Senior Platform Engineer, Datastores

Responsibilities

• Own the production performance and reliability of PostgreSQL, OpenSearch, and Redis.
• Diagnose and resolve lock contention, connection pooling limits, slow queries, and job fan-out under load.
• Lead capacity planning and load testing for web services.
• Set standards for schema changes, migrations, indexing, and query patterns, including automated checks.
• Review data-heavy product changes and teach effective datastore patterns.
• Build dashboards, runbooks, and alerts for datastore incident diagnosis.
• Partner with Infrastructure on multi-region data replication and recovery.
• Share platform on-call responsibility and improve datastore knowledge across the engineering team.

Requirements

• 5+ years building and running production systems, with significant experience in datastore performance and reliability.
• Experience supporting multi-tenant systems at scale, including tenant isolation and noisy-neighbor protection.
• Deep knowledge of PostgreSQL internals, including locking, MVCC, query plans, indexing, vacuum, and connection pooling.
• Experience running OpenSearch or Elasticsearch at scale.
• Experience with capacity planning and load testing for web services.
• Ability to solve systemic problems and leave behind reusable tools and documentation.
• Ability to write production-grade software and work comfortably in an application codebase.
• Preferred experience with Rails, ActiveRecord, and Sidekiq at scale.
• Preferred experience using Redis as a queue and cache under heavy load.
• Preferred experience with cross-region replication, database failover, Kafka, or DynamoDB.
• Degrees and big-name company experience are not required.

Benefits

• Competitive compensation and early equity in a venture-backed company.
• Comprehensive medical, dental, and vision coverage.
• Three weeks of vacation, unlimited sick and mental health days, and a company-wide end-of-year shutdown.
• $500 home-office setup stipend.
• Unlimited token usage and access to AI tools.
• High-impact environment with direct influence on company direction.
• Accommodations are available on request during the recruitment process.