sudheesh s

freelancing data analyst

Freelancing•  February 2022 - Present

Generated POWER BI reports & dashboards to provide timely insights into customer behavior and purchasing trends, resulting in improved decision-making accuracy by 30%. Using Python and SQL performed comprehensive data cleaning and analysis to identify key trends, resulting in an improved accuracy of 80%. Developed custom visuals using bar charts, pie charts, line charts, cards & slicers to enhance reports and optimize decision-making process. Conducted sentiment analysis on 500K customer reviews to identify key topics & trends, resulting in a 15% increase in user engagement.

programmer

Cognizant Technology Solutions•  May 2019 - December 2021

Successfully built a machine learning model from scratch to extract raw data and produce similarity scores. Worked with Natural Language processing techniques to process and analyze unstructured data, resulting in increased accuracy by 25%. Performed sentiment analysis on large amounts of data to identify patterns and trends. Used Tableau to analyze customer data and identify areas for improvement, resulting in a 5% increase in customer satisfaction. Successfully reported and troubleshot metadata for over 500 clients, with a 98% satisfaction rating. Developed data visualization using Cross tabs, Heat maps, Box and Whisker charts, Scatter Plots, Pie charts and Bar charts in Tableau. Extracted data from 100 PDFs using Pytesseract, OpenCV, regex, Pandas, and NumPy in order to clean and analyze the data, which resulted in a more accurate analysis.