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