HREFLANG setup

ProteoGenix is a leading biotech company specialized in protein and antibody production, peptide and gene synthesis. Our customers are pharmaceutical industries and research labs around the world.
We are currently seeking for an international SEO expert to help us to setup the hreflang tags for our website (translated in 5 languages).
The goal of your work will be to optimize your setup in order to rank our website in Europe and in the US.

Technical background:
CMS: WordPress
Page editor: WPBakery
Multilingual plugin: WPML
E-commerce: WooCommerce

Other missions could be proposed in the future depending on the success of this one and on our needs.