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: MySQL,PostgreSQL, 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

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