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I will setup shopify pos integration fix inventory sync errors and migrate square toast
Alex Mercer
About this gig
Losing sales to broken inventory sync or hardware errors? Stop fighting your register.
As a Shopify POS expert, I resolve software glitches, build clean retail automations, and manage flawless platform migrations.
WHAT I DO:
1. Emergency Bug Fixing & Patching
- Fix shopify pos out of stock alert pop up loops.
- Clear shopify pos slow checkout connectivity issues.
- Resolve v11 mobile cart crash & v10.20 update bug fixing.
- Fix pixel 11 tap to pay & activity log access error.
2. Hardware & Smart Grid Setup
- Star micronics receipt printer setup shopify pos.
- Custom shopify pos smart grid architecture custom keys.
- Barcode scanner, cash drawer & shopify pos go standalone mode troubleshooting.
3. Migrations & Replacements
- Migrate square to shopify pos with no data loss.
- Clover to shopify pos migration & lightspeed to shopify pos integration.
- Stocky migration and inventory workflow setup.
4. Multi-Channel & ERP Sync
- Amazon shopify inventory stock sync & TikTok Shop inventory sync automation.
- eBay shopify multichannel stock synchronization.
- Quickbooks online automated revenue tracking sync & Odoo 17 POS multi location erp migration.
Message me now to discuss your store setup!
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Get to know Alex Mercer
Alex Mercer
Shopify Developer and Automation Specialist
- FromUnited States
- Member sinceSep 2026
- Avg. response time1 hour
Languages
English, French
I'm a Shopify developer who automates the repetitive parts of running a store. I set up API integrations, Zapier and n8n workflows, and email automation with Klaviyo or Omnisend, so orders, inventory, and customer emails run without manual work.
I build custom Shopify apps and webhooks, connect Shopify to your other tools, and automate flows like abandoned cart emails, order syncing, and inventory updates. I also handle general Shopify development and store fixes.
Message me with your store link before ordering.
FAQ
Can you perform a migration from Square or Clover without losing my data?
Yes, absolutely. I specialize in moving product catalogs, customer profiles, variants, SKUs, and historic sales records with zero data loss.
Do you need my master Shopify account password?
No. To keep your information completely safe, I only require standard staff or collaborator account permissions to do the work.
Can you fix real-time inventory multi-channel sync loops?
Yes. I build clean, automated workflows that bridge Shopify POS directly with Amazon, TikTok Shop, and eBay to ensure your online and retail stock balances match instantly.
