Having spent over a decade deeply committed to the world of full-stack development and web design, I have acquired a seasoned proficiency in all things WordPress, including WooCommerce. I have expansive knowledge when it comes to developing excellent user experiences for websites with complex functionalities, such as user authentication and data sharing like yours.
With regard to your precise project requirements, I have successfully created and implemented user authentication mechanisms in numerous projects throughout my career. My understanding of security measures is robust, and I can implement best practices to ensure your users' data remains confidential and protected at all costs.
Another area where I can provide substantial value makes the synchronization with on-premise servers seamless.
I'm proficiently versed with PHP/CI, My SQL, Mongo DB & RESTful APIs that makes me perfectly capable of handling the backend tasks seamlessly. So, I reassure you not only the solution to your current requirement but also long-term assistance in maintaining this web application effectively.
If you entrust this project to my care, I'll ensure that your WordPress website features secure & user-friendly login options, streamlined data sharing instincts, & scheduled synchronizations; Your trust won't be repented!