Sai Teja Voruganti

Sai Teja Voruganti

Data Scientist
United States of America

نبذة عني

Experienced Data Scientist with 4+ years of expertise in advanced analytics and machine learning. Proficient in statistical analysis, data preprocessing, and predictive modeling using Python and R. Skilled in data visual…

الخبرة

Data Scientist

Renesas Electronics America
Jan 2023 - حتى الآن · 3 سنوات 5 أشهر

Collected and synthesized large volumes of sensor data from industrial machinery for predictive analysis.
Contributed to the development of algorithms and processes to improve image processing efficiency and quality.
Performed data preprocessing, addressing 95% of missing values, identifying and handling outliers, and ensuring overall
data quality.
Conducted exploratory data analysis using statistical and visualization techniques to understand underlying patterns
and correlations.
Developed and implemented machine learning models to enhance quantitative monitoring of key performance indicators
(KPIs).
Designed and implemented advanced statistical models, including linear and logistic regression, time series analysis,
clustering, and predictive modeling.
Developed and trained various machine learning models (including SVM, Random Forest, Gradient Boosting, and Neural
Networks) to predict machinery failure.
Worked on analysis and classification of Time Series data and anomaly detection. Developed a GUI for visually
representing anomalies and classification results.
Contributed to the development of applications that leverage machine learning models for real-time market monitoring
and analysis.
Utilized advanced analytics techniques to interpret large datasets and extract meaningful information for decisionmaking.
Applied advanced statistical techniques, including hypothesis testing and confidence interval estimation, to analyze A/B
test results and draw actionable insights.
Deployed the predictive maintenance model in a simulated environment, effectively reducing unexpected
operational downtime by 9%

Data Scientist

Renesas Electronics America Inc
حتى الآن

Collected and synthesized large volumes of sensor data from industrial machinery for predictive analysis.
Contributed to the development of algorithms and processes to improve image processing efficiency and quality.
Performed data preprocessing, addressing 95% of missing values, identifying and handling outliers, and ensuring overall data quality.
Conducted exploratory data analysis using statistical and visualization techniques to understand underlying patterns and correlations.
Developed and implemented machine learning models to enhance quantitative monitoring of key performance indicators (KPIs).
Designed and implemented advanced statistical models, including linear and logistic regression, time series analysis, clustering, and predictive modeling.
Developed and trained various machine learning models (including SVM, Random Forest, Gradient Boosting, and Neural Networks) to predict machinery failure.
Worked on analysis and classification of Time Series data and anomaly detection.
Developed a GUI for visually representing anomalies and classification results.
Contributed to the development of applications that leverage machine learning models for real-time market monitoring and analysis.
Utilized advanced analytics techniques to interpret large datasets and extract meaningful information for decision-making.
Applied advanced statistical techniques, including hypothesis testing and confidence interval estimation, to analyze A/B test results and draw actionable insights.
Deployed the predictive maintenance model in a simulated environment, effectively reducing unexpected operational downtime by 9%.

Artificial Intelligence Engineer

Tata Elxsi

Leveraged Python programming language to pre-process the dataset comprising of customer details and transaction history, implementing data cleaning, outlier detection, and handling missing values.
Utilized Azure Databricks for scalable and collaborative big data analytics and machine learning.
Implemented data engineering workflows and data transformations using Apache Spark on Azure Databricks.
Implemented data integration solutions, leveraging Azure Data Factory's capabilities for batch processing and real-time data movement.
Developed Spark applications using Scala, contributing to distributed and high-performance data processing solutions.
Leveraged Azure Machine Learning services for building, training, and deploying machine learning models, ensuring scalability and reliability.
Explored data and visualized important features using Python libraries like Matplotlib, Seaborn, and Plotly.
Implemented feature importance analysis using SHAP values to identify the factors leading to customer churn, enabling the client to target those areas for improvement.
Utilized time series clustering techniques for dynamic customer segmentation based on their churn behavior.
Developed machine learning models including Random Forest, ARIMA, XGBoost, Exponential smoothing for predicting the probability of customer churn.
Enhanced the performance of models with optimization of hyperparameters using grid search and random search techniques.
Developed time series forecasting models to predict future churn rates.
Incorporated historical churn data to improve the accuracy of predictive modeling.
Built an easy-to-interpret dashboard using Tableau, encapsulating all key insights from the analysis and model predictions.
This facilitated the client's decision-making process by providing them with a clear view of customer churn trends and main churn drivers.
Created comprehensive documentation of the entire process for future reference and provided training to the client team for model usage and interpretation of results.

المهارات

تقييم البيانات تنقيب البيانات علم البيانات تعلم الآلة Python SQL SAS C Programming Java C++ PySpark Apache Kafka Pandas NumPy Snowflake ETL Natural Language Processing Computer Vision MS SQL MySQL PostgreSQL Oracle MongoDB SQL Server Big Data Deep Learning Artificial Intelligence Hadoop Databricks Apache Spark Scala TensorFlow PyTorch Sci-kit learn Matplotlib TensorFlow Lite OpenCV Data Structures and Algorithms Flask Django Git GitHub Docker CI/CD pipelines Jenkins Tableau Power BI Agile Selenium Appium Automation Spring Boot Apache JMeter
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