website fixing

I am looking for a freelancer who can help me with my wordpress events website. The main tasks for this project are fixing bugs of a sign up form , connect it to mailchimp . assign it as sign up form with username and password.

Bugs fixing:
- I will provide a list of bugs that need to be fixed on the website.

sign up form:
- i will provide the list of fields to be included in the sign up form . once a user complete the sign up form a pop up should ask if he/she wish to register for the event . if he/she click on yes another message should display that an email will be sent to him in the coming days about the event .

whenever a user sign in again . a pop up should ask him if his profile information is accurate or needs update

sign up members list should be stored in mailchimp ( need to integrate it in wordpress . so we can export a list to send it to a third party event management company .
we should be able to export list based on criterias ( for example i want to exports users based on profession or gender etc... )

remove the newsletter sign up form . remove all other forms

Ideal skills and experience:
- Strong knowledge of PHP and web development
- Experience in fixing bugs on websites
- Familiarity with event management systems and forms
- Attention to detail and ability to follow instructions accurately

Ideal skills and experience:
- Experience in website development and fixing issues
- Proficiency in HTML, CSS, and JavaScript
- Attention to detail and ability to troubleshoot problems efficiently
- Ability to work collaboratively and communicate effectively