I will diagnose shopify webhook inventory and order sync issues

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Jinyu H

About this gig

Orders missing, stock drifting, or the same webhook processed twice? I will investigate one Shopify order or inventory sync incident and give you an evidence-based next step.


Former Shopee engineer with 2 years of production-system experience in JavaScript/TypeScript, internal tools, API integrations and troubleshooting.


For one store, one integration and one reproducible incident, you receive:

- An event/data-flow timeline from the logs and samples you provide.

- Findings on delivery delays, duplicates, retries, inventory ownership or data mapping as relevant.

- An evidence-backed cause, or a clear account of missing evidence and limits.

- A prioritized repair plan and acceptance tests.


This is diagnosis only. Production changes, implementation, new apps, store redesign and ongoing monitoring require a separate quote. One revision clarifies the report within the original scope.


Please message me before ordering to confirm fit and available evidence. Start with redacted logs, timestamps and an affected order/SKU. Use limited collaborator access only if needed; never send passwords.


Get to know Jinyu H

Jinyu H

Shopify App and Integration Developer, Former Shopee Engineer

  • FromChina
  • Member sinceOct 2026
  • Avg. response time1 hour
  • Languages

    Chinese
Former Shopee software engineer with 2 years building and maintaining production systems. I help Shopify merchants connect orders, inventory and profit data through webhook troubleshooting, ERP and 3PL integrations, shipping APIs, and Google Sheets reporting. My stack includes JavaScript, TypeScript, React, Vue and Node.js. I trace failures through logs and data flows, define clear acceptance criteria, and deliver tested, documented code. Start with a focused diagnostic or pilot, then expand through agreed milestones.