Staff Software Engineer

Key Responsibilities

1. Migrate data and database objects to MariaDB

2. Develop, convert, and optimize stored procedures

3. Perform SQL tuning to improve query and batch performance

4. Develop and enhance Spring Boot services and REST APIs

5. Build and maintain Spring Batch jobs for data processing

6. Support data validation and reconciliation (corporate data volume approx. 250k–300k records)

7. Participate in testing, defect fixing, and cutover activities

8. Prepare technical documentation

Required Skills

1. 3+ years of hands-on Java development experience

2. Strong experience with Spring Boot, Spring Batch, and REST API

3. Strong MariaDB/SQL skills, including stored procedures and SQL tuning

4. Experience in data migration or database migration projects

5. Good analytical and problem-solving skills

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This is in partnership with the Employment andEmployability Institute Pte Ltd (“e2i”).

e2i is the empowering network for workers and employersseeking employment and employability solutions. e2i serves as a bridge betweenworkers and employers, connecting with workers to offer job security throughjob-matching, career guidance and skills upgrading services, and partneringemployers to address their manpower needs through recruitment, training, andjob redesign solutions. e2i is a tripartite initiative of the National TradesUnion Congress set up to support nation-wide manpower and skills upgradinginitiatives. By applying for this role, you consent to QuesscorpSingapore’s PDPA and e2i’s PDPA.