Staff Database Engineer

What you will be working on We are looking for a hands-on database engineer to modernise a large-scale, business-critical platform, migrating legacy Oracle databases to PostgreSQL while ensuring data integrity, minimal downtime, and reliable performance. • Lead end-to-end data migration, including ETL, reconciliation, cutover, and rollback planning. • Reverse-engineer undocumented business logic from legacy schemas, stored procedures, and triggers. • Optimise SQL queries, indexing, partitioning, and database configurations for high-volume workloads. • Manage database reliability, backup and recovery, replication, high availability, and disaster recovery. • Establish standards for schema changes, database security, monitoring, and operational best practices. • Build automation and validation tools using Python, Bash, or similar scripting languages. • Work with application teams to resolve database issues and improve system performance. What we are looking for • Minimum 10 years of hands-on database engineering, DBA, or relevant data engineering experience in production environments. • Strong Oracle expertise and practical PostgreSQL experience, ideally involving Oracle-to-PostgreSQL migration. • Proven experience with large-scale data migration, reconciliation, and production cutovers. • Strong SQL, query tuning, performance optimisation, and database troubleshooting skills. • Experience with replication and CDC tools such as Oracle GoldenGate or AWS DMS. • Experience with AWS RDS, Aurora, backup and recovery, high availability, and disaster recovery. • Scripting proficiency in Python, Bash, or similar. • Knowledge of database security, access controls, encryption, and data masking. Good to have: Experience in large-scale platform modernisation, transaction-intensive systems, and AI-assisted development workflows. For more information you can contact Norean Tan at norean.tan@sanderson-ikas.sg We regret to inform you that only shortlisted candidates will be notified / contacted. EA Registration No.: R1434118 - Tan Lee Ying, Norean iKas International (Asia) Pte Ltd ROC No.: 200914065E | EA License No.: 16S8086