Shamma Tarunnam

About

Dynamic data-driven professional with over 5 years of experience in software quality engineering and data analysis. Skilled in SQL, Python, Excel, Tableau, and machine learning, with experience turning complex datasets into actionable business insights.

Experience

• Software Quality Engineer
  Infosys
  Mar 2021 – Present

Education

• Post Graduate Program in Data Science & Engineering
  Great Learning
  Generative AI · Feb 2025 – Feb 2025
• Master of Business Administration
  Andhra University
  HR · 2020 – 2023
• Bachelor of Science
  Andhra University
  Computer Science · 2017 – 2020

Skills

• SQL
• Data Engineering
• Data Visualization
• Deep Learning
• Python
• Jupyter Notebook
• Machine Learning
• Tableau
• MySQL
• Data Cleaning
• Streamlit
• Jira
• Data validation
• Excel
• Statistical Analysis
• NLP
• Rally
• Eda
• Classification models

Projects

• Customer Experience Prediction
  Python, Scikit-learn, Feature Engineering

  Built an end-to-end ML pipeline to predict customer satisfaction from 200k+ transaction records. Performed extensive data cleaning, feature engineering, and categorical encoding to improve predictive power. Trained and evaluated classification models using cross-validation and systematic hyperparameter tuning. Improved model performance by 22% over baseline through iterative feature refinement and model optimization.

• Movement Pattern Analysis for Older Adults
  Python, Pandas, Tableau, Machine Learning

  Analyzed sensor data from multiple sources to identify movement patterns and behavioral trends in older adults. Performed data cleaning, missing value treatment, normalization, categorical encoding, and exploratory data analysis (EDA) on heterogeneous datasets. Developed predictive models including Random Forest, Gradient Boosting, and Neural Networks, evaluating performance using Accuracy, Precision, Recall, and F1-Score. Built interactive dashboards and visualizations to communicate movement insights and support data-driven decision-making. Deployed a Streamlit application for real-time prediction and data visualization.

Courses & certifications

• Post Graduate Program (PGP) in Data Science with Specialization in Generative AI · Great Learning
• Microsoft Certified: Azure Fundamentals (AZ-900) · Microsoft
• Microsoft Certified: Azure AI Fundamentals (AI-900) · Microsoft

🗣️ Languages

• English · Professional
• Hindi · Fluent

🏆 Achievements & awards

• First Prize in District-Level Essay Writing Competition

  Secured first prize in the district-level essay writing competition, demonstrating strong written communication and analytical thinking skills.

• Toastmasters Public Speaking Competition Participation

  Participated in Toastmasters Public Speaking Competition, enhancing presentation and public speaking skills.