Per hour hiring allowing to have more control over the project's scope and budget, and only pay for the hours worked on a project and provide flexibility and transparency, so can adjust the budget and resources based on the project's needs and progress.
Hiring per project allowing to know the exact cost of the project upfront, providing predictability and cost certainty, and benefit from knowing the exact timeline for the project, while also ensuring that the project is completed and meet the expectations.
Hiring on a full-time basis provides a dedicated resource to work on the projects for an extended period of time, and can be particularly useful with ongoing or long-term projects, as it provides a consistent and reliable resource.