• Project Overview - I am looking for an experienced WordPress plugin developer (or a team) to build a custom plugin that will power a B2B marketplace / directory / listing portal, similar in capability to *FreshDi.com*. The plugin should integrate seamlessly into my WordPress site and provide a fully-featured, scalable, and secure solution. • Key Features & Requirements - Below is a list of core and desirable features. We can discuss prioritization, timelines, and modules in more detail once we shortlist candidates. *Core Features* 1. Vendor / Business Registration & Profiles • Ability for companies / vendors to register, provide business information, upload logos and images, manage their profiles • Verification workflow (admin approval, email verification) • Tiered membership plans (free, premium) with different benefits 2. Listings / Product / Service Directory • Vendors can list their products / services, with categories, tags, descriptions, images, videos • Each listing should have metadata fields (location, price range, SKU / product codes, etc.) • Search & filter capabilities (by category, location, price, tags, etc.) 3. Search / Browse / Discovery • Front-end search engine: keyword + category + filters • Sorting (by relevance, date, rating, etc.) • Featured / sponsored listings that appear at top 4. AI / Smart Recommendations (Optional / Advanced) • Suggest similar or relevant vendors / listings to users • Possibly “You might also like” / “Related business” modules • Insights or analytics dashboards for vendors (views, clicks, trends) 5. Messaging / Contact / Inquiry System • Visitors can contact vendors via inquiry forms • Internal messaging / chat (optional) • Email notifications to vendor and admin on new inquiry 6. Reviews / Ratings / Feedback • Visitors can rate / review vendors or individual listings • Moderation / approval by admin 7. Membership / Subscription / Payments • Payment gateway integration (e.g., PayPal, Stripe, local gateways) • Automate recurring/subscription payments • Manage membership tiers, upgrade / downgrade 8. Admin / Backend Dashboard • Admin panel for managing vendors, listings, payments, reviews, site settings • Dashboard analytics / statistics (number of vendors, listings, revenue, traffic) • Moderation tools (approve / reject listings, reviews) 9. User Role & Permissions • Role management (visitor, registered user, vendor, admin) • Permissions for accessing different functionalities 10. Responsive UI / Front-End Design • Clean, modern, and responsive design • Compatibility with major WordPress themes / page builders • Mobile-first approach 11. Security, Performance & Scalability • Data sanitation, validation, secure coding practices • Caching, query optimization • Scalable so it supports growing number of listings & users 12. Localization / Multilingual Support • Support for multiple languages (WPML / Polylang integration) • Currency localization 13. Import / Export / Data Migration • Bulk import / export of listings (CSV, XML) • API endpoints (optional) *Desired Tech Stack & Standards* • Built for WordPress (PHP), preferably as a well-structured plugin (object-oriented, following WordPress coding standards) • Use of custom post types, custom taxonomies, meta fields, custom tables (if necessary) • Use of AJAX, REST API endpoints for front-end interactions • Compatibility with major WordPress page builders (Elementor, Gutenberg) • Use of modern tooling (e.g. Composer, PSR-4 autoloading) • Clean architecture, extensibility (hooks, filters) • Thorough documentation (for install, usage, customizing) • Unit / Integration testing (if possible) • Good code comments and maintainability Deliverables 1. Fully functional WordPress plugin (files, documentation) 2. Demo / staging site setup with plugin integrated 3. Installation and deployment instructions (Optional) Training / handover to site admins 5. Source code version control (Git repo) *Proposal Requirements* To help me evaluate your proposals, please include: • Portfolio / examples of similar plugins or WordPress marketplace / directory work Your approach / architecture for this plugin • Timeline estimate with milestones • Cost estimate (fixed price or hourly) • Any recommendations / enhancements you’d suggest • Technologies / frameworks you plan to use • How you handle testing, documentation, and quality assurance • Post-delivery support / maintenance terms