To hire the proper specialists (developer, designer, business analyst, etc.), it is necessary to check out the technical skills and capabilities, knowledge of software development tools, frameworks, etc. Check their number of years in the profession and what projects they have previously completed. It is necessary to check out the communication, soft skills, and level of English once you decide to search for IT staff augmentation.
If you are thinking of applying for IT staff augmentation from a remote software company, you need to check into the company's website, presence online, references from their clients, their portfolio, as well as how they organize their SDLC, practices they use, their team size, and company structure.