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krohitrkumar/README.md

🧑‍💼 Who I Am

B.Tech Artificial Intelligence & Data Science Dr. Akhilesh Das Gupta Institute, GGSIPU (2023–2027) CGPA: 8.2 / 10

  • 🏭 Ex-Intern — Maruti Suzuki India Ltd, Manesar Built enterprise Power BI dashboards (rated EXCELLENT)
  • 🏢 Ex-Intern — CODTECH IT Solutions Automated ETL pipelines cutting report time 5 days → 2 hrs
  • 🎯 Seeking: Data Scientist · ML Engineer · BI Analyst

"I don't just analyze data — I engineer end-to-end systems that turn raw signals into business decisions."

Open to Work

💥 Impact By Numbers

Accuracy Recall Records Ratings DAX Visuals Hours Latency


📊 GitHub At A Glance

Repos Commits Deployed Languages Code Topics

🔤 Top Languages   |   🚀 Deployed On

Python SQL Jupyter JS HTML   •   Vercel Streamlit

🛠️ Tech Stack

Python SQL PostgreSQL DAX Scikit-Learn XGBoost Pandas NumPy Matplotlib Power BI Streamlit Plotly Excel FastAPI Vercel Railway Neon Git GitHub VS Code Jupyter


🚀 Featured Projects

🎯 Customer Churn & Retention System

Enterprise-grade ML pipeline predicting subscriber attrition with actionable retention strategies.

  • Gradient Boosting model → 88.2% accuracy · 86% recall on 250K+ records
  • Production FastAPI REST API with JWT auth, OTP verification & role-based access
  • Deployed on Vercel + Railway backed by Neon PostgreSQL

Source Code Live Demo


🎬 Smart Movie Recommender Engine

Hybrid recommendation engine solving cold-start across 33M+ ratings and 330K+ users.

  • Blended SVD (SGD) + TF-IDF + Cosine Similarity for hybrid recommendations
  • PostgreSQL composite indexing → 45% latency reduction (sub-150ms retrieval)
  • Live interactive Streamlit Cloud app with real-time user feedback

Source Code Live Demo


🚗 Ride Booking Analytics Platform

End-to-end SQL analytics pipeline uncovering urban mobility bottlenecks and fulfillment gaps.

  • PostgreSQL ETL pipeline on 100K+ ride logs with 99.9% data integrity
  • 8+ reusable SQL views isolating cancellation patterns & rating-revenue correlations
  • Query performance improved 35% via CTEs, ROW_NUMBER, AVG OVER window functions

Source Code


🏭 Maruti Suzuki Quality Analytics — DPBOK & ABOK Dashboards

Real-time defect tracking and shop-floor intelligence across paint-line manufacturing operations.

  • Delivered 2 executive Power BI dashboards replacing legacy spreadsheets — 80+ visuals
  • Authored 50+ custom DAX measures using star-schema modeling & context transitions
  • Automated dynamic denominator switching → 40+ engineering hours saved every month
  • Rated EXCELLENT by Maruti Suzuki management

Power BI Excellent Industry


📜 Certifications & Recognition

Certification Issuer
🏆 Project Training Certificate — Rated EXCELLENT Maruti Suzuki India Ltd, Manesar (Jun–Aug 2026)
🎓 Data Science, ML, Deep Learning & NLP Bootcamp (99 hrs) Udemy
👥 Video Editing Head — GeeksforGeeks Technical Society Led 10-member team · 4 events · 2,000+ attendees

📬 Let's Connect

LinkedIn   Gmail   GitHub

⭐ Open to Data Science · ML Engineering · Analytics roles · Open to relocation

Popular repositories Loading

  1. Data-Warehouse-Pipeline Data-Warehouse-Pipeline Public

    End-to-end data warehouse pipeline (Bronze → Silver → Gold) using PostgreSQL for structured CRM/ERP data.

    1

  2. customer_churn_prediction customer_churn_prediction Public

    End-to-end ML project to predict customer churn with a deployed Streamlit app and actionable retention strategies.

    Jupyter Notebook 1

  3. ride-booking-analytics ride-booking-analytics Public

    End-to-end SQL project analyzing ride booking data using PostgreSQL, covering data cleaning, validation, KPI creation, and business insights on revenue, demand,

    1

  4. movie-recommendation-system movie-recommendation-system Public

    An end-to-end Movie Recommendation System powered by Popularity-Based, Content-Based, and Collaborative Filtering (SVD) algorithms, featuring an interactive Streamlit dashboard, a PostgreSQL databa…

    HTML 1

  5. Todo_list Todo_list Public

    Python 1

  6. krohitrkumar krohitrkumar Public

    1