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Completed Project

Multi-Tenant Freight Brokerage & TMS Platform

B2B freight brokerage platform unifying LTL rating, booking, tracking, documents, and billing through multi-tenant RBAC and pluggable carrier integrations.

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Multi-Tenant Freight Brokerage & TMS Platform
RoleSoftware Engineer
Timeline2026
TeamPrivate platform
Tech Stack7 Technologies

Mission Brief

A private B2B transportation-management platform that brings LTL rating, booking, tracking, documents, and billing into one operational system. The platform is organized as a modular monolith with strict tenant-scoped access control, a pluggable carrier-integration framework, and dependable shipment workflows for critical logistics operations.

Key Features

Freight Operations

  • Unified Workflows: Brought LTL rating, booking, tracking, documents, and billing into a single B2B freight-operations platform.
  • Clear Domains: Organized quotes, shipments, carriers, tracking, documents, and billing as distinct modules within a modular monolith.
  • Shipment Lifecycle: Implemented a shipment lifecycle state machine with transactional persistence and integration gates for critical paths.

Carrier Integration Layer

  • Adapter Framework: Built a pluggable carrier adapter framework for ODFL, Estes, TForce, Mothership, and additional providers.
  • Resilient Requests: Used thread pools, timeouts, and circuit breakers to isolate carrier failures.
  • Extensible Architecture: Kept provider-specific behavior behind adapters so new carriers can be integrated without changing core shipment workflows.

Tenant Security & Reliability

  • Tenant-Scoped RBAC: Enforced backend roles from SUPER_ADMIN through VIEWER within each tenant boundary.
  • Outbox Pattern: Added an outbox pattern to support reliable integration processing.
  • Quality Coverage: Used Testcontainers to validate critical backend behavior against realistic dependencies.

Engineering Chronicles

Carrier API Variability

SolutionBuilt a pluggable adapter framework with thread pools, timeouts, and circuit breakers so provider-specific failures do not destabilize core workflows.

Strict Tenant Isolation

SolutionEnforced tenant-scoped role-based access control from SUPER_ADMIN through VIEWER at the backend.

Reliable Critical Workflows

SolutionCombined a shipment lifecycle state machine, transactional persistence, an outbox pattern, and integration gates for critical paths.

Installation Instructions

Platform Access

Private platform — access is restricted to authorized organization users.

Technical Case Study

A walkthrough of the architecture and selected implementation details is available on request.

Live Platform

https://tms.fasttrackexp.com/

Technology Focus

Java, Spring Boot, PostgreSQL, Supabase, Next.js, AWS S3, and Testcontainers.

Project Access

Live Demo

Technologies

Java
Spring Boot
PostgreSQL
Supabase
Next.js
AWS S3
Testcontainers

Table of Contents

  • • Mission Brief
  • • Key Features
  • • Engineering Chronicles
  • • Installation Instructions
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