Senior Database QA Engineer

We are seeking a Database Test Engineer to own the quality and reliability of our clients cloud-native database services. You will be responsible for building the automated testing framework that validates every database release patch and architecture change before it hits production.

This role sits between DBA QA and DevOps - ideal for someone who understands databases deeply and can code automation to test them at scale.

Key Responsibilities

• Own end-to-end testing for database products: MySQLPostgreSQL Redis MongoDB ClickHouse Elasticsearch
• Design and execute test strategies covering: functional HA/failover backup & recovery upgrade compatibility and data consistency testing
• Build and maintain automated testing platform (Python / Go) for large-scale database clusters
• Conduct performance and stress testing using Sysbench TPCC JMeter and develop custom workload simulators
• Validate high-availability architectures: replication failover switchover disaster recovery
• Collaborate closely with Database Engineers SREs and Backend teams to reproduce issues and certify fixes
• Integrate database testing into CI/CD pipelines and improve observability (Prometheus Grafana ELK)

Mandatory Requirements

• 5 years of experience in Database Testing Database QA or DBA role with strong testing focus
• Strong hands-on expertise in at least 2 of: MySQL Redis MongoDB PostgreSQL ClickHouse
• Deep understanding of database internals: replication ACID transactions indexing backup/restore
• Proficiency in test automation with Python / Go / Shell
• Experience with Linux SQL and performance testing tools (Sysbench is a must)
• Experience working in high-traffic internet companies handling large-scale databases

Preferred Profile

• Experience testing DBaaS / Cloud Database Platforms / Kubernetes Operators for Databases
• Experience with chaos engineering Jepsen testing or PXC / Galera clusters
• Former DBA transitioning into automation/testing role is highly preferred