If not temporary work, maybe “external workbench”?

7One of the biggest challenges for Polish businesses in the reality of the pandemic and rising inflation is to recruit qualified staff. It doesn’t help when they have limited budgets with which to seek out talent to fill growing job vacancies. For this reason, one solution gaining popularity is outsourcing of employees — or indeed a whole panoply of forms of employee outsourcing.

dr Szymon Kubiak, Katarzyna Magnuska