Do not conflate national visa with work permit; list both visa and work authorisation basis.
Route overview
Typical timeline / duration: National D visa up to one year; type A work permit can be up to 3 years depending on circumstances.
Important notes
A D-type national visa permits stays in Poland over 90 days up to one year.
For employment, Border Guard checks passport and visa; work generally requires an employment basis such as a Polish work permit/declaration.
UK government country guidance notes type A work permit for Polish employment contract up to 3 years.
Employer/job basis required; relevant experience/qualifications and income/payroll rules apply; exact work permit type depends on employment relationship.