noppawat chochaipantawong

Admin System (Backoffice — TH & MY)

• ›Designed and built end-to-end Warehouse & Inventory Management — inbound/outbound scanning, item registration, and full audit logging.
• ›Built the Payment & Financial System supporting multi-channel customer payouts, partner payments, and a commission calculation engine with financial reporting for the accounting team.
• ›Developed partner-integration APIs following external specifications, and coordinated cross-company staging tests prior to production releases.

Trade-in Platform (Branch-facing)

• ›Developed order creation flow for multiple device types (smartphones, tablets, computers) with custom features — image annotation & marker tool and model-specific photo upload.
• ›Integrated M-Pay and ShopeePay Later payment gateways across frontend and partial backend, including a deposit flow that secured transactions upfront and saw significantly higher usage during campaign periods.

Admin-Global (Multi-country assessment platform — TH & MY)

• ›Built the Matching Order system (FIFO + configurable business rules) that automatically assigns orders to available assessors, eliminating manual order selection.
• ›Developed User Management with role-based access control across all platforms and countries.
• ›Built an Order Simulator for pre-campaign staff training — configurable bulk order generation to realistically simulate high-traffic conditions (tens of thousands of orders/day).

Customer Website & Mobile App

• ›Built an SEO-optimized customer-facing trade-in website with self-assessment, appointment booking, and campaign trade-toward-purchase features.
• ›Built a React Native (Expo) WebView mobile application for branch staff with bidirectional native↔web communication to speed up in-store customer service.

Operations & Tooling

• ›Embedded AI tools across the full development lifecycle — requirements grooming, planning, documentation, acceptance criteria, test cases, and code review.
• ›Investigated production issues using AWS CloudWatch logs to identify root causes and support incident resolution.

• ›Developed and maintained web and mobile applications across multiple client projects using React, Next.js, and React Native within agile sprint cycles.
• ›Integrated REST APIs, converted Figma designs into responsive components, and collaborated with UX/UI designers, QA engineers, PMs, and outsourced backend teams to deliver on schedule.

• ›Two-year fellowship teaching in an underserved Thai school — planned and delivered lesson plans, managed classroom, and collaborated with teachers and the community to support student development.