Well done! Your self-introduction is excellent and well-prepared. There are many good points in your interview. Firstly, you pointed out your target position and provided some specific knowledge, skills and competence to support your objective. Then, you use “I am” to express yourself, which made you more confident. Next, you provide some details and example to prove you are competence, which is a good way to prove your ability. So I think your interview is successful.