## Companies

id | name | location
--- | --- | ---
1 | Company A | New York
2 | Company B | San Francisco
3 | Company C | Boston
4 | Company D | Chicago
5 | Company E | Los Angeles

## Technologies

id | technology_name
--- | ---
1 | JavaScript
2 | Python
3 | SQL
4 | Ruby on Rails
5 | GoLang

## Roles

id | title | Technology_Career | Grade
--- | --- | --- | ---
1 | Software Engineer I | Software Developer | Entry
2 | Software Engineer II | Software Developer | Middle
3 | Software Engineer III | Software Developer | Senior
4 | Data Scientist I | Data Analyst | Entry
5 | Data Scientist II | Data Analyst | Middle
6 | Data Science Manager | Data Analyst | Senior