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lakshmi yallamanchi

@lakshmiyallamanchi

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Data analyst skilled in SQL, Power BI, Excel, and Tableau delivering actionable insights.

India

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What I'm looking for

I seek a data-focused role where I can build dashboards, analyze data, and influence decisions in a collaborative, growth-oriented team.

I am a data enthusiast with a B.Tech in Computer Science and practical experience turning raw data into business insights. I specialize in SQL, Excel, Power BI and Tableau to create clear, decision-ready visualizations.

During internships I designed a Power BI sales dashboard that cleaned and modeled 100k+ rows, implemented a star schema and DAX measures to track revenue, margin and MoM growth across regions.

I analyzed telecom churn using SQL (JOIN, CTE, window functions), segmented customers, built Excel PivotTable visuals and recommended retention strategies that could reduce churn risk by 15%.

I bring hands-on experience from Tata Consultancy Services and a strong foundation in business analysis, requirement gathering and data management, and I look to apply these skills to drive growth and data-driven decisions.

Experience

Work history, roles, and key accomplishments

Data Analytics Intern

Self-Directed Projects

May 2025 - Jun 2025 (1 month)

Delivered a Power BI sales dashboard and an SQL/Excel churn analysis project, transforming 100k+ rows, creating DAX measures, and identifying retention strategies that could reduce churn by ~15%.

Power BI DAX SQL Excel Data Cleaning Data Modeling Tableau

Assistant System Engineer

Tata Consultancy Services

Dec 2021 - Aug 2022 (8 months)

Worked as an Assistant System Engineer trainee contributing to delivery tasks and supporting project implementation over a 7-month engagement from Dec 2021 to Aug 2022.

SQL Excel Power BI Tableau Data Analysis Data Visualization Requirement gathering Business Analysis