The most important thing when you’re preparing for the job interview is your confidence. If you don’t believe you’ll get this position, there is no sense in even going to the interview. So, keep in mind that you’re great! You’re intelligent, responsible, hard-working and super talented. They’ll be lucky to have you! With such a spirit, you’ll take recruiter’s breath away for sure. What is more, you need to conduct a small research: find out everything about this job, company, its corporate culture, organization, etc. During the interview, you’ll show that you’ve already known a lot which will definitely show how enthusiastic and serious you’re. Good luck!