Java 17 Ecommerce System Modernization for HookedOnTronics – Amazon SP-API, eBay, Walmart, PayPal, QuickBooks Integration

Challenges

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  Outdated Technology Stack: HookedOnTronics’ core ecommerce platform was built on Java 5, making it difficult to scale, maintain, and integrate with modern APIs.

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  Discontinued Amazon MWS Dependency: The client relied on the deprecated Amazon MWS API for their marketplace operations, risking loss of functionality and compliance.

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  Fragmented Marketplace Integrations: Separate, legacy workflows for Amazon, eBay, Walmart, and their custom site made order management error-prone and slow.

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  Manual Shipping and Fulfillment: Shipping operations, including Amazon Fulfillment, lacked automation, delaying order processing and impacting customer experience.

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  Insecure & Outdated Payment Flow: The older PayPal setup didn’t support modern payment methods like credit card checkout with compliance and security best practices.

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  Disconnected Financial Systems: Financial records and inventory reconciliation with QuickBooks was manual, inconsistent, and prone to human error.

Tools & Technologies

Solution

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  Java 17 Modernization: Migrated the entire ecommerce backend from Java 5 to Java 17, enabling long-term support, improved performance, and access to modern frameworks.

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  Modernize ecommerce website: The existing website was not mobile-friendly and lacked modern features, leading to poor user experience and high bounce rates.

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  SP-API Implementation for Amazon: Replaced the obsolete MWS API with Amazon SP-API for streamlined order management, product listings, and performance metrics.

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  eBay & Walmart API Upgrades: Integrated the latest REST APIs for eBay and Walmart, ensuring faster order sync, listing updates, and inventory accuracy.

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  Amazon Shipping API Integration: Enabled automatic label generation and fulfillment tracking using Amazon Shipping API, improving logistics turnaround time.

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  Secure Credit Card Payments: Integrated PayPal Advanced Checkout with direct credit card payment support, ensuring PCI-compliance and improved customer experience.

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  QuickBooks Integration: Automated the financial and order data flow from ecommerce channels into QuickBooks, reducing manual reconciliation effort and improving bookkeeping accuracy.

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  Unified Order Management: Consolidated order workflows from all marketplaces and the custom site into a centralized admin dashboard for efficient processing.

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  Auto Product Listing: Automated product listing and inventory sync across all platforms i.e. Amazon, eBay, Walmart etc, reducing manual effort and errors.