Yes, I am sure and have done mostly similar work for different WordPress websites. I have implemented and hand coded huge numbers of WP plugins as per their scope.
Relevant Skills and Experience
I have a comprehensive understanding of WordPress core software, database connectivity, and its functions. Hands on experience in creating and customizing WordPress themes and plugins.
Proposed Milestones
$180 USD - Plugin customizing
Please provide more details of your website as well as widget and plugin.