How can I become a Google Developer Expert on Flutter?

Usually, Google Developer Experts are selected through referral by a Google employee or an authorized partner. However, you can personally reach out to the Google Contact in your locality or an active expert or do both to show your interest. Check the following link for eligibility criteria and more information:

https://www.startupbahrain.com/features/heres-how-to-be-a-google-developer-expert-gde/