Wavelo

Backend Engineer

• 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

Database Engineer