Taking care of big long hair dog - pet caring exp needed

We are a couple living in Hong Kong, no kids. Top priority is to take care of our big dog. Looking for helper experienced in taking care of big dog with long hair. The dog hv minor weak knees problem so sometimes need to carry when getting on and off long stairs. Need to do daily routine housework, cooking, marketing, cleaning etc.

We hope to find someone who have already got experience for more than one year with big hairy dogs, such as golden retriever, alaska, samoyed, border collie, etc. If you do hv similar experiece pls leave a note when apply. Thanks!