Update IAP functionality of iPhone app (Parse experience required)

I am looking for an experienced iOS developer to update the In App Purchase (IAP) functionality of an existing app. The app presently offers a single consumable IAP and I want the app to offer users a choice between 3 or 4 IAPs (consumables). The app interacts with a Parse database where the number of IAPs (and IAPs already used by the user) are recorded. Therefore, some Parse experience is Let me know about: - Your recent iOS app experience (samples) - Experience with Parse or similar tools Please only apply if you are willing to have a video Skype chat. Many thanks,