Database Administrator

3 days ago

Taipei Taipei City, Taiwan XREX Inc. Full time

About
Want to build a worldwide brand from Taiwan, and to communicate our brand story to millions of users worldwide?

Want to be based in Taiwan but work in a silicon-valley-like environment, and to build world-class brand and products?

Want to participate in the global fintech and blockchain movement, and work at an English-speaking workplace?

Come change the world with us Join this fast-growing startup founded by software veterans and funded by top VCs, Skype co-founders, and the Taiwanese government (NDF)

We're hiring for an experienced DBA Engineer. The exact mix of other skills does not matter, so long as your tool chest includes a mix of abilities. Be willing to attack anything that comes your way, learn on the fly and get things done.

Come talk to us if you want to push your skillset in a dynamic fast-paced environment.

Responsibilities
Database Operations

  • Support day-to-day operations of MySQL (Aurora & self-hosted), Redis, and MongoDB.
  • Assist in monitoring health, applying patches, and performing backups/restores.
  • Help maintain replication, HA, and disaster recovery procedures.
  • Performance & Optimization
  • Troubleshoot slow queries, add indexes, and support schema evolution.
  • Tune databases for high-traffic and low-latency applications, including financial transaction workloads.
  • Assist in capacity planning and scaling activities.

Automation & Tools

  • Contribute to Terraform/Helm templates for DB provisioning.
  • Support automation of routine DBA tasks (backups, alerts, failover testing).
  • Work with SREs to integrate DB metrics into monitoring dashboards.

Security & Compliance

  • Follow database security best practices (IAM roles, encryption, user management).
  • Participate in compliance initiatives for sensitive/financial data.

Collaboration

  • Work closely with backend teams on schema changes and migration reviews.
  • Collaborate with senior DBA/SREs to optimize cost and performance.
  • Learn and contribute to discussions on managed vs self-hosted trade-offs.

Technical Skills

  • Solid experience with MySQL/InnoDB operations (replication, backups, tuning basics).
  • Practical knowledge of Redis (Cluster or Sentinel) and MongoDB (replica sets).
  • Familiarity with AWS services (RDS/Aurora, ElastiCache, MongoDB Atlas).
  • Basic understanding of analytics/columnar databases such as ClickHouse, Apache Spark, BigQuery, or Cassandra.
  • Some experience with scripting (Python, Bash) for automation.

Experience

  • 2–4 years of DBA or database engineering experience.
  • Exposure to production workloads handling significant traffic or large datasets.
  • Experience working in a cloud-native environment (AWS preferred).

Soft Skills

  • Curious and eager to learn advanced DBA practices.
  • Strong problem-solving skills and attention to detail.
  • Comfortable collaborating across engineering teams.

Others

  • Exposure to Kubernetes and DB operators (Redis/Mongo).
  • Experience with query optimization in financial or high-transaction systems.
  • Interest in data analytics or data engineering tools (ETL, OLAP systems).
  • Familiarity with observability tools (Grafana, Prometheus, Loki).

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