Senior DB Infra Engineer: PostgreSQL, MySQL & ClickHouse

Hard Rock Digital; Polska; Híbrido; PLN 180.000 - 320.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Hybrid/remote work environment

Competitive pay and benefits

Global brand

Descripción de la vacante

Hard Rock Digital in Poland is seeking a Senior Database Infrastructure Engineer to own PostgreSQL, MySQL, and ClickHouse databases and collaborate on CockroachDB operations. You will push observability, run on-call rotations, and influence architecture decisions to keep our gaming platform fast and reliable.

Candidate will have 5+ years managing production relational databases, strong knowledge of distributed systems, and proficiency in Python or Go, Linux, and IaC tooling like Terraform.

Formación

• 5+ years operating production relational databases as a DBA, Database Reliability Engineer, or Data Platform Engineer.
• Deep production experience with PostgreSQL and MySQL, or deep experience with one and serious working experience with the other.
• Grounding in distributed systems (consensus, distributed transactions, consistency models) to learn CockroachDB quickly.
• Proficiency in Python or Go, and some Java for debugging line-of-business code.

Responsabilidades

• Operate PostgreSQL and MySQL on Amazon RDS across production, staging, and development: replication, failover, backup and recovery, upgrades, and failure modes.
• Run ClickHouse for both operational and analytical workloads: engines, partitioning, and ingestion paths.
• Support CockroachDB operations and expand ownership over time.
• Build observability and incident response tooling; participate in on-call rotation and blameless postmortems.

Conocimientos

PostgreSQL

MySQL

ClickHouse

CockroachDB

Python/Go

Linux

Observability

On-call

AWS

Terraform

Herramientas

Prometheus

Grafana

Mimir

Loki

AWS RDS

Terraform

Descripción del empleo

Hard Rock Digital in Poland is seeking a Senior Database Infrastructure Engineer to own PostgreSQL, MySQL, and ClickHouse databases and collaborate on CockroachDB operations. You will push observability, run on-call rotations, and influence architecture decisions to keep our gaming platform fast and reliable.

Candidate will have 5+ years managing production relational databases, strong knowledge of distributed systems, and proficiency in Python or Go, Linux, and IaC tooling like Terraform.