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Working on Data Science & ML Projects
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Working on Data Science & ML Projects

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Gayathri-Reddy874/README.md

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👋 About Me

I'm a Data Analyst (AI/ML Engineering graduate) who loves turning messy data into clear answers: SQL data warehouses, exploratory analysis, dashboards, and ML-powered insights that a business can actually act on.

My long-term goal is to become an AI Engineer, so alongside analytics I build with NLP, transformers, recommender systems, and RAG / agentic applications, and I ship them with proper engineering (tests, CI/CD, Docker).

  • 📊 Designed a Medallion-architecture (Bronze → Silver → Gold) SQL data warehouse that surfaced $29.4M in total revenue insights from bike sales data.
  • 🧠 Built and deployed ML apps: sentiment analysis, emotion detection, and recommender systems with clean, tested, documented code.
  • 🤝 Made my first open-source contribution to MLflow (documentation PR #23551).
  • 🎯 Currently: working as a Data Analyst - Apprentice, while building toward Data Scientist → AI/ML Engineer.

🧰 Tech Stack

Data Analysis & BI

SQL Python Pandas NumPy Plotly Power BI Excel

Machine Learning & AI (growing toward AI Engineer)

Scikit-learn PyTorch HuggingFace LangChain MLflow

Apps, Databases & Deployment

Streamlit Flask FastAPI MySQL Docker AWS GitHub Actions Git


🚀 Featured Projects

📊 Data Analytics

SQL Sales Data Warehouse & Analytics Pizza Sales Analytics Dashboard
End-to-end warehouse using Medallion architecture (Bronze/Silver/Gold), with analytics on bike sales data uncovering $29.4M total revenue insights.
Stack: SQL ETL Data Modeling
Interactive dashboard analysing pizza sales trends, top products and peak periods to support business decisions.
Stack: Dashboarding KPIs Data Visualization
SegmentIQ - Customer Segmentation Career-Guide App
Customer segmentation project turning raw customer data into actionable groups for targeting.
Stack: Python Pandas Scikit-learn
Career guidance web app deployed live on Render.
Stack: Python Web App Render

🧠 ML / AI (my path toward AI Engineer)

E-commerce Review Sentiment Analyzer Emotion AI App
DistilBERT sentiment classifier on real Amazon reviews, with WeightedTrainer for class imbalance, CI/CD and Docker.
Stack: PyTorch DistilBERT Streamlit GitHub Actions Docker
DistilRoBERTa emotion detection with a layered architecture, 24 unit tests and interactive Plotly visualizations.
Stack: DistilRoBERTa Plotly Pytest Streamlit
Enterprise AI Assistant (Multi-Agent RAG) Transformer Playground
Multi-agent RAG assistant (research, retrieval, SQL, report, validation agents) with a FastAPI backend, Streamlit UI and JWT auth.
Stack: FastAPI Pinecone FAISS AWS Bedrock MySQL
Seven Hugging Face tasks in one app with lazy model loading and a Dockerfile.
Stack: Hugging Face Transformers Docker
CineMatch - Movie Recommender Folio - Book Recommender
Content-based recommender on the TMDB 5000 dataset with OMDb API enrichment.
Stack: Cosine Similarity Streamlit APIs
Book recommender using CountVectorizer + cosine similarity.
Stack: Scikit-learn Streamlit

🚀 All GitHub Projects


📈 GitHub Analytics


🧭 How I Work: Analytics → AI Engineering

flowchart LR
    A[🗄️ Raw Data] --> B[🧹 Clean & Model with SQL / Python]
    B --> C[🔍 EDA & Insights]
    C --> D[📊 Dashboards & Storytelling]
    D --> E[🤖 ML / NLP Models]
    E --> F[🚀 Deploy: Streamlit / Flask / FastAPI / Docker]
    F -. Feedback .-> B

    style A fill:#0d1117,stroke:#66fcf1,stroke-width:2px,color:#e6f1ff
    style B fill:#131a2a,stroke:#8b7bff,stroke-width:2px,color:#e6f1ff
    style C fill:#1a1230,stroke:#ff7bf1,stroke-width:2px,color:#e6f1ff
    style D fill:#112233,stroke:#7df9ff,stroke-width:2px,color:#e6f1ff
    style E fill:#102d2d,stroke:#4df0b5,stroke-width:2px,color:#e6f1ff
    style F fill:#20152b,stroke:#f7b267,stroke-width:2px,color:#e6f1ff
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  • Data Warehousing: Medallion architecture, ETL, data modeling, analytical SQL.
  • Analysis & BI: EDA, KPI design, dashboards, business storytelling.
  • Applied ML / NLP: Transformers, recommender systems, class-imbalance handling, evaluation.
  • Engineering Practices: Unit tests, CI/CD with GitHub Actions, Docker, clean README documentation.

🗺️ Career Roadmap

Stage Focus Status
Now Data Analyst (Apprentice): SQL, Python, dashboards, business insights 🟢 In role
Next Data Scientist: statistics, ML modeling, experimentation 🟡 Building
Long-term AI / ML Engineer: LLMs, RAG, agents, MLOps at scale 🔵 Goal

💼 Experience

  • Data Analyst - Apprentice - Colt Technology Services | July 2026 - Present Working with real business data: SQL querying, analysis, dashboards and reporting.

  • Data Science Intern - Take It Smart (OPC) Pvt Ltd Hands-on work across the data science workflow: data handling, analysis and modeling.


🏆 Education, Achievements & Certifications

  • 🎓 B.E. in AI & Machine Learning Engineering - CGPA 9.07 / 10
  • 🏅 Best Performer recognition
  • 🪟 Microsoft Applied Skills credential
  • 🌐 Certifications from Microsoft, Cisco, Coursera and more
  • 🤝 Open-source: documentation contribution to MLflow (PR #23551)

📬 Let's Connect

I'm working as a Data Analyst - Apprentice and always happy to talk about data, analytics and AI, or to collaborate on projects.

> Turning data into decisions today.
> Building intelligent systems tomorrow.

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  1. pizza-sales-analysis-dashboard pizza-sales-analysis-dashboard Public

    End-to-end Pizza Sales Analytics project showcasing SQL, Python, and Power BI expertise-delivering $817K+ revenue insights, customer behavior analysis, product performance evaluation, and KPI-drive…

    Jupyter Notebook 1

  2. SegmentIQ-Customer-Intelligence SegmentIQ-Customer-Intelligence Public

    AI-powered Customer Segmentation and Recommendation Engine using K-Means Clustering, Apriori Association Rules, Streamlit, and Scikit-Learn for e-commerce customer intelligence. 🚀📊

    Python 1

  3. churn-mlops-pipeline churn-mlops-pipeline Public

    📊 Telco Churn Prediction – End-to-End MLOps Pipeline is a production-ready ML system using the IBM Telco dataset to predict customer churn. It includes data preprocessing, Random Forest training, M…

    Python 1

  4. multi-document-rag multi-document-rag Public

    🏢 Enterprise RAG AI assistant using Pinecone, LangChain, and Groq LLaMA for intelligent multi-format document retrieval and semantic search.

    Python 1

  5. next_word_prediction_dl next_word_prediction_dl Public

    Next Word Prediction using RNN & LSTM with TensorFlow and Streamlit, enabling NLP-based sequence modeling, text prediction, and interactive deep learning web application.

    Python 1

  6. smart_attendance_system smart_attendance_system Public

    AI-based smart attendance system using face recognition, OpenCV, YOLOv8, MySQL, and Streamlit. Automates attendance, prevents proxy, sends email alerts, and provides analytics dashboard.

    Python 1