WordPress-Based Custom Database Website with Advanced Search & Filtering

I’m looking to build a custom WordPress-based platform that organizes and displays structured records in a clean, user-friendly interface. This is not a standard blog or basic site — it will require custom development to support advanced search, filtering, and relationships between data. Core Requirements: Built on WordPress (custom theme and/or plugin preferred) Easy-to-use backend for adding, editing, and managing records (important) Structured data system (custom post types, taxonomies, or custom database tables) Advanced filtering (multiple fields, ranges, combinations) Ability to search across separate but related datasets from a single interface Logic that allows related or potentially connected records to surface dynamically Fast and responsive search performance Clean, intuitive UI for users Admin Experience (Very Important): I need to be able to easily add, edit, and update entries without technical knowledge Bulk upload/import options are a plus Clear structure for managing different types of records Bonus Experience (Preferred): Experience with complex WordPress builds (not just themes/page builders) Work involving directories, databases, or research platforms Experience with search optimization, filtering systems, or data matching Ability to recommend plugins vs custom build where appropriate Deliverables: Fully functional WordPress website Custom search + filtering system Cross-dataset querying functionality Admin interface for managing data Documentation or walkthrough To Apply, Please Include: Examples of similar work (especially database-driven or directory-style sites) Your recommended approach (plugins vs custom build) Estimated timeline and cost Any suggestions to improve performance or scalability Apply tot his job Apply To this Job