There are a few reasons why you might want to hire a Payment Gateway Integration developer: - To save time on integration - if you don't have the internal resources to dedicate to integrating a payment gateway, then hiring someone who is already experienced in doing so can be a big time-saver. - To ensure smooth and successful integration - again, because an experienced developer will know what to do and what to watch out for, there's a good chance that the integration will go more smoothly if you hire someone specifically for the task. - For peace of mind - knowing that someone else is taking care of the technical aspects of the integration can free up your time and energy to focus on other parts of your business.