Expert WordPress developer required to work on site with customised plugins and theme

Details are included below but a more thorough brief and wireframes will be provided to the successful bidder. Code should meet WordPress Coding Standards. GIT access can be provided. You will need to contribute code to an existing WordPress theme and plugins. We need new custom post types with multiple custom fields, including a field that lists other post types. One post type will require meta capability mapping. Page templates to display this content are also required. *Create custom post-type: BUILDER* Requires custom fields, including logo image, and URL *Create custom post-type: PACKAGE* Requires several custom fields, including logo image, brochure file upload, and association with a BUILDER ID from the previous post type. *Create BUILDERS index page* Basic WP_Query for BUILDER post-type Will also need to show a count of PACKAGES associated with BUILDER Minimal markup and no styling required. *Create PACKAGES index page* Basic WP_Query for PACKAGE post-type *Create filter form for PACKAGES index page* A filter form will be needed to query the custom fields in the PACKAGE. The form will have approximately 6 options: - Builder (ID comparison) - Development (ID comparison) - Bedrooms (checkbox) - Bathrooms (checkbox) - Size (range) - Price (range) This will need to alter the WP_Query args when the form is submitted and show PACKAGES based on this filter. Minimal markup and no styling required.