Careers

Experience with TypeScript, React, Scala or Java or ability to learn it in short time.
Linux administration skills. You should be able to configure CI pipeline for the project you work on by yourself.
Experience with Docker. Any cloud provider and Kubernetes experience is desirable, but not mandatory.
Basic knowledge of operating systems (file system, users and groups, processes).
Basic knowledge of networking (OSI model, sockets, TCP/IP, reverse proxy).
Basics of data structures and algorithms. You should be able to explain in simple words what are hash map, directed graph, binary search, etc.
Good written English . If Grammarly gives you confidence, it's OK.
It's good if you are able to articulate and express your own opinion where needed instead of blindly following the tasks list.
Functional programming experience or willingness to develop yourself in this direction.

You should be a confident PC user. In other words you should know "how to reinstall Windows".
You should have minimal programming experience. Maybe you created something with PHP and Wordpress, or wrote scripts for some game. We'll give you a simple programming task to solve on the interview.
Fluent written and spoken English .