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An end-to-end Power BI analytics practice project exploring global Data Science salary trends, job market dynamics, and hiring funnels. Featuring interactive dashboards, advanced DAX measures, and geospatial analysis to uncover insights into compensation, degree requirements, and industry demand.

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📈 Practice Sessions - Global Data Science Job Market & Salary Analytics

🌟 Project Overview

This project provides a deep-dive analysis of the Data Science job market using Power BI. The dashboard transforms complex workforce data into interactive visual stories, helping stakeholders understand compensation benchmarks, geographic demand, and the evolving requirements for roles like Data Engineers, Scientists, and Analysts.

🚀 Key Insights & Features

  • Highest Paying Roles: Identified Senior Data Scientist ($156K) and Machine Learning Engineer ($155K) as the leading roles in median yearly salary.
  • Salary vs. Degree Analysis: Uncovered that 93.30% of Data Scientist postings require a degree, whereas Data Engineering shows a higher flexibility with 52.59% of postings not mentioning a degree requirement.
  • Global Compensation Trends: Comparison of median salaries across the UK, USA, France, and India, highlighting a peak median of over $0.2M in France for specific senior roles.
  • Hiring Funnel Metrics: A detailed funnel analysis showing a 2.4% final hire rate from an initial pool of 5.0K job posting views.
  • Work-from-Home Dynamics: Visualized that 13.15% of global postings explicitly offer remote work options.

🛠️ Tech Stack & Tools

  • Tool: Power BI Desktop
  • Data Processing: Power Query (M Language) for ETL and data cleaning.
  • Calculations: Advanced DAX (Data Analysis Expressions) for calculated columns, measures, and time-intelligence.
  • Visuals: * Sankey Diagrams for quarterly salary shifts.
    • Waterfall Charts for compensation breakdown (Base, Benefits, Stocks).
    • Geospatial Maps for degree-requirement distribution.
    • Funnel Charts for recruitment pipeline tracking.

📊 Dashboard Breakdown

1. Salary Benchmarking

An interactive comparison of Yearly vs. Hourly pay. It features a dual-axis chart showing that while Senior Data Scientists lead in yearly pay, Machine Learning Engineers often command higher hourly rates ($60.75/hr).

2. Market Trends (2024)

A time-series analysis tracking job counts and salary fluctuations throughout the year.

  • Average Job Count: 39.908K.
  • Trend: A noticeable peak in Job Counts around March/April followed by a strategic consolidation toward the end of the year.

3. Hiring & Funnel Analytics

Visualizes the journey from "Viewed" to "Hired." This section is crucial for HR professionals to identify bottlenecks in the application process where candidates drop off most frequently (between "Submitted" and "Interviewed").

🧪 Advanced DAX Examples Used

To provide deeper insights, the following logic was implemented:

  • Median Salary Calculation: Dynamic filtering based on job titles and country.
  • Year-over-Year (YoY) Growth: Tracking how salary trends shifted between quarters in 2024.
  • Goal Tracking: A gauge visual showing a median salary of $113K against a target goal of $121K.

📁 Repository Structure

  • Dashboards/: Contains exported PDF/Image versions of the report.
  • Data/: (Optional) Sample datasets or schemas used for the analysis.
  • Source_File.pbix: The core Power BI project file.

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An end-to-end Power BI analytics practice project exploring global Data Science salary trends, job market dynamics, and hiring funnels. Featuring interactive dashboards, advanced DAX measures, and geospatial analysis to uncover insights into compensation, degree requirements, and industry demand.

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