Database Administrator — SaaS Infrastructure (SG)
NewBe an early applicantSummary
Database administrator role in Singapore owning day-to-day operations, HA/DR drills, performance tuning, and multi-tenant design of a multi-region (US/SG/JP) SaaS database layer — mainly PostgreSQL, MySQL, Redis, and ClickHouse on AWS — supporting brokerage order, market-data, clearing, and settlement systems.
Responsibilities
1. 3+ years of production DBA experience with PostgreSQL and/or MySQL, including independently handling live incidents.2. Hands-on experience with mainstream HA and backup/recovery solutions (e.g., replication, Patroni, MHA, or Redis Sentinel), including real failover or recovery drills.
3. Solid performance tuning skills: slow-query analysis, index design, reading execution plans, diagnosing locking and connection-pool issues.
4. Working experience with AWS RDS/Aurora (or equivalent cloud databases), including Multi-AZ deployment and cloud backup/recovery patterns.
5. Working English: able to read and write documentation and join meetings in English; Mandarin is a plus.
Nice to Have
1. Financial industry experience — database operations at a broker, exchange, payments, or banking system; familiarity with order, market-data, or settlement data models is a bonus.
2. SaaS / multi-tenancy — involvement in designing or operating multi-tenant data platforms.
3. Larger-scale experience — systems with 100k+ QPS or TB+ data volumes.
4.Database internals — deep understanding of MVCC, transaction isolation, and replication; able to analyze issues at the protocol or source-code level.
5. Engineering skills — Python/Go/Shell scripting for ops tooling; Kubernetes experience.
6. Time-series / analytics — production experience with ClickHouse or TimescaleDB.
Requirements
1. Operate the databases of our multi-region (US/SG/JP) SaaS clusters day to day: deployment, upgrades, backup and recovery, monitoring and alerting, and incident handling — mainly PostgreSQL, MySQL, Redis, plus analytics engines such as ClickHouse.2. Help design and deliver our multi-tenant SaaS data solutions: tenant isolation (dedicated instance / database / schema), automated tenant onboarding (provisioning, password rotation), and per-tenant backup and recovery.
3. Own multi-AZ high availability and DR drills within each region, meeting RPO/RTO targets for core systems.
4. Run capacity planning and performance tuning: slow-query governance, indexing and execution plans, connection pooling; participate in P0/P1 incident response and post-mortems.
5. Use and improve our database platform tooling (Terraform, Bytebase, self-service query tools) to make launching a new market or onboarding a new tenant increasingly automated.
6. Review schema designs and SQL with engineering teams, gate production changes, and share on-call duties with SRE.