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