CS-Cart Add-on Developer Needed – Amazon SP-API Product Import + Price/Stock Sync + Admin Panel ⸻ Project Overview I need an experienced CS-Cart add-on developer who is highly familiar with Amazon SP-API (Selling Partner API) to build a complete and fully working CS-Cart add-on for importing products from Amazon into my store. The add-on must use Amazon Product Search API and support importing products from ANY seller — not just the brand owner. The add-on must be installable via ZIP and fully compatible with CS-Cart v4.18.4. ⸻ What the Add-on Must Do 1. Admin Panel Page The add-on must include a full settings page where I can enter: • Amazon Client ID • Amazon Client Secret • Amazon Refresh Token • Amazon LWA credentials • Amazon OAuth data • Amazon Marketplace ID • Optional: Default Category Mapping • Optional: Cron job settings for sync ⸻ 2. Search & Import Products Ability to import products via: • ASIN • Keyword Search • Category Search • Multiple ASINs at once Import must include: • Product title • Product description • Bullet points • Images • Variations (size, color, etc.) • Price • Stock availability • Brand • GTIN/EAN/UPC • Weight & dimensions ⸻ 3. Price Formula There must be a configurable price formula, for example: Final Price = (Amazon Price * X%) + Fixed Fee Or: Final Price = Amazon Price + Shipping + Custom Fee I must be able to change formula values from the add-on settings. ⸻ 4. Stock & Price Sync via Cron The add-on MUST support cron sync: • Update price from Amazon • Update stock from Amazon Frequency options: • Every 15 min / 30 min / 1 hour / 6 hours / 24 hours ⸻ 5. Clean & Correct Add-on Structure Previous ZIPs generated by other developers had errors such as: • “Incorrect add-on structure” • 404 admin page • Missing addon.xml • Wrong directories You MUST deliver a correct, installable zip file. ⸻ Tech Requirements • Experience with CS-Cart add-on development (mandatory) • Experience with Amazon Selling Partner API (mandatory) • Understand OAuth & LWA authentication • Clean code, no hard-coded paths • Stable architecture • Must pass CS-Cart add-on validation • Good communication and daily updates ⸻ Deliverables 1. Fully working add-on ZIP file that installs without errors 2. Admin panel for configuration 3. Import functionality (ASIN, keyword, category) 4. Price formula engine 5. Stock & price cron synchronization 6. Documentation (how to install + how to use) 7. 30 days support after delivery ⸻ To Apply Please include: • Examples of CS-Cart add-ons you have built • Proof of experience with Amazon SP-API • Estimated timeline • Final fixed price Only apply if you have both CS-Cart and SP-API experience. If you do not have both, please do not apply. ⸻