How to build an Interactive Job Map Application using Python, MySQL and D3.js

1. What cities are in demand for a
Data Scientist, today?
Andrea Gigli
https://about.me/andrea.gigli

2. Goal
• To build a map of the cities offering jobs for Data
Scientists
• To make the map interactive, allowing users to
select a language and see the cities offering a Data
Scientist job for a selected programming language
• To show other “hot” languages for the selection
above

3. Tools
• Python for
– Scraping web site, elaborating data and retrieving
Latitude and Longitude
– Building an API for querying the data base and make
the map interactive
• PhpMyAdmin for storing data
• Jquery for passing arguments to Python
• D3.js for visualization

4. Where we got data (1/2)
Job_url

5. Where we got data (2/2)
Job_id
Job_skill
Job_degree
Job_language
Job_city

6. Where we stored data
Jobposting Table Joblanguage Table

7. How we make the map interactive
Click here!

8. Here we are!
It changes!
It changes!
It changes!

9. Thanks!
Andrea Gigli
https://about.me/andrea.gigli