WordPress Migration Needed

I need an experienced WordPress developer to migrate my site from shared hosting.

Requirements:
- Migrate a WordPress site (1GB to 5GB) with standard themes and plugins
- Ensure minimal downtime during migration
- Update DNS settings as necessary
- Provide post-migration support for any issues

Ideal Skills:
- Proficiency in WordPress
- Experience with site migration
- Knowledge of DNS and hosting environments
- Strong problem-solving skills

Please share your previous work on similar projects and estimated completion time.