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