I have been working at TEKsystems full-time
In one single word 'Everything'
Haven't come across so far
I applied through college or university. The process took 2 days. I interviewed at TEKsystems in August 2017.
The first round was a written test which consists of 45 questions which had mostly aptitude and some techinal questions. It also had 2 company related questions.
Shortlisted candidates move to second round which was a GD round. Topic was should national anthem be played in movie theaters? It was followed by two technical interviews which were focused on a code we had to write before the interview. There was a hr round in the end.
Overall the people were very friendly and very supportive.