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Lumier Cosmetics - Multi-Warehouse Ecommerce
Agent-centric ecommerce platform with regional warehouse distribution
Client: Lumier (Indonesia/Malaysia/Singapore)
Company: PT. Gaza Karya Utama
Role: Fullstack Developer (Freelance via Agency)
Year: 2025
Status: Active Development
Live URL:Live Site ↗
Technologies Used
LaravelLivewirePostgreSQLAlpine.jsTailwind CSS
Features
- Geo-based agent order routing
- Multi-warehouse inventory sync
- Flash sale with complex pricing rules
- Agent POS system
Achievements
- Reduced shipping costs by 30% via smart agent routing
- Solved race conditions in inventory management
- Handled 50+ conditional pricing rules
Development Approach
Built as a freelance developer to solve Lumier's distribution challenges:
- Designed PostgreSQL schema for complex product relationships
- Implemented real-time inventory updates across warehouses
- Created automated commission calculations for agents
Technical Highlights
- Materialized views for nested product data
- Advisory locks for high-concurrency sales events
- Queue-based email notification system
- Custom export to Excel reporting