Job Descriptions :1. Developing APIs2.Testing and debugging APIs 3. Documenting APIs 4. Collaborating with other developersRequirements : 1. Education Background : Min, D3, Information technology or related field. 2. Experienced in backend development at least 4 years 3. Experienced in POS(Point Of Sale) Company or IT Banking Solution 4. Strong knowledge of Java 5. Familiar with Spring Boot Framework 6. Has good knowledge of Object Oriented Programming 7. Understand and some hand experience with RDBMS(PostgreSQL, MySQL) 8. Possess good analytical and problem solving skills 9. Good communication and interpersonal skills