I woulld to know what is the difference between kind and kinds.
How to use these words?
could someone explain to me.
One kind, two kinds.
One kind of cookie is my favorite.
There are three kinds of cookies in the package.

What more would you like to know?
Kind is an adjective, also. It means polite and loving.

He is a kind and gentle old man.
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There are many kind/kinds of jobs offered/offering by the company.( which one is correct?)
 AlpheccaStars's reply was promoted to an answer.
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Kinds is correct because "many" means more than one. The plural form is required.
Offered is correct. It is the passive form.
The jobs are offered by the company.
The active form would be:

The company is offering many kinds of jobs.