Hello! Of course, you can conduct an interview on your own, if you yourself are a developer and IT specialists. But in addition to technical interviewing and identifying practical skills of the applicant, you need to be able to determine his communication skills and other soft skills. It is not always possible to do this, and even more surely you have many other tasks besides this. Maybe you've heard about
what is dedicated team. It looks like its own team, but it is located in a different country. This outsourcing model is very practical and efficient.