WOONGJIN, Inc. is seeking a skilled software developer to join our rapidly growing team. The ideal candidate will evaluate business and system requirements, ensuring technical feasibility while estimating development effort and implementation sequence. This position involves designing, developing, and validating software products, with a focus on Java and database-related technologies. The role will also support vendor development efforts and require coordination with various stakeholders. The candidate will be responsible for creating clean, unit-tested, and refactored code, establishing development environments and guidelines, and researching new technologies to recommend improvements. Additionally, the developer will prepare detailed specifications for programming tasks and support testing efforts by troubleshooting and providing solutions to issues.