049 - Java / SQL Developer (Data Migration)

RiDiK (a Subsidiary of CLPS. Nasdaq: CLPS); Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

RiDiK (a Subsidiary of CLPS. Nasdaq: CLPS) is seeking a senior Java/SQL Developer to support a data migration project. The role involves migrating databases to MariaDB, converting stored procedures, SQL tuning, and developing Spring Boot services and REST APIs.

The candidate should have 6+ years of Java experience, strong SQL/MariaDB skills, and familiarity with data migration projects. Immediate availability is preferred.

Qualifications

• 6+ years of hands-on Java development experience.
• Strong experience with Spring Boot, Spring Batch, and REST APIs.
• Strong MariaDB/SQL skills, including stored procedures and SQL tuning.
• Experience in data migration or database migration projects.
• Good analytical and problem-solving skills.

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.

Skills

Java development

Spring Boot

Spring Batch

REST APIs

MariaDB/SQL

Data migration

Analytical thinking

Tools

Spring Boot

Spring Batch

MariaDB

Job description

RiDiK (a Subsidiary of CLPS. Nasdaq: CLPS) View all jobs

Job Role: Java / SQL Developer (Data Migration)

Work Location: Changi Business Park

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

Preferred (added advantage)

Banking or financial services domain exposure (corporate banking is a plus)

Experience with legacy-to-new platform migrations

Immediate availability preferred