When a software firm or corporate IT department needs to cut personnel costs, accelerate project timeline or push beyond the scope of in-house resources, they often opt for technical staffing services. There are a variety of staffing models of outsourcing, such as IT Staff augmentation, project outsourcing or managed services that bring required talents in-house. These models help you gain skilled engineers, designers, or developers to help the in-house teams. But these models pose some differentiations you should understand before opting for them. Letâ€™s look at the difference between RPO and staff augmentation to assist you in deciding which approach is most effective and fits your present staff requirements and challenges.