Custom POS Engineering

Your Checkout Flow. Engineered from Scratch.

Square and Toast handle simple transactions. When your business has complex modifier rules, multi-location inventory sync, custom loyalty tiers, or offline-first requirements — you need a POS system engineered around your actual workflow.

Request POS Architecture Review

Built for your transaction logic. Not theirs.

< 200ms
Transaction Processing Speed
100%
Offline Capability
Multi-Location
Inventory Sync
Transaction Flow Processing
Checkout — Item scan + modifier selection Step 1
Payment Processing — Split, card, or cash Step 2
Inventory Deduction — Real-time stock update Step 3
CRM Record — Customer profile + loyalty update Step 4
Reporting Dashboard — Sale logged + analytics Step 5
System Architecture

Five Layers. One Integrated
Transaction Engine.

Layer 01
Frontend Interface
Touchscreen UI, barcode scanner input, receipt printer integration, and kitchen display output — built to your exact hardware environment.
Touchscreen UIBarcode InputReceipt PrinterKDS
Layer 02
Transaction Engine
Modifier rules, discount logic, split payment handling, void and refund flows — every edge case in your checkout process is a first-class feature.
Modifier RulesDiscount LogicSplit PaymentsVoids
Layer 03
Inventory Layer
Real-time stock deduction on every transaction, multi-location inventory pools, low-stock alerts, and inter-location transfer requests.
Real-Time DeductionMulti-LocationLow-Stock Alerts
Layer 04
Payment Gateway
Stripe, Square, and custom processor integration — or a direct acquiring relationship if your volume justifies it. PCI-compliant by design.
StripeSquareCustom ProcessorPCI Compliant
Layer 05
Reporting & CRM
Daily sales reports, customer purchase history, loyalty tier tracking, and staff performance dashboards — all in one place, all real-time.
Sales ReportsCustomer RecordsLoyalty Tracking
Offline-First Engineering

Your POS Works.
Even When the Internet Doesn't.

Most cloud POS systems stop working the moment your internet drops. We engineer offline-first POS systems that store transactions locally and sync to the central database the moment connectivity is restored — with zero data loss and zero duplicate records.

Local SQLite / IndexedDB transaction storage during outages
Background sync with conflict resolution on reconnect
Offline inventory deduction with queue-based reconciliation
Staff can process unlimited transactions with no internet dependency
No Internet Local Storage Transactions queued Reconnect Background Sync Conflict resolved Central Database
Multi-Location Architecture

One Dashboard.
Every Location. Real-Time.

Franchise operators and multi-location retailers need consolidated visibility without sacrificing location-level control. We build central reporting dashboards that aggregate sales, inventory, and staff performance across every location in real time.

Location-level inventory pools with central visibility
Inter-location stock transfer requests and approvals
Per-location pricing rules with central override capability
Consolidated daily sales reports with location breakdown
Location 01 Downtown Location 02 Midtown Location 03 Uptown Central Dashboard Real-time aggregation
Why Not Square or Toast

What Generic POS
Cannot Do.

Capability Generic POS (Square / Toast) Solvevare Custom POS
Complex modifier rules Limited presets only Unlimited custom logic
Offline transactions Partial / unreliable Full offline-first architecture
Multi-location inventory Add-on / extra cost Built-in, real-time
Custom loyalty tiers Template-based only Engineered to your program rules
Codebase ownership You own nothing Full source code delivered
Who This Is Built For

Businesses Whose Transactions Are
Too Complex for Generic Tools.

01
Specialty Retail
Complex product variants, custom pricing tiers, and loyalty programs that generic POS templates cannot accommodate.
02
Restaurant Groups
Modifier rules, course management, split bills, and kitchen display sync — built around your exact service model.
03
Multi-Location Franchises
Central reporting with location-level control, inter-store inventory transfers, and consolidated performance dashboards.
04
Service Businesses
Appointment-linked checkout, deposit collection, package redemption, and service history tied to every transaction.
05
Wholesale & B2B
Customer-specific pricing, credit terms, bulk order discounts, and purchase order workflows built into the checkout flow.

Describe Your Checkout Flow.
We'll Build It.

Every POS engagement starts with a transaction audit — we map your current checkout process, identify every edge case, and define the exact system architecture before writing a line of code.

Request POS Architecture Review

Discovery call → Architecture doc → Engineering sprint