Mailing list or websites for remote teaching positions in universities

I'm currently a part time math lecturer in an engineering college in France, but 
I'm very much willing to teach undergraduate level math courses outside France.
However, despite searching on usual platforms like Indeed, LinkedIn I didn't find any such position.

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I'm ideally looking to teach a course online, while remaining in France. I'm sure such possibilities exist but they're often not well advertised So could you please suggest me some such websites or mailing lists where such jobs are advertised? It could be country-specific, and that's okay!