Summary
Overview
Work History
Education
Skills
Certification
Projects
Accomplishments
Timeline
Hi, I’m

Vignesh Ramakrishnan

Data Scientist
Vignesh Ramakrishnan

Summary

Data Scientist with 8+ years of experience which includes 6.6 years of hands-on experience in Machine Learning, Data Science and Artificial Intelligence.Also proficienct in Python, R, SQL and Excel. Furnish insights, analytics and business intelligence needed to guide decisions.

Overview

8
years of professional experience
7
years of post-secondary education
5
Certifications

Work History

Cognizant

Senior Associate -AIA
04.2021 - Current

Job overview

  • Interacting with the client to get the requirements, ML feasibility to provide the solutions and insights for a Life Science client
  • Worked on Cost Optimization project to reduce the CDL infra cost
  • Provided ML-based insights for tuning the Databricks Cluster usage.
  • Developed Linear Regression, KNN, SVM, Time Series, Random Forest and Logistic Regression.
  • Demand Forecasting project to find the pattern, to forecast the fire Kidde demand throughout the year.
  • Developed Time Series, KNN, SVM, RandomForest and Linear Regression.
  • Developed NLP-based AutoDoc Project to Automate the Documentation process.
  • Involved in Spacy, Biobert, Gensim, Fuzzy Logic, Hugging Face, Tesseract, and Easyocr.
  • Achieved client satisfaction and loyalty by establishing collaborative relationships, facilitating needs assessment.

Wipro Ltd

Tech Lead -DAAI
11.2018 - 04.2021

Job overview

  • Worked in determining client needs, deliverables, estimates, and feasibility for analytical projects concerning a custom study for a BFSI customer.
  • Worked in NLP, Random Forest and Logistic Regression Model to automate and provide insight for Agrochemical customers.
  • Developed Holt-Winters, Arima and Sarima models on Time Series data to forecast asset balance and Linear Regression and Timeseries model to predict query execution time.
  • Used critical thinking to break down problems, evaluate solutions and make decisions.

The Deal India Pvt. Ltd

Researcher Specialist -AI/ML
10.2015 - 05.2018

Job overview

  • Interpret M&A and Bankruptcy data from primary and secondary sources, involved in statistical techniques and provide Business Insights
  • Worked on Decision Tree, Logistic Regression and Random forest
  • Proficiency with Linear Regression, Logistic Regression, Random Forest and Decision Tree.
  • Utilized analytical and technical expertise to provide insights and proposals to support business improvement
  • Actively involved in the quantitative analysis of sophisticated modeling to address business issues.

ICICI Bank Pvt. Ltd

Deputy Manager
06.2013 - 02.2015

Job overview

  • Extracted, compiled, tracked and analyzed data to generate reports
  • Involved in data preprocessing and data mining
  • Leveraged analytical tools to develop efficient system operations.

Education

University of Madras

MBA from Finance and HR
08.2011 - 01.2013

University Overview

GPA: 6.3

Coimbatore Institute of Engineering And Information Technology

B.E from Computer Science
08.2004 - 01.2008

University Overview

GPA: 63

SRSI MHSS

HSC
05.2002 - 04.2004

University Overview

GPA: 66

Skills

    Machine Learning

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Certification

• AWS Certified Machine Learning Specialty 2022 (MLS-C01) - AWS.

Projects

· Cost Optimization: Built Regression, Classification and Time Series models to predict the runtime of a query and provide ML-based insights for tuning and predicting the Databricks cluster usage and worker node.

· AutoDoc: Developed NLP based solution for automating the documents for extracting and summarizing.

· Churn prediction: Involved in implementing Holt-Winter and Arima models to predict balance for customer assets and to predict customer churn.

· Demand Forecasting: Implemented Linear Regression,Ridge,Lasso and Timeseries model to predict sales demand for the client product.

Accomplishments

· Developed a ML model based Cost optimization for Life science client and it helped them to reduce more than 40% of their cost for the CDL.

· Provided predictive analytics such as machine learning and NLP techniques in AutoDoc Project for a Life Science client. My solution is effective, where 3weeks and 5 members process is reduced to 3 hours and 1 member.

· Forecasted Churn model for a Banking Customer and got an appreciation for the best tailor-made churn model to manage consumers’ preferences and drive loyalty.

Timeline

• AWS Certified Machine Learning Specialty 2022 (MLS-C01) - AWS.

09-2022

• Applying Machine Learning and AI Services on AWS - Cloud Academy

08-2022

• Complete Machine Learning & Data Science Bootcamp 2021 -Udemy

08-2021

Senior Associate -AIA

Cognizant
04.2021 - Current

Tech Lead -DAAI

Wipro Ltd
11.2018 - 04.2021

• Data Science with Python - Besant Technologies.

10-2018

• Data Science with R -V Alpha

01-2016

Researcher Specialist -AI/ML

The Deal India Pvt. Ltd
10.2015 - 05.2018

Deputy Manager

ICICI Bank Pvt. Ltd
06.2013 - 02.2015

University of Madras

MBA from Finance and HR
08.2011 - 01.2013

Coimbatore Institute of Engineering And Information Technology

B.E from Computer Science
08.2004 - 01.2008

SRSI MHSS

HSC
05.2002 - 04.2004
Vignesh RamakrishnanData Scientist