POS software development gives retailers a fast, reliable point-of-sale system that ties checkout, inventory, customers and reporting into one platform you own outright. We design and build custom POS software for single stores and multi-branch chains, engineered around your real workflows, margins and hardware rather than a rigid off-the-shelf template.
This page is for businesses that want to hire a development partner to build POS software, not for shoppers looking for a ready-made till app. As an offshore team, we act as your product engineers: you bring the retail model and commercial goals, and we turn them into working software, ship it in stages, and hand over every line of source code so you are never locked into a vendor.
Key modules and features
Sales and checkout
- Barcode and QR scanning with fast keyboard and touch entry
- Line-item and cart-level discounts, promotions and coupon rules
- Split payment across cash, card, e-wallet and store credit
- Suspended sales, held tickets and quick recall at the till
- Printed and digital receipts with tax and VAT breakdown
- Refunds, exchanges and returns with reason codes and audit trail
- Offline mode that keeps selling when the network drops and syncs later
Inventory management
- Real-time stock levels updated on every sale, return and transfer
- Product catalog with variants for size, color and unit of measure
- Low-stock alerts and automatic reorder point suggestions
- Cost tracking, margin calculation and price list management
- Batch, lot and expiry tracking for perishable and regulated goods
- Stocktake and cycle-count tools that reconcile counted vs system quantities
Customer, CRM and loyalty
- Customer profiles with purchase history and contact details
- Points-based loyalty, tiers and reward redemption at checkout
- Store credit, gift cards and prepaid balances
- Targeted promotions and birthday or win-back offers
- Consent-aware marketing data for SMS and email campaigns
- Customer-level reporting on spend, frequency and lifetime value
Multi-store and branch management
- Centralized control of products, prices and promotions across branches
- Per-store pricing, tax rules and currency where you need them
- Stock transfers between outlets with in-transit tracking
- Consolidated head-office dashboard across every location
- Role-based access so each branch sees only its own data
- Franchise-friendly structure with owner and operator separation
Payments and hardware integration
- Integration with card terminals, EMV readers and contactless devices
- E-wallet and QR payment gateways for your target markets
- Receipt and label printers, cash drawers and barcode scanners
- Weighing scales for grocery and deli counters
- Customer-facing displays and self-checkout kiosks
- Tokenized, PCI-aware handling of card data at the terminal
Purchasing and suppliers
- Purchase orders raised from reorder points or manual entry
- Goods receiving that updates stock and landed cost
- Supplier records, price agreements and lead times
- Partial deliveries, backorders and returns to vendor
- Three-way matching of order, receipt and invoice
Staff, permissions and reports
- Cashier logins, shifts, cash-in and cash-out reconciliation
- Granular permissions for discounts, refunds and voids
- Sales-by-staff, commission and productivity reporting
- Daily sales, tax, margin and inventory dashboards
- Exportable reports and scheduled email summaries
E-commerce and omnichannel sync
- Two-way stock and price sync with your online store
- Unified customer and loyalty data across web and store
- Click-and-collect and ship-from-store fulfillment
- Consolidated orders from marketplaces and social channels
- Single source of truth for inventory across every channel
Benefits and business value
A purpose-built POS removes the daily friction that generic tills create. Checkout gets faster, queues get shorter, and staff spend less time fighting software. Because inventory updates in real time, you cut stockouts and overstock, protect margin, and trust the numbers you report on. Loyalty and customer data turn one-time buyers into repeat revenue, while a single omnichannel view lets you sell the same stock online and in store without double-counting.
Most importantly, you own the platform. There are no per-terminal license fees that scale painfully as you add branches, and no vendor deciding which features you are allowed to have. Your custom software development investment becomes an asset on your balance sheet, not a recurring cost you can never escape. For a wider view of what we build, see our custom software development services and full solutions catalog.
Who it’s for and what we build
We build POS platforms for fashion and footwear chains, grocery and convenience stores, pharmacies, electronics retailers, cafes, restaurants and quick-service outlets, and franchise networks operating dozens of locations. Whether you are a growing brand replacing an over-priced SaaS till, an enterprise standardizing a fragmented estate, or a software company that needs a white-label POS to sell under your own name, we build to your model. Pair it with a customer-facing ecommerce app development project for a complete omnichannel stack.
How we build
We start with discovery: mapping your store workflows, hardware, tax rules and reporting needs so the scope reflects reality. Next we build a clickable prototype so you can see the checkout and back office before we write production code. From there we move into iterative development in short sprints, showing working software every few weeks and adjusting as feedback comes in. Each release goes through functional, performance and hardware testing, and we validate the till under real load before it reaches a shop floor. At handover you receive complete source code, documentation and deployment support.
We usually recommend starting with an MVP: the core sell screen, inventory and reporting for one or two stores. Once it proves itself in daily use, we layer on loyalty, multi-branch, purchasing and omnichannel. This keeps your first investment tight and gets a working till in front of staff quickly. A dedicated inventory management software module often follows once the core POS is live.
Why build with an offshore team in Vietnam
Building with an offshore team in Vietnam gives you senior engineering at a fraction of US or European rates, without cutting corners on quality. Vietnam has a deep pool of experienced retail and mobile developers, strong English communication, and working hours that overlap usefully with both Asia-Pacific and Western afternoons. Our software outsourcing Vietnam model gives you a committed team, transparent progress and predictable cost. You keep full source-code ownership and IP from day one, so nothing about your POS is trapped with us.
Frequently asked questions
How much does POS software development cost?
Cost depends on scope, number of modules and integrations. A focused MVP for one or two stores is far cheaper than a full multi-branch omnichannel platform. After discovery we give a fixed, itemized estimate so you can decide what to build first and what to defer, and our offshore rates typically land well below Western agencies for the same quality.
How long does it take to build?
A core POS MVP usually takes about two to four months. A full platform with loyalty, multi-store, purchasing and e-commerce sync commonly runs four to eight months, delivered in stages so you get usable software early rather than waiting for one big release.
Do we own the source code?
Yes. You receive complete source-code ownership, documentation and IP rights on handover. There are no per-terminal license fees and no lock-in. You can host it, extend it, or bring the work in-house whenever you choose.
Can it integrate with our existing hardware and accounting?
Yes. We integrate with barcode scanners, receipt and label printers, cash drawers, card terminals, scales and kiosks, and connect to your accounting, ERP and e-commerce systems so data flows without manual re-entry.
Build your POS platform with CIT
If you are ready to replace expensive, rigid till software with a platform you own, let’s scope it. Tell us about your stores, hardware and goals, and we will map an MVP, a timeline and a clear estimate. Contact our team to start your POS software development project with a Vietnam offshore partner that hands you every line of code.
