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