Multi-Region SaaS DBA - High-Availability Data Platform

Longbridge; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

Longbridge in Singapore is seeking an experienced DBA to own the data layer of our multi-region SaaS clusters. You will manage day-to-day database operations across regions (US/SG/JP), ensuring high availability and strong data consistency.

You will design multi-tenant data solutions, optimize performance, and contribute to automated onboarding and recovery drills. English communication is essential; Mandarin is a plus.

Qualifications

• 3+ years of production DBA experience with PostgreSQL and/or MySQL.
• Hands-on experience with HA and backup/recovery solutions (e.g., replication, Patroni, MHA, or Redis Sentinel).
• Solid performance tuning skills: slow-query governance, indexing, execution plans, locking issues.
• Experience with AWS RDS/Aurora and Multi-AZ deployment.
• Proficient in English; Mandarin is a plus.

Responsibilities

• Operate the databases of our multi-region SaaS clusters day to day: deployment, upgrades, backup and recovery, monitoring and incident handling.
• Help design and deliver multi-tenant SaaS data solutions with tenant isolation and onboarding.
• Own multi-AZ high availability and DR drills within each region.
• Run capacity planning and performance tuning; participate in P0/P1 incident response and post-mortems.
• Use and improve our database tooling (Terraform, Bytebase, self-service query tools) for automation.
• Review schema designs and SQL with engineering; gate production changes and share on-call with SRE.

Skills

PostgreSQL

MySQL

DBA experience

Live incident handling

Performance tuning

AWS RDS/Aurora

English communication

Mandarin a plus

Tools

Patroni

MHA

Redis Sentinel

Terraform

Bytebase

ClickHouse

TimescaleDB

Kubernetes

Job description

Longbridge in Singapore is seeking an experienced DBA to own the data layer of our multi-region SaaS clusters. You will manage day-to-day database operations across regions (US/SG/JP), ensuring high availability and strong data consistency.

You will design multi-tenant data solutions, optimize performance, and contribute to automated onboarding and recovery drills. English communication is essential; Mandarin is a plus.