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