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