WordPress Custom Functionality Development with customisation on installed theme -- 2

I'm seeking an experienced WordPress developer to implement custom features I will share and perform necessary customizations on my website.

Ideal Skills and Experience:
- Proficiency in WordPress, PHP, and MySQL
- Experience with developing custom plugins and themes
- Strong understanding of WordPress architecture and security
- Familiarity with various WordPress page builders
- Ability to work with APIs for integration purposes
- Good communication skills for updates and clarifications

Please provide examples of previous work and a brief outline of your approach.