Rajarshi Acharjee
Gurgaon
Summary
Seasoned Data Scientist with background in designing and implementing data-driven solutions for various business challenges. Experience includes predictive modeling, artificial intelligence, machine learning, and big data technologies. Strengths lie in strong analytical thinking, problem-solving skills, and ability to translate complex data into actionable insights. Previous work has resulted in significant improvements in decision-making processes and business performance.
Overview
3
3
years of professional experience
Work History
Data Scientist
American Express
Gurgaon
07.2022 - Current
- Developed a forecasting methodology to estimate billings of card members using early tenure spend/lend behaviors and customer demographics. This has helped Finance and Marketing Teams optimize funds to increase Return on Investment (ROI) (Tech Stack: Pandas, Numpy, Pyspark, SQL, Python, EDA)
- Performed EDA on revenue data, customer demographics, and developed early revenue metrics for better targets.
- Developed logic and onboarded a new set of variables on the Cornerstone environment and Tableau. The variables were extremely critical for Marketing Teams which helped generate $2 Billion spend for American Express.
- Incorporated ARIMA model and functional forms to predict future card member acquisitions.
- EDA and better visualizations to deliver key insights to senior leadership and stakeholders.
Data Scientist Intern
American Express
Gurgaon
01.2022 - 06.2022
- Developed custom views on Tableau Report using featured variables critical for stakeholders to generate insights.
- Developed and migrated a complex report bulit on SAS (5000+ consumers) to Pyspark, Python.
Education
Bachelors of Engineering - Information Technology
UIET, Panjab University
Chandigarh, India05-2022
Skills
- Business Forecasting
- Data Mining
- Python Programming
- Database Management
- Machine Learning
- Business requirements gathering
Accomplishments
- Secured 2nd Position in Smart India Hackathon 2021, MHRD, Govt. of India
- Published 2 research papers on Denoising and Segmentation.
Timeline
Data Scientist
American Express
07.2022 - Current
Data Scientist Intern
American Express
01.2022 - 06.2022
Bachelors of Engineering - Information Technology
UIET, Panjab University
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