Case Study • Mobile App

Tire Warehouse Platform

B2B/B2C Tire Ordering App | Legacy API Modernization

Project Overview

A modern mobile ordering platform for a major tire distributor, sitting on top of legacy APIs to streamline ordering for dealers and consumers.

The Product Story

The client used to rely on phone calls and PDFs. We built a modern mobile app that lets dealers and consumers browse inventory and place orders in real-time.

It’s a high-performance, Flutter-based front-end over a messy legacy backend — made to feel like a brand-new platform.

 Key Capabilities Dealers log in to see specific pricing and place bulk orders
Consumers browse tires and request orders
Real-time inventory, product details, and fitment data
 

The Challenge

We had to solve for a legacy Java API with inconsistent formats and strict session timeouts.

Legacy API with JSESSIONID cookies and nightly expiration
Inconsistent API data formats
Complex pricing logic (Dealer vs Consumer)
Performance expectations for busy shops

Solution Delivered

Architecture

Flutter + GetX for UI and state management
AuthService managing secure storage and session renewal
Automatic 3:00 AM reauthentication logic

Key Features

Advanced tire search with filters
Normalized size display (e.g., '175/65R14 82T BSW')
Add to Cart shortcuts (+1, +2, +4)
Landscape tablet mode for warehouse usage

Results & KPIs

✓ Order placement time reduced by ~55%

✓ Reduced support calls for inventory checks

✓ Highly stable sessions despite legacy backend constraints

#tire ordering app#Flutter B2B ecommerce#legacy API modernization#GetX state management#wholesale ordering platform

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