Everi Software Developer interview questions

Very informal communication. Contacted me out of the blue months after I applied. All communication was texts and calls as opposed to emails. Phone screen followed by technical assessment followed by tech interview with two engineers. Last step was an in-person 3 hour panel interview.

There were two interview round.In first round they asked me about the oops concept and in second interview round they asked me to write the code to implement the linked list and one puzzle