Summary
Overview
Work History
Education
Skills
Timeline
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Sinjini Bose

Data Scientist (sinjinib1908@gmail.com)
Jersey City,NJ

Summary

Seasoned Data Scientist with 6+ years of experience across industries like Finance, Retail and Engineering with expertise in working around large datasets to break down information and address complex business concerns. Proficient in predictive & statistical modeling to recommend useful insights and pragmatic solutions to real world problems.

Overview

6
6
years of professional experience

Work History

Data Scientist

Tiger Analytics
Jersey City, NJ
01.2022 - 12.2023
  • Generated $1.2M/quarter additional savings over legacy model for a retail client by optimizing Weeks of Supply using Auto ML techniques, Random Forest and LGBM with quantile loss
  • Facilitated model selection for clients using Power BI dashboards showing multiple model performance based on metrics such as store efficiency and gross margin.
  • Enabled 40% faster processing of customer data from multiple channels for a banking client by setting up data pipeline using Hive and PySpark .
  • Enhanced call center experience by 20% reduction in call queues through a heuristically developed Channel Utilization Metric. It diverted 12% of traffic to a self-help digital channel, based on call-center's data analysis of last 90 days in Python.

Data Science Co-op

Danfoss Power Solutions
Cambridge, USA
02.2021 - 08.2021
  • Generated $150k by building a sales forecasting model for the North American region using ARIMA, SARIMA, Facebook Prophet and Bayesian Optimization for hyperparameter tuning. Used H2O.ai model as a benchmark.
  • Reduced the error rate (RMSE) by 2 points for a Sales forecasting model, by incorporating textual embeddings as features using Word2Vec and Tf-IDF for predicting the sales using XGBoost, RandomForest Regressor.
  • Accelerated the customer on-boarding process by 3 days on an internal tool building platform, by building a custom recommender engine that enabled faster selection of equipment. Also developed a customer segmentation feature using Clustering & Dimensionality reduction (PCA) techniques.

Data Analytics Intern

Applied Materials
Gloucester, USA
05.2020 - 08.2020
  • Built Tableau Dashboards for highlighting emerging trends of Rev/Loss for customer groups, helping business owners in identifying potential competitors and reforming marketing strategies

Data Scientist

BNY Mellon Technology
Pune, India
07.2015 - 07.2019
  • Optimized mailbox management by filtering redundant emails helping business save 30% of its resources in terms of time & storage
  • Achieved this by analyzing email content using Topic Modeling and text pre-processing over 20000+ emails
  • Collaborated with admin team in finding dormant employees in the system to revoke entitlements and assign it to active employees
  • Used optimized SQL to extract entitlement data in JSON format and automated conversion process of JSON to CSV using Python
  • Implemented a system for billing reconciliation, which saved the firm around $20M, by discovering financial fields in handwritten invoices present as images or PDFs, using Named Entity Recognition (NER) and POS parsing in Python
  • Amplified the sale of financial plans by 3% for the organization, by building a Recommender engine using Collaborative filtering that was used by the business to recommend suitable plans to clients/customers, based on user/item history

Education

Master of Science - Data Science

Northeastern University, Khoury College of Computer Sciences
12.2021

Bachelor of Technology - Electronics & Telecommunication Engineering

KIIT University
04.2015

Skills

  • Machine Learning, Data Mining, Statistical Analysis
  • Python, PySpark, R, SQL, Hive, MS-Excel
  • Tableau, Power BI, MS PowerPoint, Jupyter, RStudio

Timeline

Data Scientist

Tiger Analytics
01.2022 - 12.2023

Data Science Co-op

Danfoss Power Solutions
02.2021 - 08.2021

Data Analytics Intern

Applied Materials
05.2020 - 08.2020

Data Scientist

BNY Mellon Technology
07.2015 - 07.2019

Master of Science - Data Science

Northeastern University, Khoury College of Computer Sciences

Bachelor of Technology - Electronics & Telecommunication Engineering

KIIT University

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Sinjini BoseData Scientist (sinjinib1908@gmail.com)