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Raj Shekhar Chanda

@rajshekharchanda

Data Science Engineer at TATA Consultancy Services

Bangalore, IN

https://www.linkedin.com/in/raj-shekhar-chanda-8420a310b

TATA Consultancy ServicesJadavpur University

Raj Shekhar Chanda is a Data Science professional with over two years of experience in designing machine learning algorithms and extracting insights from complex data. He has a proven track record in traffic monitoring and emergency call prediction, utilizing tools like Python, AWS, and PowerBI. Raj holds a Master's degree in Illumination Engineering and is certified in Data Science and AI by IBM.

Experience

Data Science Engineer

TATA Consultancy Services

Jan 2022 - Present

Led and performed data cleaning and pre-processing of High Traffic data for over 50 junctions. Created a traffic congestion clustering model for Smart City clients. Identified procedural improvements to reduce accidents by 15% in peak hours. Built a model forecasting emergency call locations with more than 90% accuracy and assisted deployment in AWS.

Intern

Crompton Greaves

InternshipJan 2021 - Jan 2022

Co-ordinated with third party vendor for building of NLP based Summarization model to extract design and contractual summary from tenders, reducing manual labor by 50%. Spearheaded the annotation of data for 5 different types of tenders. Implemented a long-term pricing experiment reducing costs by 8%. Constructed win loss analysis dashboards in Power BI.

Education

Jadavpur University

M.E.

Illumination Engineering

Jan 2019 - Jan 2021

West Bengal University of Technology

B.Tech

Electrical Engineering

Jan 2013 - Jan 2017

Licenses & Certifications

Data Science and AI Certificate

IBM Developer Skills Network

• No expiration
View Credential

Machine learning with Python

IBM Skill Network

• No expiration
View Credential

Skills

Machine Learning
Linear Regression
Logistics Regression
Decision Trees
Random Forrest
SVM
K-NN
Clustering
K-Means
DBSCAN
Text Analytics
NLP
Sentiment Analysis
Stanford NLP
NLTK
Spacy
TF-IDF
Word2Vec
Bag of Words
Statistical Analysis
EDA
Probability Distribution
Descriptive Statistics
Inferential Statistics
Hypothesis testing
t-Test
ANOVA
Outlier Detection
Sampling Techniques
Deep Learning
ANN
CNN
Tensorflow
Keras
Python
Tableau
PowerBI
SQL Server
PySpark
Scala
Hadoop
GCP
AWS
Flask
Time series analysis
Langchain
MS Excel
MS PowerPoint
Gradient Boost
XGBoost
GenAI
LLM