Full Stack Developer for Manufacturing & Commodity Logistics Platform (Legacy system modernization)

Job ID: 39890054

Budget: $15 – $25 AUD

We are seeking an experienced Full-Stack Developer (or small team) to design and build a new in-house commodity trading and logistics platform, replacing our 30-year-old legacy system currently used for day-to-day operations.

This platform will manage all aspects of our business, including contacts, contracts, logistics dockets (LDD / LRR), products, and financial transactions, with full reporting and integration into existing systems such as MYOB.

Key Project Scope

Objective:
To modernize and streamline internal business systems by replacing our aging, Clarion-based software with a scalable, web-based solution.

Core Modules:

Contacts — Segmented by type (Broker, Customer, Supplier, Freight, Grower), with credit limits and roles.

Products — Seed, oil, meal, and by-products, with specification data and quality metrics.

Contracts — Sales and purchase contracts with full status workflows, pricing models (fixed, basis, market index), and document generation.

Logistics — Load Despatch Dockets (LDD) for sales and Load Receival Dockets (LRR) for purchases, including weighbridge integration.

Finance — Invoice, payments, and credit management, integrated with MYOB.

Reports & Dashboards — Real-time visibility on position, exposure, and margin data.

User Roles & Permissions — Trader, Admin, Logistics, Finance.

Integration Requirements:

MYOB for financial data sync.

Weighbridge ticketing system.

PDF contract/invoice generation.

Technical Preferences

Frontend: React.js (Tailwind or similar)

Backend: Node.js (Express) or Python (FastAPI/Django)

Database: MySQL or SQL Server

Hosting: On-premises Windows or Linux server

Project Phases

Phase 1 (MVP) — Contacts, Products, Contracts, and Logistics modules (6–8 weeks)

Phase 2 — Finance integration, reporting, dashboards, and extended automation

What We Expect

Clean, modular, well-documented code

Unit and integration testing

Deployment and configuration documentation

Experience in legacy system modernization or data migration highly valued

Ongoing maintenance and support post-launch

To Apply

Please include:

Examples of similar systems you’ve developed (preferably in trading, logistics, or ERP).

Suggested architecture / tech stack outline.

Proposed timeline and cost estimate.

Overview of relevant experience (especially with system migrations).