idc technologies (singapore) pte. ltd.
Cecil Street, Singapore / Global
Java / SQL Developer (Data Migration)
- $4000-$5500
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The Big Jobsite
Cecil Street, Singapore / Global
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
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