There are professionals who say that this is normal in the LearningToday Community (https://community.learningtoday.net/), especially when venturing into new fields. Focus on your actual achievements, create an encouraging circle of people and reward minor successes. Do not compare with others and pay attention to your personal experience. The journaling or affirmations is effective, and the action is also effective, every step (course, application, interview) shows your development. You are at the right place.