I applied through college or university. The process took 1+ week. I interviewed at Orion Innovation (London, England) in Oct 2018
Interview
There is 4 level of interview process. Aptitude, communication, technical and face to face. Aptitude and communication rounds are paper pen based. In technical, they give a Scenario, we have to write the code depends on that in any programming language. In face to face, they ask you to explain the program you written in the technical, and test your verbal skills.