DL-065 · Case study
Flash-sale inventory protection for a marketplace retailer
A marketplace retailer running frequent promotional campaigns needed to reduce overselling during periods of unusually high order volume.
- Client
- Name withheld
- Location
- Indonesia
- Industry
- Consumer electronics and marketplace retail
- Capabilities
- 01Audit02Stabilize03Build
01
Challenge
- Inventory changes reached different marketplaces at different speeds.
- Flash-sale campaigns could generate orders faster than the existing stock synchronization process handled.
- Manual stock corrections created operational uncertainty after promotions.
02
Environment
- Shopee, Tokopedia and TikTok Shop.
- Centralized stock records, an existing OMS and warehouse reservation services.
- High-volume promotional periods.
03
Intervention
- Audited inventory synchronization latency and reservation behavior.
- Introduced a centralized stock allocation model with channel-specific buffers.
- Designed event processing, idempotent reservations and periodic reconciliation.
- Added operational alerts for inventory inconsistencies and unusual order spikes.
04
Outcome
- A more controlled approach to stock allocation during promotional peaks.
- Improved detection and handling of marketplace inventory discrepancies.
- Reduced dependence on manual inventory adjustments.
- 01STOCK POOLShared→ALLOCATIONChannel buffers
- 02ALLOCATIONChannel buffers→MARKETPLACESShopee / TikTok
- 03MARKETPLACESShopee / TikTok→RESERVATIONSIdempotent
- 04RESERVATIONSIdempotent→RECONCILIATIONPeriodic
Stack and services.
Tell us what has to work.
A senior engineer reads every brief. Describe the system, what it runs on today and what happens when it fails.
Discuss a project→