This post has content in Portuguese language, but most of courses are in english.
Aniway, it’s always good to learn. Why not learn another language?
Microsoft free courses in IA, DevOps and Cloud: https://news.microsoft.com/pt-br/microsoft-abre-ao-publico-cursos-de-treinamento-em-inteligencia-artificial/ & https://academy.microsoft.com
Google training at Brasil: http://idgnow.com.br/carreira/2018/04/23/google-oferece-treinamento-gratuito-para-4-mil-profissionais-de-ti-em-sp/
cya!