Spotify uses a Java SE subscription which provides all Java SE licensing and supports(source). Java is very fast, well documented with over many active developer communities. They also use Java for Android.
Read moreIs Spotify built with Python?
Spotify’s backend consists of many interdependent services, connected by own messaging protocol over ZeroMQ. Around 80% of these services are written in Python . The non-Python services are typically written in Java, although we do have a few using C or C++. Speed is a big focus for Spotify.20 Mar 2013
Read moreWhat companies uses Django?
Here are 9 global companies using Django:
Read moreShould I use Virtualenv for Django?
So the answer is yes. The virtualenv is not a requirement to set up a Django project .
Read moreWhich Python version is best for Django?
Since newer versions of Python are often faster, have more features, and are better supported, the latest version of Python 3 is recommended. You don’t lose anything in Django by using an older release, but you don’t take advantage of the improvements and optimizations in newer Python releases.
Read moreWhich IDE is best suited in Django?
15 Best Django IDE and editors
Read moreIs Django JavaScript or Python?
js is a framework that JavaScript uses on a client-side web application, whereas Django is a Python framework used to develop fully functional websites faster with less coding.
Read more