Greetings,
I have checked your job posting "Video Downloader, Mp4, Mp3 playlist." and I am interested in this project.
I have ever developed a number of projects so far and I can provide the perfect results you want.
As I'm familiar not only with mobile skills but also backend part as well, I think there's no technical problem.
I hope to discuss more the project and to work with you soon.
Thank you in advance.