Java / SQL Developer (Data Migration)

Role Overview Support a data migration project for a corporate banking client, covering database migration to MariaDB, stored procedure conversion, SQL performance tuning, and supporting Java application development. Key Responsibilities • Migrate data and database objects to MariaDB • Develop, convert, and optimize stored procedures • Perform SQL tuning to improve query and batch performance • Develop and enhance Spring Boot services and REST APIs • Build and maintain Spring Batch jobs for data processing • Support data validation and reconciliation (corporate data volume approx. 250k–300k records) • Participate in testing, defect fixing, and cutover activities • Prepare technical documentation Required Skills • 6+ years of hands-on Java development experience • Strong experience with Spring Boot, Spring Batch, and REST API • Strong MariaDB/SQL skills, including stored procedures and SQL tuning • Experience in data migration or database migration projects • Good analytical and problem-solving skills • This role is for one of our project requirements Preferred • Banking or financial services domain exposure (corporate banking is a plus) • Experience with legacy-to-new platform migrations