Vibha Verma
Data Scientist
Bangalore
Summary
8 years of industry experience with 6.5 years as a Data Scientist with strong background in statistical analysis, machine learning, and data visualization. Skilled in Python, R, SQL, and various data processing tools, with focus on delivering actionable insights. Known for collaborative approach, adaptability, and consistently achieving impactful results in dynamic environments. Recognized for problem-solving abilities and innovative thinking in leveraging data to drive business decisions.
Overview
10
10
years of professional experience
5
5
years of post-secondary education
4
4
Certifications
Work History
Data Scientist
NTT DATA
06.2022 - Current
- Transformed raw data into actionable insights through advanced queries and interactive visualizations using R and Python with libraries like Pandas, Numpy, Seaborn, and Matplotlib.
- Exploratory data analysis on client's data at different product and time level to understand the best level to forecast.
- Implemented Time Series Forecasting algorithms using: Statistical models like ARIMA, Exponential Smoothing, Prophet
- Created and implemented new forecasting models to increase company productivity.
- Worked to improve the forecast accuracy for short life cycle products.
- Performed demand forecasting which includes segmentation of Time Series data, Outlier Correction, Demand forecasting, and disaggregation.
- Worked to improve the forecast accuracy for short life cycle products from 17% to 40% and overall improvement from 40 to 70%.
- Combined machine learning models through ensemble technique like Random Forest and improved the forecast accuracy.
- Leveraged AWS ML services for model training, tuning, and deployment, enabling seamless model versioning and monitoring.
Data Scientist
Chainalytics
06.2022 - 12.2022
- Translated business requirements into data-driven solutions, providing value-added insights that directly contributed to the organization''s strategic goals.
- Applied statistical and algebraic techniques to interpret key points from gathered data.
- Generated best statistical forecast and perform Forecastability study.
- Implemented Time Series Forecasting algorithms like ARIMA, SARIMA ETS, TSLM and Prophet
- Developed intricate algorithms based on deep-dive statistical analysis and predictive data modeling.
Data Scientist
Thoughtworks
08.2019 - 05.2022
- Analyzed and extensively worked on Data Wrangling, Data Mining and Data Analysis using Python and R.
- Utilized various open source R libraries such as tidyverse, dplyr, and data.table, BupaR and ProcessanimatorR.
- Data mining using cluster analysis (PCA and DBSCAN) and outlier detection.
- Worked with client to understand the business problem and convert it to analytical problem.
- Applied advanced statistical models like GLM and Machine Learning models like Classification, Random Forest, XGBoost algorithms, that help clients understand dynamic business issue.
- Utilized advanced querying, visualization and analytics tools to analyze and process complex data sets.
- Built predictive models, machine learning algorithms and conduct A/B tests to assess the effectiveness of models.
- Designed and deployed predictive models on AWS using ML services.
Associate System Engineer
Tata Consultancy Services
11.2015 - 07.2017
- Designing the Parser (RP3/RPG4, Oracle Forms, PLSQL) and extracting the details from the components of the Application in order to give the analysed structure of the application to the user.
- Migration from Lex and Yaac to Antlr 4, a flexible tool for parsing formal languages.
- Feature engineering and model building using Python.
- Associate System Engineer
Education
Master of Science - Computer Science & Engineering
Dhanbad, India 04.2017 - 01.2019
Bachelor of Science - Information Technology
Kamla Nehru Institute of Technology
Sultanpur, UP 04.2011 - 01.2015
Skills
Machine Learning
undefinedCertification
AWS Partner: Accreditation (Technical)
Personal Assets
- Advanced problem-solving skills.
- Ability to work well in client facing projects.
- Dedicated to embracing and learning new technologies and methods.
- Hands-on approach, self-motivated with a strong work ethic.
Timeline
Data Scientist
NTT DATA
06.2022 - Current
Data Scientist
Chainalytics
06.2022 - 12.2022
Data Scientist
Thoughtworks
08.2019 - 05.2022
Master of Science - Computer Science & Engineering
04.2017 - 01.2019
Associate System Engineer
Tata Consultancy Services
11.2015 - 07.2017
Bachelor of Science - Information Technology
Kamla Nehru Institute of Technology
04.2011 - 01.2015
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