Sandeep.
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2025
Full-Stack Web Application

CodeSpec ERP

An enterprise resource planning platform engineered to streamline business operations, inventory, and cross-team workflows.

CodeSpec ERP
ROLE
Lead Full-Stack Engineer
TIMELINE
4 Months (2025)
CATEGORY
Full-Stack Web Application
STATUS
Shipped & Active
Technologies & Infrastructure
Next.jsTypeScriptPostgreSQLPrismaTailwind CSS

01 / OVERVIEW

The Context & Scope

CodeSpec ERP was built to replace fragmented spreadsheet workflows and legacy ERP systems for a high-growth distributor. The goal was to unify order processing, inventory tracking, supplier procurement, and real-time business analytics into a unified, lightning-fast web platform.

The Challenge

The Problem

The client's internal operations were slowed by decentralized systems, redundant data entry, stock discrepancies, and poor visibility across departments, resulting in shipping delays and invoice errors.

The Architecture

The Solution

We engineered a modern, modular ERP built on Next.js and Prisma with a PostgreSQL database, featuring event-driven architecture, granular RBAC (role-based access control), and responsive real-time data grids.

02 / CORE CAPABILITIES

Key Features & Highlights

Real-time multi-warehouse inventory tracking with automated replenishment alerts
Dynamic purchase and sales order processing workflows with approval chains
Auditable role-based permissions matrix for 50+ staff members
Interactive data visualizations for revenue forecasting, profit margins, and supplier performance

03 / EXECUTION

Development Process

Phase 01
Domain Analysis & Wireframing

Conducted stakeholder interviews with warehouse managers and finance controllers to map out end-to-end data flows.

Phase 02
Data Modeling & Schema Design

Designed normalized relational schemas with composite indexes for sub-millisecond query execution.

Phase 03
Incremental Component Delivery

Developed an internal design system with high-density data tables, keyboard shortcuts, and optimistic UI updates.

Phase 04
Load Testing & Rollout

Simulated 10,000 concurrent SKU updates and deployed with zero-downtime migration pipelines.

Technical Hurdle

Key Technical Challenge

Handling concurrent stock adjustments across multiple regional warehouses required strict database transactions and optimistic locking to prevent race conditions during peak flash sales.

Business & User Impact

Measurable Results

Reduced order fulfillment time by 42%, virtually eliminated stock discrepancies, and provided leadership with instant visibility into cash flow and operational metrics.