Amazon SP API Consultant / Developer for Migration from MWS Project

We are looking for an individual freelancer to help us with a very specific project which surrounds the development of all features/functionalities of Amazon SP API.

Our company is working on the migration from MWS to SP API and are finding lots of challenges.

Freelancer must be extremely familiar and knowledgeable of the following aspects:

GetInboundGuidanceForSKU
GetInboundGuidanceForASIN
CreateInboundShipmentPlan
CreateInboundShipment
UpdateInboundShipment
GetPreorderInfo
ConfirmPreorder
GetPrepInstructionsForSKU
GetPrepInstructionsForASIN
PutTransportContent
EstimateTransportRequest
GetTransportContent
ConfirmTransportRequest
VoidTransportRequest
GetPackageLabels
GetUniquePackageLabels
GetPalletLabels
GetBillOfLading
ListInboundShipments
ListInboundShipmentsByNextToken
ListInboundShipmentItems
ListInboundShipmentItemsByNextToken
GetServiceStatus
Inbound Datatypes
Error codes

Please apply if you have developed application that is current and live with the above API's.

We are a public developer for Amazon Sellers and need additional support right away.