Open to Lead / Principal Data Science roles

Explainable ML and AI systems that move real business numbers.

I’m Mohit Bhatnagar, a Senior Data Scientist with 10+ years across retail, loyalty, marketing and industrial operations. I build models stakeholders can trust and ship them as tools teams actually use.

AuthorAI Engineering: From First Principles to ProductionThe Layered Learning Edition · on Amazon
Mohit Bhatnagar, Senior Data Scientist
Senior Data Scientist · dunnhumbyCoop Norway account · Based in India2022 →
Years in data, AI & operations
10+Source · dunnhumby · EasyRewardz · Vedanta
Less manual campaign analysis
80%+Source · Promo Effectiveness Model
Campaign ROI improvement
25%+Source · RFM + LTV Segmentation
Annual operating savings
₹0.72 CrSource · Boiler Efficiency Clustering
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Current role
Senior Data Scientist, dunnhumby
Experience
10+ years across data, AI and operations
Looking for
Senior, Lead or Principal Data Science and Applied AI roles
Domains
Retail, loyalty, marketing and industrial
Core stack
Python, PySpark, SQL, XGBoost, SHAP, FastAPI
Location
India · international client experience
Selected work

Professional impact, plus open-source systems you can inspect.

Showing 10 projects

  • Retail AI · RecommendationProfessional

    Golden Rules Tool

    Recommends the products and categories most likely to succeed in advertising campaigns, using historical performance and machine-learning signals.

    ~40% improvement in campaign success

    • Python
    • XGBoost
    • SHAP
    • MLflow
  • Retail AI · ClassificationProfessional

    Promo Effectiveness Model

    An explainable ensemble model that grades promotional campaigns as good, bad or neutral, replacing a manual review process.

    80%+ less manual campaign analysis

    • XGBoost
    • CatBoost
    • SHAP
    • Python
  • Customer AnalyticsProfessional

    Customer Loyalty Tracker

    Tracks behavioural shifts across promotional phases with segmentation, reporting and decision-oriented measurement.

    Informed customer-retention strategy

    • Python
    • SQL
    • Power BI
    • Statistics
  • Sports AnalyticsProfessional

    Cricket Prediction ML Model

    Combines artificial neural networks, Random Forest and XGBoost to predict cricket match outcomes.

    85%+ prediction accuracy

    • ANN
    • Random Forest
    • XGBoost
    • Python
  • Industrial AI · ClusteringProfessional

    Boiler Efficiency Clustering

    Unsupervised learning on plant data to identify efficiency regimes and improve boiler operations in manufacturing plants.

    ₹0.72 Cr annual savings

    • Python
    • Clustering
    • SPSS Modeler
    • Process Engineering
  • Customer ScienceProfessional

    RFM + LTV Segmentation

    Recency, frequency and monetary segmentation combined with lifetime-value modelling for personalised targeting.

    25%+ campaign ROI improvement

    • Python
    • SQL
    • Statistical Modelling
    • Tableau

Professional projects are summarised at a non-confidential level; figures are as measured on the client engagement.

Experience

A decade linking data, operations and commercial value.

  1. Sep 2022 — PresentdunnhumbyCoop Norway account · India

    Senior Data Scientist

    • Built promotion-effectiveness and recommendation systems that reduced manual analysis by 80%+.
    • Developed explainable ML workflows using XGBoost, CatBoost, SHAP and MLflow.
    • Created NLP and product-family intelligence using embeddings and scalable PySpark pipelines.
    • Translated complex analytical outputs into decision-ready tools for commercial stakeholders.
    • Python
    • PySpark
    • SQL
    • XGBoost
    • CatBoost
    • SHAP
    • MLflow
    • Power BI
  2. 2021 — 2022EasyRewardzBanking & retail loyalty · India

    Associate Consultant — Strategy

    • Built RFM, lifetime-value and customer-journey models for campaign targeting.
    • Developed revenue-impact models that improved campaign ROI by 25%+.
    • Created NLP-based sentiment and reporting automation solutions.
    • Python
    • SQL
    • Tableau
    • NLP
    • Statistics
    • Excel
  3. 2016 — 2021Vedanta ResourcesIndustrial operations · India

    Assistant Manager

    • Developed boiler-efficiency clustering that delivered ₹0.72 Cr in annual savings.
    • Implemented predictive-maintenance solutions that reduced equipment downtime by 30%.
    • Led cross-functional optimisation initiatives and was nominated for the Vedanta CEO Award.
    • Python
    • SPSS Modeler
    • C/C++
    • Statistics
    • Process Engineering
Expertise

Tools chosen for the problem, not the trend.

Long-term professional delivery, backed by technologies you can inspect in the public repositories.

Machine learning & explainability

  • XGBoost
  • CatBoost
  • Random Forest
  • ANN
  • Clustering
  • Ridge Regression
  • SHAP
  • MLflow

Data, analytics & BI

  • Python
  • PySpark
  • SQL
  • MySQL
  • Statistics
  • Experimentation
  • Power BI
  • Tableau

Applied GenAI & LLM systems

  • Gemini
  • LangChain
  • Ollama
  • NLP
  • Structured outputs
  • Text-to-SQL
  • Safety guardrails
  • Local LLMs

Product & API engineering

  • FastAPI
  • Streamlit
  • Pydantic
  • REST APIs
  • Data pipelines
  • GitHub Actions
  • Docker
  • Testing

Local AI & media engineering

  • ComfyUI
  • FFmpeg
  • Rust
  • Offline TTS
  • Image generation
  • Video generation
  • Pillow

Domain depth

  • Retail
  • Promotions
  • Pricing
  • Loyalty
  • Customer value
  • Marketing
  • Industrial
  • Sports
Book

AI Engineering: From First Principles to Production

The Layered Learning Edition — From Everyday Intuition to Research-Grade Systems.

View on Amazon
Education

Education

  • Data Science & Machine LearningMIT Professional Education
  • PGP, Data Science & Business AnalyticsGreat Lakes / University of Texas
  • Diploma in Operations ManagementOperations foundation for industrial analytics
Quick facts

Common questions, answered.

Work, stack, public evidence and this site’s privacy model.

What kind of data-science and AI problems does Mohit solve?

Recommendation, classification, forecasting, customer and retail analytics, industrial optimisation, marketing prediction, local generative AI, media pipelines and natural-language access to business databases.

What is Mohit’s core technology stack?

Python, PySpark, SQL, XGBoost, CatBoost, SHAP, MLflow, FastAPI, Streamlit, Gemini, LangChain, Ollama, MySQL, Rust, FFmpeg, ComfyUI, Power BI and Tableau.

How is the project work presented?

Professional projects are described only at a non-confidential summary level. Four public GitHub projects have full source code and case studies; private repositories and unreleased products stay private.

Does this website collect visitor data?

No. There are no forms, accounts or analytics cookies. Contact happens through direct email, LinkedIn and WhatsApp links.

Contact

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Roles, consulting or collaboration — email is the fastest way to reach me.