work visa korea company closed Korea visa work visa korea rules workplace change reporting Korea foreign worker LinkedIn Korea foreigner jobs Seoul Seoul Global Center notice period korea salary not paid Korea Korea job platforms employer shutdown foreign worker Korea korea employment visa foreign worker severance Korea foreign employment law korea job change Korea Korean labor law foreigners retirement pay Korea severance pay Korea employer no response Korea unpaid wages Korea foreign worker visa korea rules job change korea immigration work compliance foreign worker side job korea English jobs Korea non-teaching jobs Korea resigning job korea KOTRA job fair workplace change Korea foreign worker Korea foreign worker job change visa violation part time korea foreign worker job change korea foreign worker reporting delay Korea Saramin job termination Korea foreigner foreign worker unsafe work Korea labor office Korea quitting job Korea foreigner JobKorea Kowork change job korea visa jobs in Korea for foreigners expat career Korea XpatJobs visa reporting timing Korea Korea job search guide labor office communication Korea part-time jobs Korea work in South Korea 2025 unpaid wages foreigner Korea labor office foreign workers Korea unpaid severance Korea teaching jobs Korea fired in Korea visa foreign worker ghosted Korea freelance jobs Korea unpaid salary Korea foreigner labor rights foreigners Korea visa sponsorship Korea visa reporting deadline Korea e7 visa job change korea work visa status E-7 visa Korea job change visa korea process foreign worker korea immigration reporting steps foreign worker mistakes Korea foreign worker resignation