Speed Optimize & Integrate WP Sites

I'm seeking a skilled WordPress developer to enhance my websites.

Tasks include:
- Speed Optimization
- Improve page load times
- Reduce high server response times
- Optimize slow database queries

- Website Integration
- Merge color looks https://dialabad.in/ (Classified) & https://directory.dialabad.in/ (Directory)
- Unified login using same user credentials
- Display featured ads from both sites on home pages via feeds

- Modify Login Requirements
- Remove email as mandatory
- Add mobile number and social login options

- Admin Training
- Guide on changing menu and custom fields in listings

Ideal Skills & Experience:
- Proven WordPress optimization techniques
- Experience in integrating multiple WordPress sites
- Familiarity with user authentication methods
- Knowledgeable in WordPress admin configurations

Please share your portfolio and relevant experience with your bids.