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