Hello,
I have gone through your requirements, you need a android developer for get some methods to integrate on your app.
So, I am ready to do this job.
I have a vast experience in android development so I can quickly develop those methods for you.
waiting for your reply.
Let me tell you about myself, I have worked on more than 50 android applications in five years of my professional career.
I have expertise in android development, full knowledge of Android life cycle - Material design - REST api - Sqlite database - Payment integration - Third party library integration - Background services - Firebase.
One more thing I am full time freelancer so will always available for support and communication.
Let me know if you are interested, I am ready to discuss everything before you award me this task.
Thanks,
Hardip