created Tableau and Power BI reports increasing report accuracy and user satisfaction by 25%.

SQL SSIS Tableau Power BI Excel Data Warehousing ETL

Analyst

TP Vision Pvt Ltd

Aug 2014 - Jun 2016 (1 year 10 months)

Generated and automated Excel-based UR Tracker reports using VBA and pivot tables to analyze user requirements and project progress, reducing reporting time by 50% and aiding resource optimization.

Excel VBA Pivot Tables Reporting SQL Data Analysis