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