Database Engineer
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Job Description
Database Reliability Engineer specializing in PostgreSQL at Wavelo. You will design, optimize, and operationalize database environments.
Responsibilities:
- Design, implement, and operate highly available PostgreSQL clusters (physical/logical replication, sharding, partitioning, failover automation)
- Optimize query performance and indexing strategies
- Perform capacity planning, growth forecasting, and workload modeling
- Own high-availability strategies, including automatic failover, multi-region deployments, disaster recovery
- Build and maintain automation for provisioning, configuration, backups, failovers, vacuum tuning, schema management
- Use tools such as Terraform, Ansible/SaltStack, Bash, Python
- Develop monitoring and alerting systems for PostgreSQL clusters
- Lead response during database incidents
- Conduct root-cause analysis and implement long-term fixes
- Partner with software engineers to review SQL queries, optimize schemas, ensure effective use of PostgreSQL features
Requirements:
- 7+ years of hands-on PostgreSQL experience in large-scale, high-volume production environments
- Strong expertise in PostgreSQL internals: WAL, MVCC, vacuum tuning, query planner, indexing, logical replication
- Advanced SQL and strong schema design and query optimization skills
- Solid experience with Linux systems and networking fundamentals
- Experience building automation using Go or Python
- Experience with monitoring tools such as: Prometheus, Grafana, Datadog, PMM, pg_stat_statements
Benefits:
- fair compensation
- generous benefits
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