SaaS DB Administrator — Multi-Region, HA & Multi-Tenant

Longport Technology HK Limited; Santo Niño 1st; On-site; PHP 3,943,000 - 5,914,000; Full time

Job summary

Longport Technology HK Limited in Singapore seeks a Database Administrator — SaaS Infrastructure to own the data layer of our multi-region clusters (US/SG/JP), ensuring high availability, data consistency, and compliance.

You will operate, upgrade, backup, and monitor databases (PostgreSQL, MySQL, Redis) and help design multi-tenant solutions, with opportunities to grow into financial-grade data architecture.

Qualifications

• 3+ years of production DBA experience with PostgreSQL and/or MySQL.
• Experience with HA and backup/recovery solutions (replication, Patroni, MHA, Redis Sentinel).
• Solid performance tuning: slow-query analysis, indexing, execution plans.
• Experience with AWS RDS/Aurora and Multi-AZ deployment.
• Working English; Mandarin a plus.

Responsibilities

• Operate databases of multi-region SaaS clusters: deployment, upgrades, backup/recovery, monitoring, incidents.
• Design and deliver multi-tenant SaaS data solutions with tenant isolation and onboarding.
• Own multi-AZ high availability and DR drills across regions.
• Run capacity planning and performance tuning; participate in on-call incidents.
• Use tooling (Terraform, Bytebase) to automate market onboarding.
• Review schema designs and SQL; gate production changes with SRE.

Skills

PostgreSQL

MySQL

HA/Backup

Performance tuning

Cloud AWS

RDS/Aurora

Scripting (Python/Go/Shell)

Kubernetes

ClickHouse

TimescaleDB

Tools

Terraform

Bytebase

Job description

Longport Technology HK Limited in Singapore seeks a Database Administrator — SaaS Infrastructure to own the data layer of our multi-region clusters (US/SG/JP), ensuring high availability, data consistency, and compliance.

You will operate, upgrade, backup, and monitor databases (PostgreSQL, MySQL, Redis) and help design multi-tenant solutions, with opportunities to grow into financial-grade data architecture.