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