Database Reliability Engineer

Stack

Responsibilities

• ▹Own production PostgreSQL reliability: HA design, Patroni, PgBouncer, replication, failover, upgrades, vacuum/bloat control, query tuning, locks, indexes, capacity, backups, PITR and restore validation
• ▹Improve disaster recovery and operational evidence: tested restores, documented recovery paths, measurable RTO/RPO targets, runbooks
• ▹Support ClickHouse, MongoDB and Redis: troubleshoot incidents, review access and data-safety changes, improve monitoring
• ▹Automate DBA workflows with Ansible, Terraform/OpenTofu, GitLab CI/CD and scripts
• ▹Build DBaaS-style self-service capabilities for requesting databases, access and credentials
• ▹Improve observability and incident response with Grafana, metrics, logs, SLOs, alert rules and Opsgenie routing

Requirements

• ▹Deep hands-on PostgreSQL experience in business-critical production, typically 5+ years
• ▹Understanding of PostgreSQL internals and operations: MVCC, WAL, transactions, locks, indexes, query planning, replication, autovacuum, bloat, major upgrades, backups, PITR, restore testing
• ▹Experience with highly available databases, including quorum, split-brain, failover and recovery
• ▹Strong Linux and infrastructure fundamentals: systemd, networking, storage, filesystems, bottlenecks, TLS, DNS, firewalls
• ▹Automation skills with Ansible and scripting
• ▹Ability to support more than one database engine and learn ClickHouse quickly
• ▹Practical use of AI assistants such as Claude and Codex, personally verifying generated SQL, commands and scripts
• ▹English at upper-intermediate level or higher

Nice to have

• ▹ClickHouse operations: replication, Keeper/ZooKeeper, MergeTree engines, distributed DDL, grants, row policies, backups, troubleshooting, cluster recovery
• ▹MongoDB replica sets and Percona Backup for MongoDB
• ▹Redis/Sentinel and broker/cache failure modes
• ▹Database observability, SLOs, golden signals, alert tuning and executable incident runbooks
• ▹Building internal platforms, self-service portals or DBaaS workflows

Soft skills

What we offer

• ▹A focus on professional development
• ▹Interesting and challenging projects
• ▹Fully remote work with flexible hours, from anywhere in the world
• ▹24 days of paid vacation, 10 days of national holidays, unlimited sick leave
• ▹Compensation for private medical insurance
• ▹Co-working and gym/sports reimbursement
• ▹Education budget
• ▹Reward for the most innovative idea the company can patent