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