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