CodeIgniter Developer Needed for Upgrades & Fixes and a version upgrade of PHP and CI

I need a skilled CodeIgniter (CI) developer to address several issues in my current system. The project involves bug fixing, feature updates, and a version upgrade of PHP and CI.

Register message
wrong login error message
send user on same page after register as login
same issue on advertiser and dristubuter
on activating user from admin an email should go to user
on admin user management search should work from email too
Some issue in webseries advertisement (advertisement not coming)
in admin TV series add video not playing it play after you edit video and change source to embed video
in blog poster is not coming
swap color for normal and hover
video are not deleted from server when deleted from admin
forgot password mail and messages are not working

Will share test server then need tp deploy on main

Ideal Skills and Experience:
- Proficiency in CodeIgniter (CI) framework
- Strong PHP development skills
- Experience with bug fixing and feature updates
- Prior experience in upgrading CI versions
- Ability to work with minimal guidance