2023 — Present
Backend Engineer (Logistics / Shipping Platform) · iShip Service Co., Ltd.
Own core backend architecture for a multi-courier logistics platform, from API integration design to production reliability and operational workflows.
- ▹Integrated 6 courier APIs (Flash, MakeSend, DHL, Ninja Van, Thailand Post, Shopee Express) into a single shipment lifecycle with create, cancel, and real-time tracking.
- ▹Designed a pricing architecture for zone, size/weight, temperature, COD, discount, and pickup rules to support accurate quote and billing flows.
- ▹Built webhook-driven pipelines for shipment status, parcel dimension updates, and automatic price recalculation to reduce manual operations.
- ▹Implemented service-area validation and API fail-safe handling before shipment creation to improve order reliability in production.
- ▹Developed a credit ledger and reconciliation flow with audit logs across requests, responses, webhooks, and pricing events.
- ▹Connected Telegram, Line, and customer webhooks for operational alerts and faster response during shipment and billing events.
- Laravel
- PHP
- MySQL
- REST API
- Webhooks
- 3rd-party API Integration
- Pricing Engine
- Logistics Platform
- Order Management
- COD
- Credit Ledger
- System Integration
