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