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