Postgres DBA managing lifecycle of databases and ensuring reliability for Supabase. Collaborating with teams, optimizing performance, and providing operational excellence.
Responsibilities
Manage the lifecycle of Postgres databases - platform RDS clusters and customer project databases.
Design and execute strategies for low-downtime major version upgrades and database migrations.
Proactively identify and resolve database performance issues before they impact users.
Build and maintain comprehensive monitoring, alerting, and observability for database systems.
Write detailed run books, technical documentation, and operational guides.
Identify reliability risks and implement preventative measures.
Participate in on-call rotation to support our global platform.
Work with development teams to optimize database schema and query patterns.
Analyze and optimize slow queries, connection pooling, and resource utilization.
Tune Postgres configurations for different workload patterns.
Monitor and address database bloat, vacuum strategies, and WAL management.
Partner with platform engineers, product teams, and SREs to deliver reliable database services.
Communicate database changes and maintenance windows clearly to stakeholders.
Share knowledge and mentor team members on Postgres best practices.
Requirements
Deep understanding of Postgres internals, architecture, and advanced features.
Production experience with replication (logical and physical), backups, and disaster recovery.
Strong command of query optimization, EXPLAIN plans, indexing strategies, and performance tuning.
Experience managing Postgres at scale in cloud environments.
Hands-on experience with AWS RDS for platform infrastructure.
Familiarity with cloud infrastructure concepts, networking, and storage systems.
Understanding of IaC tools and automation approaches.
Experience with other cloud database services (GCP Cloud SQL, Azure Database) is a plus.
Track record of maintaining high-availability database systems.
Obsessive about monitoring, observability, and measuring what matters.
Proactive approach to identifying and mitigating risks.
Experience with production troubleshooting and supporting live systems.
You write clear run books and technical documentation.
You're good at explaining complex database concepts to different audiences.
You record decisions and share knowledge effectively in async environments.
You thrive operating independently with high-level guidance.
You see problems through to resolution, not just escalation.
You automate repetitive tasks and build tools to make the team more effective.
Proficiency in TypeScript or Go (we can teach these).
Experience with Postgres extensions and customization.
Contributions to Postgres or database-related open source projects.
Familiarity with backup tools like WAL-G, pgBackRest, or Barman.
Experience with database migration strategies and tooling.
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