Hi there,
Yes, I can meet your requirement.
I have done 13+ project Bootstrap (HTML5, CSS3) to Drupal convert in both Drupal 7 and Drupal 8.
I can do any website front-end & back-end changes & making new.
I am the 5+ year experience in PHP, Drupal and WordPress.
I can show my work, Let me know once you want and if you have free time then will chat.
Thanks!