Shihaab Tech
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Back to workOffline-capable retail operations SaaS
A retail operating system built to keep billing moving, even without signal.
Angady brings the counter, stock room, purchasing desk, customer ledger, reports, and owner controls into one focused product designed around the realities of modern Indian retail.Retail operations map
Shihaab build
Offline-ready retail OSPOSInventoryPurchasesCustomers
OfflineReportsHealthTrust
Project proof
Live work with real operational depth.
Offline-protected billing
Inventory and purchasing
Retail health insights
Problem
What needed to change
Give modern Indian retailers one dependable operating system for billing, inventory, purchasing, customers, reports, and staff control without letting poor connectivity stop the counter.Solution
What was built
A multi-tenant Next.js and Supabase retail SaaS with POS, inventory and batch movements, purchasing, customer credit and loyalty, reporting, business health, owner controls, Tamil and English interfaces, offline sale protection, and Razorpay subscription billing.Result
What it enabled
A working retail operations foundation that keeps daily work in one product, protects offline sales for later replay, and gives owners clearer control over stock, staff actions, customer balances, and business performance.Business value
What the build now makes easier.
01
Billing that survives weak signal
Sales can be protected on the device, queued with a unique operation identity, and replayed when connectivity returns without silently duplicating a bill.
02
One view of retail operations
POS, products, stock, purchases, customers, credit, loyalty, reports, and business health live in one structured workspace instead of separate registers and spreadsheets.
03
Control without slowing the counter
Tenant isolation, staff roles, manager approvals, audit trails, and exception review give owners stronger control while routine billing stays fast.
Product system
Features that made the build useful.
Offline-capable POS with durable sale replay
Product, variant, barcode, batch, and stock movement management
Purchasing, goods receipts, suppliers, and stock transfer workflows
Customer credit, loyalty, purchase history, and WhatsApp receipt paths
Sales reporting, inventory health, reorder, expiry, and dead-stock signals
Multi-tenant roles, manager approvals, audit logs, and subscription controls
Delivery focus
The build priorities behind the finished product.
Fast counter workflows designed for keyboard, barcode, touch, and low-connectivity use
Immutable sale and stock records with tenant-scoped security and auditable corrections
A bilingual, installable retail experience shaped for Indian businesses
Build process
How the work was shaped.
Retail workflow mapping
The product was shaped around the counter, stock room, purchasing, customer ledger, and owner review tasks that retailers repeat every day.
Trustworthy data architecture
Tenant-scoped RLS, immutable financial events, atomic checkout RPCs, and auditable stock movements protect the operational core.
Offline resilience
Dexie, service-worker caching, idempotent client operation IDs, ordered replay, and review states keep billing dependable when connectivity drops.
Stack
Next.jsTypeScriptSupabasePostgreSQL RLSDexieTanStack QueryZustandRazorpay
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