SaaS Database Administrator — Multi-Region, HA & Tenants

Longbridge; Singapore; On-site; SGD 90,000 - 140,000; Full time

Job summary

Longbridge is seeking a skilled Database Administrator in Singapore to own operations and data-layer build-out for our multi-region SaaS clusters. You will manage PostgreSQL, MySQL, Redis, and analytics engines, focusing on availability, data consistency, and regional compliance.

You will design multi-tenant data solutions, implement automated onboarding, and lead capacity planning with strong performance tuning. Mandarin is a plus, English required for docs and meetings.

Qualifications

• 3+ years of production DBA experience with PostgreSQL and/or MySQL.
• Hands-on experience with HA and backup/recovery solutions (replication, Patroni, MHA, or Redis Sentinel) and real failover drills.
• Solid performance tuning skills: slow-query analysis, index design, execution plans, and locking issues.
• Experience with AWS RDS/Aurora or equivalent cloud databases, including Multi-AZ deployment.
• Proficient in English (reading/writing docs and meetings); Mandarin a plus.

Responsibilities

• Operate databases across multi-region SaaS clusters (US/SG/JP): deployment, upgrades, backup/recovery, monitoring, incident handling (PostgreSQL, MySQL, Redis, ClickHouse).
• Design and deliver multi-tenant data solutions: tenant isolation, onboarding, per-tenant backup/recovery.
• Own multi-AZ high availability and DR drills, meeting RPO/RTO targets.
• Run capacity planning and performance tuning; participate in P0/P1 incidents and post-mortems.
• Improve tooling (Terraform, Bytebase, self-service querying) to automate market onboarding and tenant provisioning.
• Review schema designs and SQL with engineering; gate production changes; share on-call with SRE.

Skills

PostgreSQL

MySQL

Incident management

Performance tuning

AWS RDS/Aurora

English communication

Tools

Terraform

Bytebase

Self-service query tools

Kubernetes

Job description

Longbridge is seeking a skilled Database Administrator in Singapore to own operations and data-layer build-out for our multi-region SaaS clusters. You will manage PostgreSQL, MySQL, Redis, and analytics engines, focusing on availability, data consistency, and regional compliance.

You will design multi-tenant data solutions, implement automated onboarding, and lead capacity planning with strong performance tuning. Mandarin is a plus, English required for docs and meetings.