Sure! Let's discuss in brief about that Custom Plugin which you want to build.
Of course, I can build the Custom Wordpress Calendar Plugin.
I am 6+ years Experienced Senior WordPress Designer & Developer with the Front-End & Back-End Development Skills. I have excellent skills with PHP, HTML/HTML5, CSS2/3, JavaScript, Jquery, Ajax, MySQL, Bootstrap4(responsive sites) and so on.
*My Skills-*
> PSD to (Full Responsive) WordPress Site
> Custom & Responsive theme
> Installing & Configuring ready-made Themes
> Themes Development & Customization
> Plug-ins Development & Customization
> Payment Gateways integration
> 3rd party API integration like social networks, mail chimp, CRM & others
> WordPress version updated to the newer available one
> Hand-coded HTML, accessible, validated, semantic and SEO-friendly
> Knowledge of W3C Standards & Accessibility
> Cross Browser Compatibility (IE, FireFox, Chrome, Opera, UC & Safari)
Please let me know your availability & best time to discuss this in brief.
Look forward to hearing back from you soon.
Warms Regard,
Shailendra