Firebase expertise in Android needed now

Budget:30$,please do not bid more than this,Minimum of 5 years experience in Android development. 1)Send push notifications and redirect to concerned intents on click of [login to view URL] implementation,notification will be dependent on user, 1-2 hrs 2)Add Other amount which should be redirected to payment gateway and come back,code already there from [login to view URL] section,30 mins 3)change logo image,15 mins 4)Send call logs to API from background,will provide API-1 hr Need to have bitbucket to push code. Communication is important,need to have patience ,will test/review it once you send code, and apk,update to playstore and then release milestone,need to have bitbucket account. Looking for long term relationship only.