Provide developer services for a self-written site

Need a developer for the site
Site technologies: - git (bitbucket)
- php7
- mysql
- js
- css.
- The site is self-written.
- There is a lot of legacy.
List of ALL PROTEX tasks set in the trello:
1. Remove external 404 links
2. Remove the redirect chain
3. Image optimization – facilitate up to 100 KB without loss of quality
4. Replace the sitemap and add a sitemap image
5. Remove unnecessary H5 headings
6. Close multiple slash by setting up a 301 redirect to the domain
7. Replace meta tags
8. Adjust the robots.txt file (for better ranking of images)
9. Adjust meta tags in the "News" section
10. Write a title for all pictures (make the task in parts, for example, in sections due to the large volume)
11. Remove the cyclic link on the icon in the footer of the site (find out where it should lead, if the service is up to date, put a relevant link)