Summary
Overview
Work History
Education
Skills
Timeline
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Chetan Mahajan

Pune

Summary

I am a Data Science enthusiast with a strong belief in using data-centric strategies to solve business challenges. As an engineering professional, I hold a PG Diploma in Artificial Intelligence and Machine Learning (AIML) from the International Institute of Information Technology, Bangalore (IIIT). I have a distinguished command over skills such as Python, machine learning algorithms, statistics, SQL, and Tableau.

Overview

4
4
years of professional experience

Work History

Senior Data Analyst

Merkle
Pune
04.2023 - Current
  • Led data collection and aggregation efforts from diverse sources including CRM, Sales logs, online behavior, and demographic datasets, ensuring comprehensive coverage for analysis.
  • Identified key predictive features through rigorous analysis, significantly enhancing understanding of customer behaviors and preferences.
  • Developed and implemented predictive models for look-alike generation utilizing Random Forest and Gradient Boosting Machine (GBM) algorithms, resulting in improved targeting accuracy and campaign effectiveness.
  • Fine-tuned model hyperparameters to optimize accuracy, precision, and generalization performance, consistently achieving superior predictive outcomes.
  • Evaluated model performance using advanced metrics such as AUC-ROC and Precision-Recall curves, providing actionable insights to stakeholders for strategic decision-making.
  • Iteratively optimized models through continuous refinement techniques, staying abreast of industry best practices and emerging methodologies.
  • Spearheaded the development of automated pipelines for seamless data processing, model training, audience generation, and dashboard creation, reducing data processing time by 50% and enabling real-time decision-making for marketing campaigns, thereby enhancing operational efficiency and streamlining workflows.

Data Analyst

Merkle
Pune
03.2021 - 03.2023
  • Worked closely with stakeholders to provide descriptive analytics on the launches of new Ads and later tracked KPIs on the products.
  • Performed extensive analysis of consumer behavior, preferences, and trends to provide insights that drive business decisions.
  • Measured the effectiveness of media campaigns to optimize marketing strategies and improve business outcomes.
  • Tracked key metrics such as reach, engagement, and conversion rates across various marketing channels including TV, digital, and social media.
  • Developed attribution models to understand the impact of different marketing touchpoints on consumer behavior.
  • Created dashboards and reports to communicate insights to stakeholders across the organization.
  • Developed customer segmentation strategies and predictive models to improve targeting and engagement.
  • Built data pipelines that can scrape data from 1000+ eCommerce websites every day from all over the world, using technologies like Python, Python Request, Beautiful Soup, Selenium.

IoT Engineer

Endeavor Technology
Pune
01.2020 - 03.2021
  • Developed SLA Management and Remote Security and Surveillance System.
  • Worked on an Energy Management Dashboard with integrated sensors for a US client.
  • Worked on various sensor data

Education

PG Diploma in ML And AI -

IIIT Bangalore & UpGrad
Bangalore
12-2020

B. Sc. in Computer Science -

Savitribai Phule Pune University
Pune
08-2019

Skills

  • Python
  • SQL
  • Predictive analysis
  • Py Spark
  • Tableau
  • Snowflake
  • Propensity modelling
  • Look Alike Modeling
  • Attribution Modeling
  • Causal Impact
  • Data Mining
  • Team Coordination & Leadership

Timeline

Senior Data Analyst

Merkle
04.2023 - Current

Data Analyst

Merkle
03.2021 - 03.2023

IoT Engineer

Endeavor Technology
01.2020 - 03.2021

PG Diploma in ML And AI -

IIIT Bangalore & UpGrad

B. Sc. in Computer Science -

Savitribai Phule Pune University

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Chetan Mahajan