KARTIKEY SAINI | ANALYST & RESEARCH SPECIALIST

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Data-driven analyst with 4+ years of experience in data analysis and operational workflows, leveraging SQL, Python, and BI tools to drive business insights and process efficiency.
Passionate about transforming raw data into actionable intelligence, optimizing decision-making, and automating workflows for improved accuracy and performance.
Continuously exploring innovative data science applications to enhance business impact.

View My GitHub Profile

Portfolio

Welcome to my portfolio! Here, you’ll find a showcase of projects where I’ve applied data analytics, machine learning, and business intelligence to solve real-world problems.

I specialize in working with SQL, Python, Power BI, Excel, and Machine Learning to extract insights, automate workflows, and build interactive dashboards. Whether it’s data cleaning, predictive modeling, or visualization, I leverage these tools to transform raw data into meaningful business decisions.

Explore my projects below to see these skills in action!

Selected Projects in Data Science, Machine Learning, and NLP

HR Analytics

A comprehensive Power BI solution to help HR teams make data-driven decisions efficiently. This dashboard consolidates key workforce insights such as headcount, gender and age analysis, salary trends, staff growth over time, and leave balance.

View the GitHub Repository

Cognos : Retail Store Analytics

Developed a comprehensive analytics solution to help businesses make informed decisions efficiently. This dashboard consolidates key insights such as revenue trends, customer demographics, product performance, and regional sales analysis.

View the GitHub Repository

Health Data Analytics

Built an interactive Power BI dashboard to analyze patient admissions, test results, billing trends, and demographics. Extracted key insights on hospital resource planning, insurance coverage impact, and medication effectiveness from a neutral dataset.

View the GitHub Repository

Bike Sales Dashboard

Created an interactive Excel dashboard to analyze customer demographics and purchasing behavior.

  • Average Income by Purchase: Segmented by gender, marital status, and region.
  • Customer Age Brackets: Visualized purchasing behavior across different age groups.
  • Filters and Interactivity: Slicers for region, marital status, and education.
Bike Sales Dashboard View the GitHub Repository

Service Sales Analysis Report

This Power BI dashboard showcases a comprehensive sales analysis for services across different categories and regions.

  • Top Categories: Phones and Chairs lead the sales.
  • Regional Sales: Identified high-growth areas in the South and Southwest.
  • Profit Margins: Strategic discounting contributed to a **286.40K total profit**.
Service Sales Dashboard View the GitHub Repository

COVID-19 X-Ray Image Classification

Implemented Convolutional Neural Networks (CNNs) to detect COVID-19 from X-ray images. Utilized ResNet50 for improved classification accuracy.

COVID-19 X-Ray Classification
View the GitHub Repository

Glassdoor Data Cleaning Project

Cleaned and structured job listing data scraped from Glassdoor to improve usability and insights.

Glassdoor View the GitHub Repository

Emotion Detection Using NLP

Used Natural Language Processing (NLP) techniques like vectorization, tokenization, and SVM classifiers to detect emotions in text.

Emotion Detection Using NLP View the GitHub Repository

Basic ATM Code in Python

A simple **ATM simulation** written in Python, helping beginners understand **loops and functions**.

Basic ATM in Python View the GitHub Repository

Power BI Dashboard on COVID-19

Developed an interactive Power BI dashboard visualizing COVID-19 cases worldwide.

COVID-19 Power BI Dashboard View the GitHub Repository