PHP/JS - WordPress Developer

I am looking for a WordPress Developer with knowledge of PHP and JS (and HTML / CSS) - incl. implementation of new solutions or modification of existing code snippets as needed for individual orders.

I care about permanent cooperation. Number of hours per month depending on the needs of our clients.

Form of cooperation: we sign a cooperation agreement, NDA and I contact you when we receive the order. Billing at the end of the month based on all hours worked.

Examples:

- editing the theme code (including made / modified by other agencies / freelancers without documentation

- implementation of a new code for the client's needs - new solutions and functionality

- support for the code of plugins and themes made by another developer / agency (without documentation)

- fixing various bugs, page problems etc. caused by non-standard PHP / JS code

Please, provide the rate for 40 hours of net work and information about the rate for 1 hour net. If you have any questions, feel free to write :)