If you are really good at work you are always appreciated and shall be awarded with the certificate and awards
They also create a position for your - growth perspectives if they feel you are an amazing candidate and sincere at work.
Its an amazing company to work with
If you got an offer for tech process - sales and you should not join.. rest all process are good.
As per my interaction and experience, working with C3i was a wonderful learning experience, it was very professional. However, C3i has back end support also which lets you take the day shift and once in a while attend a night shift only if you have to attend a con-call with the client in US.