company closed Korea visa part-time jobs Korea work visa korea rules Saramin visa reporting timing Korea foreign worker unsafe work Korea foreigner jobs Seoul labor office communication Korea unpaid salary Korea foreigner job termination Korea foreigner XpatJobs foreign employment law korea visa sponsorship Korea employer no response Korea KOTRA job fair korea employment visa Korea job platforms JobKorea foreign worker side job korea employer shutdown foreign worker Korea foreign worker visa korea rules job change korea immigration work compliance English jobs Korea foreign worker job change visa violation part time korea non-teaching jobs Korea labor rights foreigners Korea Seoul Global Center work visa status teaching jobs Korea LinkedIn Korea e7 visa job change korea notice period korea foreign worker mistakes Korea work in South Korea 2025 foreign worker resignation job change visa korea process foreign worker korea immigration reporting steps work visa korea freelance jobs Korea jobs in Korea for foreigners fired in Korea visa unpaid wages foreigner Korea workplace change reporting Korea foreign worker labor office foreign workers Korea Kowork foreign worker job change korea visa reporting deadline Korea change job korea visa expat career Korea resigning job korea foreign worker reporting delay Korea Korea job search guide quitting job Korea foreigner foreign worker ghosted Korea