Sivasakthi D
Data Analyst| PL300 Certified | 3 YOE |Building Impactful Dashboards in Power BI | Skilled in SQL & Advanced Excel | KPI Reporting |
- Role
- Data Analyst at Tata Consultancy Services
- Location
- Chennai, TN, IN
- LinkedIn followers
- 500 followers
About Sivasakthi D
I am a detail-oriented Data Analyst with 3 years of professional experience, passionate about transforming raw data into meaningful insights that drive business decisions. Skilled in SQL, Power BI, Advanced Excel, and Python (pandas, matplotlib, seaborn), I specialize in data cleaning, visualization, and reporting.My focus areas include:Designing interactive dashboards in Power BI for performance tracking and decision-makingWriting efficient SQL queries for data extraction, analysis, and reportingLeveraging Excel (Pivot Tables, Power Query, Lookups) to streamline reportingUsing Python for data analysis and exploratory insightsCurrently, I am building projects in the retail and energy sectors to strengthen my portfolio, including Sales Performance Dashboards, RFM Customer Analysis, and Inventory Optimization Reports. My goal is to grow as a Data Analyst in a dynamic organization where I can apply my analytical skills to solve business problems and contribute to data-driven strategies. Let’s connect if you’re looking for a data-driven problem solver who can turn complex datasets into actionable insights.
Experience
Data Analyst
Sep 2022 — Present · Chennai, IN
Data Analyst | TCS | September 2022 – Present (3 Years)Designed and delivered 10+ interactive dashboards in Power BI for sales, operations, and financial reporting.Wrote optimized SQL queries on large datasets (1M+ rows) for data extraction, cleaning, and transformation.Automated recurring Excel + SQL reports, reducing manual reporting effort by 30–40%.Built ETL pipelines using Power Query & Azure Data Factory to extract and transform raw data from multiple sources.Integrated Power BI with Azure SQL Database / Synapse for real-time business insights.Conducted data cleaning & validation, ensuring 99% reporting accuracy.Collaborated with stakeholders to define KPIs and reporting requirements, improving dashboard adoption.Performed customer segmentation and trend analysis using Python (pandas, seaborn) to support decision-making.Supported ad-hoc analysis and generated insights that improved business process efficiency.
Education
Alagappa University, Karaikudi
Bachelor of computer application, Computer Programming, Specific Applications
University of Madras
Master of Computer Applications - MCA, Computer Science
Ariyava Montessori Matriculation Higher Secondary School
Computer Science
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