GPG Plumbing - Australia Based On Demand Service Platform(
https://gpgplumbing.com.au/ )
• Built and maintained the admin panel using NestJS and Next.js, implementing RBAC, multi-role access, booking workflows, jobs module, and custom APIs for mobile developers.
• Integrated Xero, AWS S3, IMAP email services, and third-party tools to enable file storage, accounting sync, email read/unread tracking, bounce detection, and user reply visibility inside the jobs panel.
• Developed advanced UI features: drag-and-drop reordering, powerful filters, infinite scroll, type-ahead auto-prompt sentence suggestions, and a highly optimized data management experience.
• Implemented scalable backend operations using BullMQ queues for large dataset exports, ensuring high performance, reliability, and smoother admin operations.