BizAlly — Enterprise ERP Platform

Multi-Tenant Cloud ERP & Workflow Automation System

A modern, modular multi-tenant enterprise resource planning (ERP) platform designed for mid-market manufacturing, distribution, and commercial trade businesses.

My RoleFull-Stack System Architect & Engineer

IndustryEnterprise SaaS & Supply Chain

DeploymentProduction

Integrations9 Technologies

Verified Outcomes & Engineering Metrics

< 250ms

Invoice Generation Speed

100%

Tenant Data Isolation

98%

Stock Discrepancy Reduction

Core Features & Functional Deliverables

Multi-tenant schema architecture with strict tenant data isolation

End-to-end sales lifecycle: Quotations, Proforma Invoices, Delivery Challans, and Tax Invoices

Dynamic inventory tracking with multi-warehouse transfer management and SKU batch tracing

Automated PDF document generation with dynamic regional currency and tax configurations

Granular Role-Based Access Control (RBAC) with fine-grained department permission matrices

Real-time analytics dashboard with revenue trajectory, margin analysis, and stock velocity

Automated notifications and workflow status triggers powered by Redis pub/sub

System Architecture & Data Flow

Built with a Next.js App Router frontend communicating with a high-throughput NestJS microservice layer. Employs Redis for caching and distributed rate-limiting, alongside PostgreSQL with row-level security and schema isolation for multi-tenancy. Deployed with automated preview environments on Vercel.

Architectural Data Pipeline

Tenant Client Dashboard

Next.js SSR→

Vercel Edge Network

Tenant Context Header→

NestJS Backend API

Session & Fast Ledger→

Redis Cache

NestJS Backend API

Row-Level Security→

PostgreSQL Database

Key Engineering Challenges & Solutions

Engineering Challenge 1

Tenant isolation and high performance across complex reporting queries.

Architectural Solution

Partitioned critical ledger tables and implemented Redis query caching with automated cache invalidation upon invoice mutation events.

Engineering Challenge 2

High-concurrency stock allocation during flash quotation conversions.

Architectural Solution

Implemented atomic PostgreSQL transactions with optimistic concurrency controls and distributed locks to eliminate race conditions.

Technologies Applied

Next.jsTypeScriptNestJSPostgreSQLRedisVercelTailwind CSSPrisma ORMDocker

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