PhpBB engineer for Quiz system to serve questions from the forum topics

Looking for an experienced person to work on phpBB Quiz extension/modification to be installed on phpBB 3.0.2 forum with PHP 7.2
Will provide detailed documents and guidelines for experienced developers.
clear communication skills and available work time(EST time overlap 4 hours) will be required.
NO AGENCY. The ONLY INDIVIDUAL developer will work with us.