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I will fix toast shopify square clover lightspeed loyverse restaurant pos integration
Twain Louisa
About this gig
Struggling to sync your physical store with your online shop? I fix, build & optimize POS systems across Shopify POS, Square, Clover, Lightspeed, Toast & Loyverse.
FIXES:
- Ghost inventory & Available/Committed stock sync
- Hardware fixes (card readers, printers, scanners, POS Hub migration)
- Barcode/SKU mismatches - bulk CSV cleanup
- Failed migrations - scrambled catalogs/customers fixed
- Payment gateway issues (Stripe, PayPal, Authorize.Net)
- Offline sync failures & duplicate sale reconciliation
BUILDS (Setup):
- Platform migrations (Square/Clover to Shopify)
- BOPIS setup with location routing
- Staff PINs, shift sign-in, tax & tipping config
- Multi-tablet & table ordering setup for servers, cafes & restaurants
- Online ordering setup & delivery app sync
- Menu/catalog setup with modifiers & pricing
- POS app Loyverse, SumUp, DriPOS, TouchBistro
- Lightspeed product variants, suppliers & analytics
- Wired POS Hub hardware setup
- E-commerce sync (WooCommerce, Magento, Amazon, eBay)
- QuickBooks/Xero accounting integration
- KDS & kitchen order flow (Toast/Square)
- Wholesale/B2B portals
Message me first, I'll scope your setup!
square pos, clover pos, Loyverse pos app, lightspeed pos, toast pos, shopify pos
Delivery style preference
Please inform the freelancer of any preferences or concerns regarding the use of AI tools in the completion and/or delivery of your order.
Get to know Twain Louisa
Twain Louisa
Quality Service, Reliable Results
- FromGermany
- Member sinceJul 2026
- Avg. response time1 hour
Languages
German, English, French, Italian
Wix website specialist focused on fixing, redesigning, and developing Wix websites, Wix Studio, Wix Stores, ecommerce, responsive layouts, checkout, payment gateways, CMS, Velo, APIs, bookings, SEO, and website errors.
I also work with Shopify POS, ecommerce stores, and packaging design.
Whether you need a quick Wix bug fix, mobile responsiveness, store customization, payment integration, or a complete redesign, I provide clean, reliable solutions tailored to your business.
My Portfolio
FAQ
Which POS platforms do you support?
I set up and integrate Shopify POS, Square, Clover, Toast, Lightspeed, and Loyverse for retail, restaurant, cafe, and multi-location businesses. square pos, clover pos, pos app, lightspeed pos, toast pos, shopify pos system, pos developer, pos setup, pos integration, point of sale system, pos expert
Can you fix ghost inventory or stock sync errors?
Yes. I clean up inventory sync issues and configure Available vs Committed stock states so your online store and in-person register never oversell. square pos, clover pos, pos app, lightspeed pos, toast pos, shopify pos system, pos developer, pos setup, pos integration, point of sale system, pos
Do you migrate my POS from Square or Clover to Shopify?
Yes. I handle full platform migrations, transferring product catalogs, customer data, and sales history without breaking your live store. square pos, clover pos, pos app, lightspeed pos, toast pos, shopify pos system, pos developer, pos setup, pos integration, point of sale system, pos expert, retai
Can you set up BOPIS (Buy Online, Pick Up In-Store)?
Yes. I configure BOPIS with correct location routing so customers see accurate pickup availability for the right store at checkout. square pos, clover pos, pos app, lightspeed pos, toast pos, shopify pos system, pos developer, pos setup, pos integration, point of sale system, pos expert, retail pos,
Do you configure staff PINs, shift sign-in, or permissions?
Yes. I set up staff PINs, shift sign-in for servers, and role-based permissions so only managers can approve refunds or discounts. square pos, clover pos, pos app, lightspeed pos, toast pos, shopify pos system, pos developer, pos setup, pos integration, point of sale system, pos expert, retail pos,
Can you set up multiple tablets for servers in my cafe or restaurant?
Yes. I configure multi-tablet POS systems for servers, including shift tracking and synced order flow across every device. square pos, clover pos, pos app, lightspeed pos, toast pos, shopify pos system, pos developer, pos setup, pos integration, point of sale system, pos expert, retail pos
Do you integrate payment gateways like Stripe or PayPal?
Yes. I integrate Stripe, PayPal, and Authorize.Net, and troubleshoot flagged or failing payment processors on your POS. square pos, clover pos, pos app, lightspeed pos, toast pos, shopify pos system, pos developer, pos setup, pos integration, point of sale system, pos expert, retail pos, restaurant
Can you build restaurant menus and kitchen display (KDS) setups?
Yes. I build menu categories, modifiers, and pricing, and route orders to kitchen display systems for Toast, Loyverse, and Square. square pos, clover pos, pos app, lightspeed pos, toast pos, shopify pos system, pos developer, pos setup, pos integration, point of sale system, pos expert, retail pos
Do you sync my POS with QuickBooks or Xero?
Yes. I map POS transactions into QuickBooks Online or Xero with correct tax categories and sales accounts for clean bookkeeping. square pos, clover pos, pos app, lightspeed pos, toast pos, shopify pos system, pos developer, pos setup, pos integration, point of sale system, pos expert, retail pos
