There are a few advantages to hiring a waterfall developer:
They are experienced in working with traditional, linear development models. This can be beneficial if your project requires adherence to strict timelines and budget.
Waterfall developers are typically very detail-oriented and organized, which can be helpful in ensuring a high level of quality for your project.
Since the waterfall model is well-documented and understood, it can be easier to find resources and support for this type of development.