This happened notably for example where the creator of Redux Dan Abramov, who is also one of the main maintainers of React and Create React App was employed by

This happened notably for example where the creator of Redux Dan Abramov, who is also one of the main maintainers of React and Create React App was employed by Facebook in London. Discussing salary it appeared that he was making less than your average React developer in San Francisco: https://news.ycombinator.com/item?id=22331478 https://news.ycombinator.com/item?id=22331478