Summary
Overview
Work History
Education
Skills
Work Projects
Acedemic Projetcs
Certification
Skills
Timeline
BusinessAnalyst
Deepa Arul

Deepa Arul

Data Scientist
Bangalore,KA

Summary

Astute Data Scientist with data-driven and technology-focused approach. Communicates clearly with stakeholders and builds consensus around well-founded models. Excelled in transforming complex data into actionable insights, Successfully developed predictive models, Machine learning models and data-driven solutions to optimize business performance. Enhancing chatbot performance by engineering GenAI RAG models, Agentic AI and mentoring junior developers, showcasing exceptional analytical and leadership skills.

Overview

16
16
years of professional experience
12
12
years of post-secondary education
2
2
Certifications

Work History

Data Scientist

IBM - Mercedes Benz
Bangalore
01.2025 - Current
  • Translated business requirements into data-driven solutions, providing value-added insights that directly contributed to the organization''s strategic goals.
  • Conducted thorough exploratory data analyses for robust model building.
  • Designed interactive dashboards and reports, providing real-time business intelligence to stakeholders.
  • Engineered GenAI RAG models for efficient information retrieval and natural language generation, improving chatbots performance.
  • Conducted benchmarks and comparisons of GenAI LLM models, providing data-driven recommendations for model selection and deployment strategies.

Data Scientist

TCS- Meijer
Chennai
07.2019 - 12.2023
  • Designed models, algorithms and visualizations to distill insights from huge volumes of data.
  • Performed exploratory analysis on large datasets using SQL and Python libraries such as Pandas, NumPy, Scikit-Learn, and Matplotlib.
  • Worked alongside team members and leaders to identify analytical requirements and collect information to meet customer and project demands.
  • Optimized existing machine learning models by tuning hyperparameters using python packages in Azure Databricks.
  • Prepared detailed documentation of the developed models along with the assumptions made during model development process and results achieved upon deployment of the model in Azure production environment.

Developement Lead

TCS - Target
Chennai
07.2015 - 09.2018
  • Developed and evaluated solution options to build consensus and drive quality solutions.
  • Created process and delivery improvements to reduce build cycle time.
  • Led development teams in building system, data and application-level interfaces and functional relationships.
  • Reduced project timelines with efficient resource allocation and proactive risk management strategies.
  • Mentored junior developers to enhance their technical skills, fostering a strong team environment focused on continuous improvement.

Data Analyst

TCS - Target
Minneapolis
05.2012 - 07.2015
  • Provided guidance and direction to junior developers in areas of coding standards, debugging techniques, software design, and system architecture.
  • Developed strategies for streamlining workflow processes associated with data entry management operations.
  • Analyzed customer requirements and developed customized solutions tailored specifically to their needs.
  • Developed metrics to track progress towards established goals for testing.
  • Managed diverse projects for data capture, storage and forecast analysis.
  • Managed timely flow of business intelligence information to users.
  • Created and designed business intelligence databases, spreadsheets or outputs.

Test Engineer

TCS - Nielsen
Chennai
12.2008 - 03.2012
  • Created comprehensive test plans, test scripts, and use cases to support testing objectives.
  • Reviewed, evaluated, and identified requirements for testability.
  • Collaborated with development teams to identify, reproduce, and resolve software issues promptly.
  • Evaluated test results and prepared system-level reports to detail findings and validate system performance.
  • Verified that all components meet design specifications and standards.
  • Evaluated current test processes and recommended best practices for improvement.

Education

PG - Big Data And Machine Learning

Great Learning
Chennai
07.2017 - 09.2025

B.tech - Biotechnology

SRM
Chennai
07.2004 - 05.2008

Skills

Python programming

Work Projects

EATS EOL TestBench Analysis
  • Conducted correlation analysis on 2,500 test attributes, uncovering relationships and their impact on testbench performance.
LLM Benchmarking Tool
  • Developed an internal benchmarking tool using LangChain to evaluate and compare new LLMs, delivering detailed performance insights.
Fault Prediction (Time Series)
  • Built a time series model to predict fault frequencies in testbench machines, enabling proactive maintenance and reducing downtime.
Utilization Prediction (Time Series)
  • Designed a time series model to forecast utilization trends for industrial washing machines, optimizing operational efficiency.
Gear Microgeometry Quality Control
  • Created a CNN-based image classification model to classify gear teeth as OK or Not OK, enhancing quality control.
PDRS Chatbot
  • Developed a GenAI RAG-based chatbot using Azure services to automate document support, reducing manual workload.
Conversational Agents
  • Implemented agents using AutoGen with sequential and nested chat actions to streamline complex workflows.
LLM-Powered Data Analysis
  • Leveraged LLMs for automated data analysis, including descriptive insights, attribute evaluation, translations, and summaries.
HPO PCA Measurement
  • Built regression and logistic models to predict customer behavior metrics like sales, margin, trips, and quantity from Hand-Picked Offers (HPO) data, feeding into scorecards and charts.
Propensity Models
  • Developed 511 logistic models to predict customer shopping likelihoods within 7-day and 28-day windows, tailored to unique shopping patterns.

On-Shelf Availability (OSA)

  • Created logistic models to predict item availability on store shelves, generating alerts to maintain inventory levels.
Available-to-Promise (ATP) Analytics
  • Designed analytics processes to calculate inventory levels and update product availability on the Meijer product display webpage.
Demand Forecasting
  • Built forecasting models to predict product demand across shops, selecting the best models for training and scoring demand values.

Acedemic Projetcs

  • Distracted Driver Detection: Built a deep learning image classification model using artificial neural networks to identify distracted drivers.
  • Sentiment Analysis on Amazon Reviews: Developed and tuned a machine learning model to predict sentiment scores from Amazon product reviews.
  • Vintage Art Data Analysis: Conducted exploratory analysis on vintage art data using Tableau for insights and visualization.
  • Dimension Reduction on Wine Dataset: Applied PCA for dimensionality reduction on the wine dataset as part of unsupervised learning.
  • Customer Churn Detection: Identified potential churn for a mobile service provider using predictive modeling.
  • Recommendation Systems: Designed product and movie recommendation systems to enhance user experience.
  • Telecom Customer Churn Analysis: Analyzed customer churn in the telecom industry to identify factors driving attrition.
  • Onion Sale Analysis: Visualized and predicted onion sales trends using data analytics.

Certification

PG-BDML

Skills

Python programming

Machine learning

Statistical analysis

SQL databases

Natural language processing

Deep learning

Time series analysis

Data visualization

Gen AI, RAG

Agentic AI

Timeline

Data Scientist

IBM - Mercedes Benz
01.2025 - Current

Microsoft DP 100

02-2021

Data Scientist

TCS- Meijer
07.2019 - 12.2023

PG-BDML

09-2018

PG - Big Data And Machine Learning

Great Learning
07.2017 - 09.2025

Developement Lead

TCS - Target
07.2015 - 09.2018

Data Analyst

TCS - Target
05.2012 - 07.2015

Test Engineer

TCS - Nielsen
12.2008 - 03.2012

B.tech - Biotechnology

SRM
07.2004 - 05.2008
Deepa ArulData Scientist