WordPress Site Optimization & Integration

I'm seeking a skilled WordPress developer for a multi-faceted project:

Key Tasks:
- Website Speed Optimization
- Merge https://dialabad.in/ (Classified) & https://directory.dialabad.in/ (Directory)
- Unified login with same user credentials.
- Display featured ads from both sites on home pages via feeds.
- Modify user registration.
- Remove mandatory email.
- Add mobile number and social login options.
- Create Admin Guide for SEO-compliant post listing

Ideal Skills:
- Proven experience in WordPress development.
- Strong knowledge in website speed optimization.
- Expertise in merging WordPress sites.
- Familiarity with user authentication methods, including social logins.
- SEO knowledge to guide content listing.