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