they did not response to any messages after interview. I felt that the position might be fake as they repost the job every week. there is a box that they think just inside it

First Interview Questions: What is your work process when receiving a task? Tell me about a feature you are most proud of. Tell me about a time you added code to an existing project. What were your considerations? How did you ensure the quality of your code? Tell me about a time you solved a big problem. Tell me about a time you fixed a performance issue. Tell me about a time you helped resolve a conflict.