SaaS · ERP, POS & E-Commerce

Brikvent | All-in-One Retail ERP & Commerce SaaS

Role

Lead Full Stack Architect

Duration

6 Months

Tech Stack

Next.js 16, React 19, Zustand, NestJS 11, Prisma ORM, PostgreSQL, Redis, Socket.IO, Cloudflare R2, OpenRouter AI, Tailwind CSS

< 1sStock sync across outlets & online store
3Courier APIs (Pathao, Steadfast, CarryBee)
2 → 1WhatsApp & Messenger in one AI inbox
8User roles with granular RBAC
11In-depth audit & finance reports
6Subscription tiers, Lite to Enterprise
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Brikvent | All-in-One Retail ERP & Commerce SaaS
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Overview

One subscription to run every outlet, warehouse, online store and customer chat.

Brikvent is a multi-tenant SaaS platform that goes far beyond a typical e-commerce site. Merchants sign up, pick a plan, and get a complete business operating system: a sub-second POS for every outlet, a single real-time stock ledger shared by shops, warehouses and their online storefront, automated courier fulfillment with fraud checks, an AI-powered WhatsApp & Messenger inbox, automatic order-confirmation calls, and full double-entry ERP accounting. Products can be sold by piece, weight (kg), volume (litre) or pack size, with color/size variant matrices and auto-generated barcodes. Each tenant's data is isolated and access is controlled through granular role-based permissions, so a single shop and a 50-branch retail chain run on the same codebase.

Key Highlights

Multi-Tenant SaaS Core

Self-serve sign-up, tiered subscription plans (Lite to Enterprise) with plan-based limits on branches, SKUs and POS registers, and strict per-merchant data isolation across every query, cache key and real-time channel.

One Stock Ledger for Every Channel

Outlets, warehouses, the website and Facebook Shop all read from a single inventory ledger. A POS sale or online order deducts stock everywhere instantly, with inter-outlet transfer slips and per-outlet low-stock alerts, so merchants never oversell.

Fraud Check to Doorstep Courier Automation

Every order is scored against the customer's delivery and return history across couriers before shipping. One-click booking for Pathao, Steadfast and CarryBee, live status sync via webhooks, and automatic restock when a parcel is returned.

AI Inbox for WhatsApp & Messenger

WhatsApp Business and Facebook Page messages land in one shared inbox. An AI agent replies in Bangla or English using live stock, prices and order status, creates orders, and hands off to a human agent whenever needed.

Automatic Order Confirmation Calls

New COD orders trigger a robo-call that reads the order in Bangla and English. The customer presses 1 to confirm or 2 to cancel, the order status updates itself, and unanswered calls are retried automatically to cut fake orders.

Sub-Second POS Cashier

Barcode scanning, split tenders (cash, card, bKash, Nagad), thermal receipt printing and cashier shift drawer balancing, synced live with outlet stock over WebSockets.

Double-Entry ERP Accounting

Every sale, purchase, expense and return posts to an automated general ledger with vouchers, receivables/payables, customer and supplier dues, per-channel profit & loss, balance sheet and VAT reports.

Flexible Units, Variants & Barcodes

Sell by piece, kg, litre or pack size with decimal quantities. Color/size attribute matrices auto-generate SKUs and barcodes (EAN-13, Code 128) ready for bulk thermal label printing.

Platform Modules

More than E-Commerce.

Every module shares one database, one stock ledger and one set of permissions.

Inventory & Warehousing

Multi-warehouse stock, distribution, inter-hub transfers, purchase orders and auto-reorder thresholds.

Point of Sale

Multi-terminal POS, split payments, EMI sales, receipts and branch-level sales audit.

E-Commerce Storefront

Merchant-branded online store with catalog, cart, checkout and order tracking on the same stock ledger.

Orders & Logistics

Omnichannel order desk with fraud scoring, auto-call confirmation, courier booking and return handling.

CRM & Messaging

360° customer profiles, purchase history, loyalty tiers, SMS/WhatsApp due reminders and the AI inbox.

