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Mukesh-2005/README.md

🎯 About Me

Mukesh = {
    "role"         : "Data Scientist & ML Engineer",
    "location"     : "Tenkasi, Tamil Nadu 🇮🇳",
    "education"    : "B.Sc Data Science @ MSU (2023–2026)",
    "email"        : "starmukesh2005@gmail.com",
    "linkedin"     : "linkedin.com/in/mukesh-k-6899902b7/",
    "github"       : "github.com/Mukesh-2005",
    
    "expertise"    : [
        "Object Detection (YOLO)",
        "NLP / Text Classification",
        "Ensemble Learning",
        "Feature Engineering",
        "Data Science Pipeline",
        "REST APIs"
    ],
    
    "learning"     : ["Computer Vision", "Transformers / LLMs", "PyTorch", "Production ML"],
    "open_to"      : ["Full-time Data Science", "ML Internships", "Collaborations"],
}

🏆 Highlights

  • 🤖 Traffic Vehicle Detection — mAP50: 0.749 | Real-time inference (4.2ms) | 6.9x improvement
  • 🎫 Automated Ticket Routing System — TF-IDF + Logistic Regression NLP classifier | 80% test accuracy | production-style confidence triage
  • 🎓 IBM Professional Data Science Certificate — 12-course specialization (Coursera) ✅
  • 🎯 End-to-End Projects — Data prep → Model training → Production deployment

🚀 Featured Projects

🚗 Traffic Vehicle Detection ⭐ FEATURED

Real-time Object Detection for Indian Traffic

  • Model: YOLOv8s
  • mAP50: 0.749 ✓
  • Inference: 4.2ms (real-time!)
  • Dataset: 1,300 perfectly balanced images
  • Achievement: 6.9x improvement by fixing data imbalance (6.2:1 → 1:1)

Performance by Class:

  • Car: 0.762 ✓
  • Bus: 0.880 ⭐ (Best)
  • Truck: 0.634
  • Motorcycle: 0.677
  • Auto-rickshaw: 0.795

Key Learning: Data quality > Model complexity

Tech: YOLOv8 | PyTorch | Python | Colab

🔗 GitHub Repo | Demo Video | Writeup

🎫 Automated Ticket Routing System ⭐ FEATURED

NLP Classifier — Production-Style Triage

  • Model: TF-IDF + Logistic Regression
  • Test Accuracy: 80% | Macro F1: 0.79
  • Classes: 4 departments (Billing, Technical, HR, General)
  • Diagnosed Failure: Fixed an HR-class 0% recall bug by identifying vocabulary overlap and rewriting training data

Production Features:

  • Confidence-based "needs human review" threshold (0.60)
  • Keyword-based urgent/normal priority tagging
  • Interactive CLI demo for live ticket testing
  • Feedback loop scaffolding for future retraining

Key Learning: Model architecture was correct from the start — the real fix was diagnosing why a class had zero signal in the data, not just tuning hyperparameters

Tech: Scikit-learn | TF-IDF | Python | Pandas | Joblib

🔗 GitHub Repo

💬 Social Media API

Production-Ready REST API — 45+ Endpoints

  • Status: 🟢 Live & Running
  • URL: https://social-media-api-ispt.onrender.com/docs
  • Features: Posts, comments, followers, smart feeds, trends
  • Database: 5-table relational schema with complex SQL
  • Deployment: Render (production-grade, $0 cost)

Endpoints:

  • User management (CRUD)
  • Post creation & engagement
  • Follow system
  • Personalized feeds
  • Trending algorithms

Tech: FastAPI | SQLAlchemy | SQLite | JWT | Pydantic

🔗 GitHub Repo

🧬 Diabetes Risk Prediction

Medical Classification — 92.2% Accuracy

  • Accuracy: 92.2%
  • Classes: 7 risk categories
  • Dataset: 2,000+ medical records
  • Best Model Log-Loss: 0.427

Methodology:

  • Compared OvA, OvO, Multinomial
  • Stratified cross-validation
  • Feature scaling & encoding
  • Class imbalance handling

