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Case Study 02 Enterprise Operations & ERP Shipped to Production

Enterprise Construction & Field Operations ERP

Replaced fragile legacy spreadsheets with a resilient, full-stack enterprise operations platform—delivering automated compliant electronic invoicing, real-time site profitability tracking, and AI-assisted tender analysis.

React 19 (Vite) Node.js Backend SQLite WAL Local-First Cache PostgreSQL / Supabase Electronic Invoicing Standards (XML + PDF) Mistral AI Document Parser
THE BOTTLENECKS

Spreadsheet Chaos & Compliance Risk

  • Critical project finances scattered across 40+ un-versioned Excel workbooks.
  • Delayed progress billings and uncollected holdbacks (retenues de garantie).
  • Lack of compliance with upcoming mandatory government electronic invoicing mandates.
  • Site supervisors wasting 12+ hours per week manually calculating labor and material margins.
THE ARCHITECTURE

Unified Real-Time Operations Core

  • High-speed React 19 dashboard with sub-second data filtration and offline-friendly cache.
  • Automated compliant electronic invoice generation combining hybrid XML data and signed PDFs.
  • Real-time project profit-and-loss (P&L) telemetry with automated budget variance alerts.
  • AI document extraction converting supplier PDF delivery notes into structured line items.
System Topology

Engineered Components & Data Flow

LAYER 01

Field & Office UI

Role-based React 19 interface optimized for both desktop accountants and mobile site supervisors.

LAYER 02

Local-First Data Hub

SQLite WAL write-ahead log caching ensuring instant UI feedback even during weak site network connections.

LAYER 03

Billing & XML Engine

Automated schema validator embedding semantic XML metadata into standardized PDF/A-3 billing files.

LAYER 04

AI Tender Ingestion

Mistral AI microservice extracting unit prices, labor hours, and technical scopes from RFP documents.

Core Modules

Engineered Capabilities

📑

Compliant Electronic Invoicing

Generates fully validated hybrid electronic invoices (PDF/A-3 + XML) matching European and international standards with zero third-party per-invoice fees.

🏗️

Progress Billing & Retainage Tracking

Automates monthly percentage-of-completion billing, change order supplements, and holdback release schedules with automated client approval workflows.

📊

Real-Time Job Costing & Margins

Correlates subcontractor hours, equipment rental logs, and raw material invoices against initial budget baselines to surface cost overruns immediately.

🤖

AI Estimate & RFP Extraction

Automated AI analysis of complex PDF architectural specifications to generate draft price schedules and supplier quote requests in seconds.

15h/week Saved per Project Manager
100% E-Invoicing Compliance
0 Billing Data Loss Incidents
4 Weeks Sprint Delivery
Custom Sprint Delivery

Need a Custom Operations ERP or Billing Engine?

Available for 4–8 week bespoke engineering sprints to build custom ERPs, compliant electronic invoicing modules, or field operations platforms.

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