Python and Ruby are fine for embarrassingly parallel problems, like serving content from well-sharded users. I'd be very surprised if Robinhood's trade matchin

Python and Ruby are fine for embarrassingly parallel problems, like serving content from well-sharded users. I'd be very surprised if Robinhood's trade matching engine is done in Python. I'd bet they use an off-the-shelf engine in C++/Java or another language with good multi-threading support. > computers are cheap is the message I get and remember to keep it simple. Fully agree! Getting to product-market fit is probably easier with python and ruby.