Tech: Scikit-learn | Pandas | NumPy

🔗 GitHub Repo

🔐 Task Manager API

Role-Based Access Control

  • Auth: JWT token-based
  • Security: Password hashing
  • Features: CRUD, permissions, filtering
  • Database: SQLite with ORM

Capabilities:

  • User authentication
  • Role-based access
  • Task management
  • Priority filtering
  • Date-based sorting

Tech: FastAPI | SQLAlchemy | JWT | Pydantic

🔗 GitHub Repo

📚 Coursera Data Science Labs

30+ Hands-On ML Projects

  • Topics: Supervised & Unsupervised Learning
  • Algorithms: Classification, Regression, Clustering
  • Metrics: Accuracy, Precision, Recall, F1, AUC-ROC, MSE, RMSE
  • Models: Decision Trees, SVM, KNN, Linear Regression, K-Means, PCA, DBSCAN

Coverage:

  • Data preprocessing
  • Feature scaling & selection
  • Model evaluation
  • Hyperparameter tuning
  • Cross-validation

Tech: Scikit-learn | Matplotlib | Seaborn | Pandas

🔗 GitHub Repo

🛠️ Tech Stack

🐍 Languages & ML Frameworks


⚙️ Backend & APIs


🗄️ Databases


🧰 Tools & Environment


🎓 Certifications & Education

Certification Organization Status
🏅 IBM Professional Data Science Certificate IBM / Coursera ✅ Completed
🏅 Machine Learning with Python IBM / Coursera ✅ Completed
🏅 Databases & SQL for Data Science IBM / Coursera ✅ Completed
📚 B.Sc Data Science Manonmaniam Sundaranar University ✅ Completed

📈 GitHub Analytics

GitHub Stats Top Languages

🔥 Contribution Activity



GitHub Streak Stats

Contribution Snake

🗂️ GitHub Overview

Productive Time Most Commit Language

Profile Views GitHub Followers

🌐 Connect With Me

LinkedIn GitHub Email Live API Demo
Traffic Detection Repo Ticket Routing NLP Repo

📊 Project Quality Metrics

Project Type Performance Status
🚗 Traffic Vehicle Detection Computer Vision mAP50: 0.749 ✅ Production
🎫 Ticket Routing NLP NLP / Text Classification Accuracy: 80% ✅ Completed
💬 Social Media API Backend 45+ Endpoints 🟢 Live
🧬 Diabetes Prediction Classification Accuracy: 92.2% ✅ Completed
🔐 Task Manager API Backend JWT + Role-Based ✅ Completed
📚 Data Science Labs Educational 30+ Projects ✅ Completed

Pinned Loading

  1. Coursera-ML-Labs Coursera-ML-Labs Public

    My completed lab sessions from the Coursera Machine Learning course, with personal notes and enhancements.These notebooks represent my hands-on learning from structured labs. I didn’t build the alg…

    Jupyter Notebook 2

  2. project-3-fhir-pipeline project-3-fhir-pipeline Public

    End-to-end medical record structuring pipeline that converts multi-document PDFs into validated FHIR R4 resources. Implements 7-stage processing: segmentation, extraction, entity recognition, termi…

    Python 1

  3. traffic-vehicle-detection traffic-vehicle-detection Public

    "Week 2: Traffic Vehicle Detection - YOLOv8s with balanced dataset (mAP50: 0.749)"

    Python

  4. Social-Media-API- Social-Media-API- Public

    Engineered a production-grade REST API with 45+ endpoints for a social platform, deployed live with authentication and role-based access control.

    Python

  5. tamil-nadu-rag tamil-nadu-rag Public

    "Tamil Nadu RAG System - Q&A from PDF documents"

    Python

  6. Ticket-Categorizer Ticket-Categorizer Public

    A lightweight NLP-based ticket routing system that classifies support tickets into TECHNICAL, HR, BILLING, or GENERAL. Built using TF‑IDF and Logistic Regression for fast, interpretable, and cost‑e…

    Python