Hi, Dear Client!
As a professional React Native mobile application developer, I am very familiar with React, React Native, iOS, Android etc.
According to your job descriptions, I think I am very good fit for your job because I have real experiences and ability to complete your job.
If you give me the job, I will do my best to complete the job and can start it immediately.
I'd like to discuss with the job in more detail through the interview.
Looking forward to your reply.
Best Regards.