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  • MEERUT INSTITUTE OF TECHNOLOGY
  • India

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rkkumar945/README.md

Hi there, I'm Rajat Kumar

An aspiring Graduate Student focused on Computer Science, Data Science, and Data Analytics Engineering. I specialize in building interconnected software systems, optimizing machine learning pipelines, and automating ETL workflows.


Featured Project: End-to-End E-Commerce Data Ecosystem

Instead of building isolated apps, I dedicated my final year to architecting a single, unified monolithic ecosystem that bridges the gap between Software Architecture and Data Intelligence.

Pillar 1: Full-Stack Engineering (The Foundation)

  • What it does: A production-ready E-commerce platform that handles user authentication, product catalogs, dynamic carts, and checkout pipelines. It serves as the root source of data generation.
  • Tech Stack: Python, Django REST Framework, React.js, PostgreSQL, Node.js
  • Impact: Optimized PostgreSQL indexing and query architecture to reduce page load latency by 40% under peak simulated traffic.

Pillar 2: Data Science & Fraud Analytics (The Intelligence)

  • What it does: Pulls raw transactional and user behavior logs from the platform to run advanced analytics. It segments users into target personas and catches fraudulent transactions in real-time.
  • Tech Stack: Python, Jupyter Notebooks, Scikit-Learn, XGBoost, K-Means Clustering, SMOTE
  • Impact: Handled severe class imbalance using SMOTE and trained an XGBoost model that achieved a 94% accuracy rate in detecting transactional anomalies.

Pillar 3: Data Engineering & BI (The Infrastructure)

  • What it does: Automates the entire data lifecycle. It features an automated ETL pipeline that extracts fresh database logs, cleanses them, and loads them into an optimized data model for stakeholder visualization.
  • Tech Stack: SQL, Power Query, Power BI, DAX
  • Impact: Formulated complex DAX metrics (CLV, MoM Growth) and designed a Star Schema model, reducing manual executive reporting time by 85%.

🛠️ Complete Technical Toolbox

  • Languages: Python, SQL,
  • Frameworks & Libs: Django, React, Node.js, Pandas, NumPy
  • Databases & Tools: PostgreSQL, SQL Server, Git, GitHub

📫 Let's Connect: [https://www.linkedin.com/in/rajat-kumar-161144385]

Pinned Loading

  1. ecomm_etl ecomm_etl Public

    Python

  2. NEU_Customer_Analytics_ML NEU_Customer_Analytics_ML Public

    End-to-end customer analytics project using machine learning for user segmentation and fraud detection.

    Jupyter Notebook

  3. NEU_Ecommerce_Project NEU_Ecommerce_Project Public

    E-Commerce Analytics & ML

    Python