redis + redis sentinel devops

nginx + uwsgi devops

Linux devops

Asynchronous IO and coroutines

Python network programming

Custom SMTP/ESMTP servers and clients

Custom DNS servers and clients

Custom HTTP Servers and clients

Scraping, HTML/CSS/JS parsers

Message Queues

Algorithms

Cryptography

Automated browsers and Bot detection

Scene design

Costume design

2D/3D design