Project - Building a Rental Marketplace Platform

Overview

Huren.nl is a rental marketplace that aggregates inventory from external rental companies, allowing consumers to rent cars, trailers, tools, and other equipment directly through the platform. I worked as a freelance senior PHP developer on building this new platform from the ground up.

Key Contributions

Rental Platform Core

Built the core marketplace application where rental companies manage their entire operation:

• Product management — Rental providers configure their inventory, availability, and product details through a dedicated back-office application built with Symfony.
• Pricing engine — Implemented the full rental pricing model, supporting configurable rate structures (hourly, daily, weekly), seasonal pricing, and deposit rules.
• Business rules & rental conditions — Developed the logic layer that enforces rental terms, minimum/maximum durations, age restrictions, and other conditions that vary per provider and product category.

Consumer-Facing Rental Flow

The platform enables end-users to search, compare, and book rentals directly on Huren.nl with real-time availability and transparent pricing drawn from the provider configurations.

Geo Search for Mieten.de

Developed a backend search service for mieten.de, the German sister site, powered by MySQL Full Text Search. This service enabled location-based discovery of rental providers and their inventory across Germany.

Testing with Behat

Used Behat for behavior-driven testing of the rental flow, ensuring that complex pricing calculations and business rule validations were covered by automated acceptance tests.