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