The experience is quite rewarding. It consists of three steps: First, you complete an online assignment where you solve a problem and answer a multiple-choice quiz (QCM). If you pass this stage, you will then proceed to a behavioral interview. During this interview, you will be asked questions such as "Why Oracle?" and "Where do you see yourself in the next five years?"

Hackerrank into a 20 minutes behavioural interview. a technical interview about general CS and IT knowledge and some competitive programming. An additional interview with the manager in case you pass the technical.