Hi
I AM READY TO START NOW
I have understood your requirements. I will create a custom plugin for you where you will have all features of the reference website you mentioned. It will include a custom login and registration system , more proficient error handling and catching. I have experience with Ultimate Member and User Profile Pro plugin. I can use any of both if you want and I can even develop a custom plugin for it. I will make sure it supports major payment gateways
I am a full-time Freelance WordPress, PHP developer and having 7+ years of relevant experience.
Experience with PHP, MySQL, WordPress Programming, Custom WordPress Plugins and Themes Development, WordPress API, Modifying WordPress Website Optimization WordPress Core, WordPress Hooks, Shortcodes, Metadata, Custom Post Types, and Taxonomies, etc.
Please review my similar portfolio:https://www.freelancer.com/u/vashishtrupinder
Let me know when you are available to discuss further > And when we can start work on the project
Thanks
Azad