Java Developer (Group Portal Systems, entry-level, Korean mandatory) at SK C&C (SK Group IT). Full-time, Shenyang Hunnan District. Associate degree+ (CS/SE preferred). Responsibilities: support group portal operations, Spring Boot Java system maintenance/development, system infrastructure operations, communicate with client companies in Korean. Requires fluent Korean communication (hard requirement), Java fundamentals, Spring Boot, MySQL/Oracle. Korean REQUIRED (mandatory).