A.K Builders — Construction ERP

A growing civil engineering and construction firm needed a unified digital platform combining a high-converting public portfolio with an internal ERP to manage clients, active construction milestones, structural engineering calculations, and staged payment invoicing.

DjangoPythonTailwind CSSAlpine.jsSwiper.jsCallMeBot API

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A.K Builders homepage shown on MacBook Air with construction portfolio and ERP access

A.K Builders mobile project showcase on iPhone

Mobile Responsive View

System Architecture

Core Deliverables

Architected a Python & Django backend modeling the full lifecycle: Clients → Projects → Invoices → Installment Payments. Built a responsive Tailwind CSS & Alpine.js frontend featuring a custom Structural Design Calculator and integrated automated WhatsApp payment/deadline alerts via the CallMeBot API.

Client-to-Invoice Relational ERP

End-to-end Django data model connecting client contracts, project milestones, itemized construction invoices, and partial payment ledgers.

Django ORM
Invoice Ledger
Payment Tracking

Structural Engineering Calculator

Interactive web calculator computing material quantities and structural parameters so clients and engineers can estimate project scopes rapidly.

Alpine.js
Cost Estimation
Interactive Tool

Automated WhatsApp Notification Pipeline

Event-driven backend hooks dispatching instant WhatsApp notifications for project deadline reminders and invoice confirmations.

CallMeBot API
Python Hooks
Real-Time Alerts

Structural Design Calculator tool interface

Structural Design CalculatorA.K Builders

Invoice generation and management screen in the Django ERP

ERP Invoice GenerationA.K Builders

Project FAQ

Technical Insights

Key architectural decisions and implementation details behind A.K Builders.

Why was Django selected for the A.K Builders ERP architecture?

Django provides strict relational data integrity, a battle-tested security model, and a customizable admin interface that allowed rapid deployment of complex client-to-invoice accounting workflows.

Can custom calculators and PDF invoices be integrated into business websites?

Yes. Custom domain calculators, automated PDF invoice generators, and WhatsApp/SMS notifications can be seamlessly embedded into your company platform.

How does the platform perform for local SEO in Sylhet and Sunamganj?

The public-facing pages are server-rendered with semantic HTML, fast WebP imagery, and localized metadata, enabling strong rankings for regional construction and engineering searches.

Can this ERP model be adapted for real estate, trading, or manufacturing firms?

Absolutely. The core Clients → Projects/Orders → Invoices → Payments relational architecture adapts cleanly to real estate developers, supply chain distributors, and service agencies.

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