Even if you need to hire a single software engineer suitable for a certain task, finding one may take quite a lot of time and effort. At the same time, you will also have to help the new employee adapt to the team and onboard them, which may be quite difficult and time-consuming.
However, you can address this issue by turning to the project based model.
Project Based Services
Engagement of risk free Models
Perfect skill match
Fit to your project budget
Flexibility based on requirement