Python My SQL Power BI Machine Learning Experienced Quality Analyst

Teja Desu

United States.

+1-316-***-**** ******@********.*******.*** https://www.linkedin.com/in/tejadesu1997/ Summary

Data Analyst with a Master’s in Data Science and over 2 years of experience as a Power BI Analyst in the healthcare sector. Proven expertise in collecting, analyzing, and interpreting large datasets. Skilled in optimizing data processes, developing interactive dashboards, and translating complex data into actionable insights. Proficient in Python, SQL, Power BI, and Machine Learning techniques, with a specialization in healthcare data. Aims to leverage strong analytical skills and technical expertise to support innovative Data Science projects and drive data-informed decision-making. Education

Wichita State University Aug 2022 - May 2024

Master’s in Data Science Wichita, KS

Qis College Of Engineering and Technology Jul 2015 - May 2019 Bachelor Of Technology in Mechanical Engineering Ongole, India Work Experience

Tata Consultancy Services Ltd.- HUMANA Mar 2020 - Jul 2022 Power BI Analyst Hyderabad, INDIA

Defined project scope, gathered requirements, analyzed findings, and documented insights, creating clear business and technical documentation that improved project clarity and stakeholder understanding.

Designed and developed Power BI dashboards, translating business requirements into insightful visuals, similar to how Tableau dashboards and visualizations would be created.

Optimized data refresh processes, reducing time by 30%, and revamped 10 critical reports, increasing usage by 20% through UX and performance enhancements.

Consolidated raw data from various sources, establishing relationships across datasets for improved analysis.

Prioritized tasks effectively to meet tight deadlines and manage multiple projects simultaneously.

Collaborated with project leads to capture and document business workflows, in an Agile model. Tata Consultancy Services Ltd.- HDFC Digital Tran- HYD Sep 2019 - Feb 2020 Software Development Quality Analyst Hyderabad, INDIA

Collaborated in SDLC and STLC processes, testing Web and Mobile versions of HDFC Bank application, ensuring timely and bug-free releases in a Waterfall model.

Utilized SQL Server and T-SQL to retrieve data and verify alert messages, improving checking processes by 95%.

Performed functional, API, and automation testing, improving overall coverage by 78%.

Converted several user stories, requirement documents in to test cases.

Identified and tracked bugs in JIRA and Excel, decreasing defects by 85% and boosting customer satisfaction by 88%. Skills

Python, SQL Server, MySQL, Machine Learning, Microsoft PowerBI, JIRA, GitHub, SDLC, STLC, Tableau Projects

Regressor Model for Laptop Price Prediction, Odin School Data Science Boot Camp Apr 2024 - May 2024

Developed a machine learning model to predict laptop prices, utilizing Python for data preprocessing, PowerBI for visualizations, and scikit-learn for model building and deployment.

Implemented advanced data cleaning techniques, including outlier detection using standard deviation and z-score, skewness reduction through Box-Cox and log transformations, and handling high cardinality categorical features through binary transformation.

Ensured data quality by addressing multicollinearity through VIF analysis, converting categorical data to numerical using label encoding and pd.factorize, and splitting mixed-value columns.

Streamlined model deployment by creating reusable pipelines, leveraging pickle files, and integrating with the Streamlit API, while maintaining consistency in target variable transformation during training and testing.

Evaluated and compared multiple regression models, including Linear Regression, KNeighbors Regressor, Decision Tree Regressor, Support Vector Regressor, Random Forest Regressor, and a Voting Regressor ensemble, to identify the best-performing model for accurate laptop price predictions.

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