Summary
Overview
Work History
Education
Skills
Certification
Personal Projects
Timeline
Generic

Ajay G

Data Scientist
Chennai

Summary

Professional 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

3
3
years of professional experience
4
4
years of post-secondary education
3
3
Certifications
3
3
Languages

Work History

Data Scientist

Cognizant Technology Solutions
Chennai
12.2021 - 11.2024

Data Engineering & Preprocessing

  • Extracted and integrated large datasets from Snowflake and other sources into a unified repository.
  • Applied data cleansing, feature engineering, and transformation techniques, improving model accuracy by 15%

Machine Learning & Deep Learning

  • Streamlined data collection methods to minimize analysis errors.
  • Developed and optimized ML models (regression, classification, clustering) to improve business processes.
  • Automated repetitive tasks using scripting languages such as Python or R, saving time during the analytical process significantly.
  • Implemented deep learning models (CNNs, fully connected networks) using TensorFlow & Keras for classification tasks.
  • Deployed ML models in production using Docker on AWS/Azure.

Data Analysis & Business Intelligence

  • Conducted statistical analysis (Python, R, Excel) to derive actionable insights.
  • Designed 20+ Tableau dashboards & Power BI reports, enabling real-time decision-making for 5+ business units.

Data Pipelines & Automation

  • Built and automated ETL pipelines for data ingestion, transformation, and deployment.
  • Worked closely with data engineers, product managers, and business teams to align data science solutions with business goals.

Research & Mentorship

  • Explored cutting-edge ML techniques and Snowflake optimizations to enhance data-driven workflows.
  • Mentored junior team members on machine learning, deep learning, Snowflake, and Tableau best practices.
  • Collaborated with cross-functional teams to integrate data science solutions into existing systems and processes.

Education

Bachelor of Engineering - Computer Science Engineering

St.Joseph's College of Engineering
Chennai, India
07.2016 - 12.2020

Skills

Machine learning

Statistical analysis

SQL databases

Scikit-learn

Neural networks

Natural language processing

Database management

Feature engineering

R programming

Sentiment analysis

Deep learning

Time series analysis

Data visualization

Python programming

Certification

Data Science Pro-Degree, Genpact

Personal Projects

Student Score Prediction – End-to-End Machine Learning Project:

Objective: Built a machine learning model to predict student scores based on various academic and behavioral features.
Tech Stack: Python, Scikit-learn, TensorFlow, Azure, AWS, GitHub, Flask, Docker
Key Highlights:

  • Collected and preprocessed 10,000+ student records with features like study hours, attendance, and extracurricular activities.
  • Implemented and compared multiple ML models (Linear Regression, Random Forest, XGBoost, and Neural Networks) to optimize accuracy.
  • Applied hyperparameter tuning (GridSearchCV, RandomizedSearchCV) to boost prediction accuracy by 15%.
  • Deployed the trained model using Azure Machine Learning & AWS Lambda, enabling real-time predictions via a Flask API.
  • Managed version control & CI/CD pipelines using GitHub Actions for seamless deployment.

Timeline

Data Scientist

Cognizant Technology Solutions
12.2021 - 11.2024

Data Science Pro-Degree, Genpact

10-2021

Internship on Machine Learning, The Sparks Foundation

10-2020

Python Internship, Hewlett Packard Enterprises

01-2018

Bachelor of Engineering - Computer Science Engineering

St.Joseph's College of Engineering
07.2016 - 12.2020
Ajay GData Scientist