i'm using salesforce lightning but i want to learn more and be an expert.

Hi @Efraim Albino,

Learn and complete these trailmixs in trailhead:

1. https://trailhead.salesforce.com/users/ndecraene/trailmixes/lightning-trailmix
2. https://trailhead.salesforce.com/content/learn/trails/lex_admin_implementation
3. https://trailhead.salesforce.com/content/learn/trails/build-platform-apps-in-lightning-experience