Accounts & Finance

Double-entry ledger, vouchers, owner equity, expenses, P&L, balance sheet and VAT compliance.

HRM & Payroll

Staff records, attendance, shifts and payroll tied into the accounting ledger.

Reports & Analytics

Dashboard KPIs plus 11 exportable reports covering stock, sales, purchases, dues, ledgers and expenses.

Administration & Security

8 built-in roles, granular permissions, activity audit logs, 2FA and per-tenant settings.

Case Study Breakdown

Implementation Guideline.

How we mapped out, designed, and launched this product stage by stage.

Multi-Outlet Creation & ManagementStep 01
Zoom
Phase 001

Multi-Outlet Creation & Management

Build and configure separate physical retail outlets, warehouses, and branch profiles. Each outlet maintains its own operational address, regional settings, and specialized local staff permissions to ensure smooth point-of-sale administration across different locations.

Intra-Branch Stock Transfer & DistributionStep 02
Zoom
Phase 002

Intra-Branch Stock Transfer & Distribution

Allows administrators to allocate and transfer physical stock between outlets and central warehouses. Generates digital transit sheets, records item counts, and tracks item positions from source to destination, reducing stock discrepancies.

Dynamic Unit & Multi-Variant BuilderStep 03
Zoom
Phase 003

Dynamic Unit & Multi-Variant Builder

Supports custom sales units directly out of the box—allowing merchants to sell products by weight (per kg), volume (per litre), packaging size, or individual items. Dynamic pricing formulas adjust cost metrics automatically based on the custom sales scale.

Color & Size Attribute Matrix GenerationStep 04
Zoom
Phase 004

Color & Size Attribute Matrix Generation

Generates a grid-based variant matrix combining product color ways, dimensions, and size parameters. Automatically creates unique SKU structures and price adjustments for each coordinate in the matrix, simplifying wholesale configuration.

Sleek Product Configuration Tab SystemStep 05
Zoom
Phase 005

Sleek Product Configuration Tab System

Admins can edit basic information, upload galleries, define SEO tags, configure pricing tiers, and configure inventory alerts across multiple tabs, making the product publishing workflow intuitive and fast.

Automatic Barcode Generation & Bulk Label PrintingStep 06
Zoom
Phase 006

Automatic Barcode Generation & Bulk Label Printing

Instantly generates unique EAN/UPC barcode graphics for new matrix variants. Includes built-in bulk PDF layout engines, allowing retail employees to print sticker labels for shelves and packaging in a single click.

Global Brand Directory & CatalogingStep 07
Zoom
Phase 007

Global Brand Directory & Cataloging

Set up manufacturer directories, brand descriptions, and brand logos. Links products directly to specific supplier brands, enabling catalog filters for online shoppers and vendor-specific sales reporting.

Multi-Outlet Point of Sale (POS) InterfaceStep 08
Zoom
Phase 008

Multi-Outlet Point of Sale (POS) Interface

A responsive, high-speed POS terminal designed for storefront employees. Features real-time barcode scanning, instant multi-currency payment checkout options, and automatic synchronization with local outlet stock levels.

Integrated Courier Booking & Logistics DispatchStep 09
Zoom
Phase 009

Integrated Courier Booking & Logistics Dispatch

Connects directly to third-party shipping API webhooks to book courier services, calculate delivery costs, generate tracking links, and print shipping labels directly from the order details screen.

Supplier Relations & Credit Limit ControlsStep 10
Zoom
Phase 010

Supplier Relations & Credit Limit Controls

Manage procurement contracts, log wholesale shipments, and trace supplier invoice histories. Enables custom credit limits and logs ledger payments to prevent over-purchasing from vendor channels.

Enterprise Sales Order & Transaction RegistryStep 11
Zoom
Phase 011

Enterprise Sales Order & Transaction Registry

A consolidated list tracking transaction logs, active orders, and fulfillment cycles across all storefront channels, complete with payment status tags and multi-currency exchange summaries.

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Location

Dhaka, Bangladesh

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