One of the interesting by products of building a scraper to help with finding job postings is that you end up storing a lot of job posting data.
Fig 1.1: Table of the most popular job qualifications for job postings that listed Python as a qualification.
For the definition of each skill, click here.
For a breakdown by skill and jobs (only jobs that have Python as a qualification), click here.
All job posting data is stored on a local PostgreSQL server.
Fig 1.2: Line graph using Power BI, monitoring number of job postings over time, stored through the Power BI Service with daily automated refresh. Click on the icon in the bottom right corner for full screen view.