Backend API for a cookie e-commerce store built with Golang and PostgreSQL. Supports online payment processing and transactional emails.

• JWT-based authentication & role access (admin/user/superadmin)
• Product image upload via Cloudinary
• Payment integration with Xendit + webhook listener
• Automated email invoices via Resend API
• Admin dashboard & user order history tracking

Internal serverless backend system for automating transaction reconciliation and merchant payouts between Wine.Delivery and Xero.

• Matches transactions from Wine.Delivery with merchant invoices in Xero
• Automated settlement & payout process using AWS Lambda
• Scheduled reconciliation via serverless cron jobs
• Error handling and logging for unmatched data
• Secure API communication with Xero using OAuth 2.0

Custom backend enhancements and system integration for a Magento-based wine marketplace in Singapore.

• Customized Magento backend for merchant-driven product catalog
• Integrated product listing and pricing logic from multiple merchant sources
• Handled order and transaction flow across a centralized storefront
• Optimized Magento performance and database queries on EC2
• Maintained backend logic to keep merchant source transparent to end-customers

Company profile site for a water treatment service provider specializing in filtration systems and waste water management.

• Static site for product information and contact
• Mobile-responsive layout for clean presentation
• Lightweight and fast-loading experience