WordPress Developer for 3 Financial Websites

I need an experienced WordPress developer to set up three interconnected websites for my online ventures: online banking, cryptocurrency, and travel.

Key Requirements:
- All sites must be built on WordPress.
- The online banking site should have essential banking functionalities.
- The cryptocurrency site should include vital crypto features.
- The travel site should be intuitive and user-friendly.

Ideal Skills and Experience:
- Proven WordPress development experience.
- Familiarity with online banking and cryptocurrency website requirements.
- Strong design skills for an attractive, user-friendly interface.
- Ability to implement secure user authentication and transaction processes.

Please provide samples of similar work done.