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