Hiring a developer who writes maintainable code offers numerous advantages. Firstly, it saves time and reduces costs. If code is well-structured, easy to understand and modify, developers spend less time figuring out what the code does and more time on enhancements or bug fixing. This also reduces the need for extensive documentation, which can be time-consuming to create and update.

Secondly, maintainable code enhances the longevity and adaptability of your software. With technology evolving rapidly, your software needs to keep up with changes without requiring a complete overhaul. Maintainable code is easier to adapt, upgrade, and scale, making your software more resilient to changes in business requirements or technology.

Thirdly, it promotes better teamwork and collaboration. Developers tend to work in teams and having maintainable code ensures that everyone can understand and contribute to the project. It also makes onboarding new team members easier, as they can quickly understand the code and start contributing.

Lastly, maintainable code reduces the risk of errors and improves software quality. This is because it is easier to spot mistakes in clean, well-organized code than in complex or messy code. This leads to more reliable software and improved customer satisfaction.

In conclusion, hiring a developer who writes maintainable code is a smart investment that can save time, reduce costs, and improve the overall quality of your software.