Raja Ranjan Bobba
Data Scientist
Stillwater,OK
Overview
5
5
years of professional experience
3
3
Certification
Work History
Data Science Intern
NEWELL BRANDS
Hoboken, NJ
05.2022 - 05.2023
- Leveraged innovative Databricks & Pyspark to build 5 Anomaly Detection Models using statistical techniques such as univariate outlier detection, DBSCAN etc., to solve problems by crunching more than 200M rows of transactional data with attention to detail
- Consumer Retention Model: Successfully developed and deployed a predictive machine learning model for consumer churn reduction at Yankee Candle Company utilizing Azure Blob for data storage and Databricks for processing
- Identified key drivers behind consumer churn using advanced data analysis techniques and presented insights to over 100 stakeholders
- Constructed a dashboard using Tableau to track critical KPIs
- Business Metrics Alert System: Developed a real-time, digital business intelligence alert system on Azure Databricks, utilizing advanced
- SQL and Python skills to monitor critical website metrics such as Bounce Rate and Checkout rate
- This system triggers alerts to business leaders during abnormal spikes, showcasing problem-solving abilities, and proactively addressing potential business issues at a global scale
- Reporting Automation: Created multiple automated reporting pipelines for regular data analysis using Azure Data Factory and
- Databricks, streamlining the reporting process and enhancing efficiency
- Utilized HTML to design an appealing email template for reporting
- Developed and maintained ETL processes using Databricks and Azure Data Factory, ensuring efficient data extraction, transformation, and loading across the data pipeline
- Worked with big data file formats such as Parquet and Avro, managing data extraction, transformation, and loading processes.
- Identified, analyzed and interpreted trends in complex data sets using supervised and unsupervised learning techniques.
- Created data visualization graphics, translating complex data sets into comprehensive visual representations.
Manager eCommerce Analytics
Mohan Spintex India Ltd
06.2017 - 07.2021
- Managed and manipulated large relational databases using SQL, optimizing data retrieval and storage processes
- Engaged in amazon monthly sales reporting and used time series analysis and ARIMA models in R for prime day sales forecasting, reducing forecast error by 10%
- Streamlined data governance by implementing data cataloging and management practices, improving data accuracy and accessibility
- Created Interactive dashboards using Power BI, providing real-time insights into sales and customer behavior for key stakeholders
- Executed RFM (Recency, Frequency, Monetary) analysis for customer segmentation using Python and SQL, improving targeted marketing strategies and increasing customer retention by 15%
- Utilized data science methodologies and AI techniques to analyze digital transactional data for effective business decision-making
- Successfully conducted A/B testing on different pricing models to optimize revenue growth, showcasing advanced analytics skills
- Implemented machine learning algorithms on transactional data to identify cross-selling and upselling opportunities, driving a significant increase in sales and customer engagement
- Identified, analyzed and interpreted trends or patterns in complex data sets.
- Produced monthly reports using advanced Excel spreadsheet functions.
- Applied statistical and algebraic techniques to interpret key points from gathered data.
Education
MASTER OF SCIENCE - BUSINESS ANALYTICS, DATA SCIENCE
Oklahoma State University
May 2023
Bachelor of Science - Statistics
Acharya Nagarjuna University
May 2017
Skills
Languages/Environments : R, Python, MySQL, PostgreSQL, PySpark, SparkR, Hive, Big Data/ Hadoop
Statistical Techniques : T-test, F-Test, ANOVA, A/B Testing, Hypothesis Testing
Machine Learning : Regression, Classification, SVM, PCA, KNN, Clustering, Ensembles, Boosting, Neural Networks
Certification
AWS Machine Learning Speciality
INFORMS aCAP
SQL
Summary
Meticulous Data Scientist accomplished in compiling, transforming and analyzing complex information through software. Expert in machine learning and large dataset management. Demonstrated success in identifying relationships and building solutions to business problems.
Timeline
Data Science Intern
NEWELL BRANDS
05.2022 - 05.2023
Manager eCommerce Analytics
Mohan Spintex India Ltd
06.2017 - 07.2021
MASTER OF SCIENCE - BUSINESS ANALYTICS, DATA SCIENCE
Oklahoma State University
Bachelor of Science - Statistics
Acharya Nagarjuna University