Tejaswi Dubey
Principal Data Scientist
Mumbai,MH
Summary
13+ years of overall cross-industry experience in Finance, Healthcare, Retail, Fashion, Edtech, customer service, sales, strategy and operations domains. 10+ years of experience in leading and hands-on running Machine Learning and analytics solutions. 10+ years of experience in strategic and transformational programs with record of delivering cross functional projects.
Overview
13
13
years of professional experience
2
2
Certifications
Work History
Principal Data Scientist
Affine
10.2023 - Current
- NABARD balance sheet project using ensemble model.
- Key-word search and document classification for NABARD using LLM increasing productivity and reducing response time by 40%.
- Client Risk rating using internal as well as external features for reduction of NPA accounts and early warning signals.
- Ground Level Credit (GLC) forecast to be used for planning by NABARD and GOI.
- NIM ( Net Interest Margin) forecast for department of Risk management (RMD) NABARD.
- Automated repetitive tasks using scripting languages such as Python or R, saving time during analytical process significantly.
- Conducted feature engineering efforts to enhance model performance by creating new relevant variables from raw input data sources.
- Implemented advanced statistical techniques for accurate predictive modeling and forecasting of business metrics.
Lead Data Scientist
LEAD School
04.2022 - 05.2023
- Retention model, classification model using machine learning which reduced churn by 10%
- Remedial Model, using regression increased student performance by 25%
- Content Creation using Natural Language Processing which reduced efforts of academic team by 40%
- Managed team of 5 data scientists to design, develop, and implement machine learning models, optimising processes, and ensuring timely delivery of projects
- Implemented LLM( FLAN T5 PEFT) to analyse customer feedback, leading to10% improvement in customer satisfaction scores.
Lead Data Scientist
Bombay Shirt Company
11.2020 - 04.2022
- Recommendation System, which helped in growing revenue by 20%
- SmartFit Algorithm built and used for perfect fit of cloths for customers
- Developed and deployed machine learning models for customer segmentation, resulting in 15% increase in marketing campaign effectiveness.
Senior Data Scientist
Medikabazaar (Boston Ivy Healthcare Pvt Ltd)
04.2019 - 11.2020
- VIZI, regression-based tool which helped in timely procurement and saving of real estate and expiry of pharma products
- Used Reformer model (Transformer )to build Chatbot which assisted customer service team reducing service and enquiry TAT
- Recommendation Engine which helped in increasing visibility of products and revenue by 10%.
Manager Analytics
Market Realist
07.2015 - 08.2018
- Used Python and Machine Learning for data exploration, preparation and modelling
- Built 'Click Through' prediction model to increase clicks on creatives
- Designing, developing and implementation of new functionality.
Data Analyst
CONNECT COMPUSYS PRIVATE LIMITED
11.2011 - 01.2015
- Importing, cleansing, transforming, validating, or modelling data with purpose of understanding or making conclusion from data for decision making purposes
- Responsible for loading, extracting and validation of client data
- Write Data Definition Language or Data Manipulation Language SQL commands, responsible for improving data quality and designing and presenting conclusions gained from analysing data using statistical tools like Excel, R, Python
- Built random forest models to predict customer retention.
Education
Master's certification of Data Science, Machine Learning -
GreyAtom
Mumbai 01.2018 - 12 2018
Bachelor of Technology, Instrumentation and control -
SVITS
Indore 01.2004 - 1 2008
Skills
Machine Learning: Linear Regression, Logistic Regression, Decision Trees, Random Forest, Gradient Boosting, Neural Networks, SVM, Clustering, Anomaly Detection
LLM and Transformer
Deep Learning: TensorFlow, Keras, PyTorch
Programming Languages: Python, R, SQL
Data Visualization Tools: Tableau, PowerBI, Matplotlib, Seaborn
Statistical Analysis: Hypothesis Testing, A/B Testing, Time Series Analysis
NLP Techniques: Sentiment Analysis, Topic Modelling, Word Embeddings
Data Wrangling: Pandas, NumPy, Scikit-learn
Version Control: Git, GitHub
Cloud: AWS, GCP
Certification
TensorFlow Developer Certificate
Timeline
Principal Data Scientist
Affine
10.2023 - Current
Lead Data Scientist
LEAD School
04.2022 - 05.2023
Lead Data Scientist
Bombay Shirt Company
11.2020 - 04.2022
Senior Data Scientist
Medikabazaar (Boston Ivy Healthcare Pvt Ltd)
04.2019 - 11.2020
Master's certification of Data Science, Machine Learning -
GreyAtom
01.2018 - 12 2018
Manager Analytics
Market Realist
07.2015 - 08.2018
Data Analyst
CONNECT COMPUSYS PRIVATE LIMITED
11.2011 - 01.2015
Bachelor of Technology, Instrumentation and control -
SVITS
01.2004 - 1 2008