Joomla expert required to work on existing system

This is my website [login to view URL] I want to implement some new functionality as well as small fixes in exiting system. Initially, required to fixed some issues. this is ongoing work year by year , endless work. but i can afford maximum 3USD for 1 hour, because i have developed this site, but due to sort of time, i want a partner developer, who will expert and do whatever i need, which is possible in PHP in respect of Joomla. I will pay weekly basis, whatever you done in fixes and changes. Before hoing to start you have to give me approx hour to fix. then i will confirm and you will done in my live site. Always take a backup of file, which you want to edit, if not fixed in the same day then revert back that code and try next day. Please share your project based on Joomla. I will test you? 1) Forgot username and password don’t work 2) Add date range selector for year 2018 and make sure it pulls the data within the selected range I will share the detail in private chat, where is the problem and login credential, that you can see the issue.