Timber barn

I am in need of someone with expertise to build a timber barn with small size of around 200sqm. The main purpose of the barn is to be used for a weekend cabin and storage, and I already have a detailed plan for the design which will need to be done to Australian standards with For Construction details. The perfect candidate should be familiar with timber construction and the types of wood available in Australia. They should also have the necessary skills to understand how to build a sturdy structure for this purpose similar to a viking longhouse in the photos attached. I also have a Revit model to share so you can review but it is over 25MB limit so will need to share the link. If you are up for the challenge, I would like to hear from you!