"Additionally, we complement our efforts by using external hedge fund managers, which gives us access to unique approaches that both add performance and diversify risk."
They are a sponsor of PyCon and their booth is always a hub of activity. Last year they held mini tutorial sessions with prominent Python developers who demonstrated PyCharm with various programming examples (like Flask, virtual environments and Jupyter notebooks).
I was able to talk directly with the PyCharm developers to figure out a problem I was having when starting new projects. Their developers are friendly and very knowledgeable.
I have no hesitation renewing my PyCharm subscription knowing that these guys are building a great product that makes my work easier.
https://asciiwwdc.com/2018/sessions/111
The engineer's name is Danielle Feinberg and she did a similar TED talk two years before WWDC (even the titles are similar).
https://www.youtube.com/watch?v=Z1R1z9ipFnM