Senior Database Reliability Engineer: Scale AI Cloud

Firmus; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Firmus Technologies seeks a Senior Database Reliability Engineer to own the operational datastore for Firmus AI Cloud and internal services. You will work on bare-metal, self-hosted, and cloud infrastructure, delivering reliable, scalable database platforms with low cognitive load for product teams.

You will champion HA, backup, and performance, coordinating with software engineers on migrations, data modeling, and telemetry. Join a company pushing sustainable AI infrastructure across APAC.

Qualifications

• Bachelor's degree in computer science or related field, or equivalent practical experience.
• 7+ years in database reliability engineering.
• Deep PostgreSQL performance troubleshooting under heavy load.
• Hands-on with PostgreSQL HA/backup stacks (Patroni, pgBackRest/WAL-G) and poolers (pgBouncer).
• Production Redis or Memcached ownership with HA or clustering.
• Production experience with a document or NoSQL store (MongoDB, Cassandra, DynamoDB).
• Automates database work with infrastructure as code and Python or Go; experience with Kubernetes stateful databases.

Responsibilities

• Set and improve how we run databases for customer-facing and internal workloads.
• Automation: provisioning, config, upgrades, backup, restore, and decommissioning with IaC.
• Reliability & performance: monitor SLOs, capacity, query performance, and fix production issues.
• Security & compliance: manage access control, encryption, audit logging, and change control.
• Partnership & escalations: collaborate on schema design, migrations, data modelling, and escalations.

Skills

PostgreSQL expertise

Infrastructure as Code

Python or Go

Linux performance

Education

BSc in CS or related field

Tools

Patroni

pgBackRest

WAL-G

pgBouncer

Redis/Memcached

MongoDB

Cassandra

DynamoDB

Kubernetes

Prometheus

Grafana

OpenTelemetry

Job description

Firmus Technologies seeks a Senior Database Reliability Engineer to own the operational datastore for Firmus AI Cloud and internal services. You will work on bare-metal, self-hosted, and cloud infrastructure, delivering reliable, scalable database platforms with low cognitive load for product teams.

You will champion HA, backup, and performance, coordinating with software engineers on migrations, data modeling, and telemetry. Join a company pushing sustainable AI infrastructure across APAC.