Software Engineer - Postgres Internals

PlanetScaleSan Francisco, CA
$120,000 - $290,000

About The Position

As a PostgreSQL Core Engineer, you will spend most of your time contributing upstream to the PostgreSQL core engine and maintaining the Postgres extensions — both open-source community projects and Planetscale's proprietary extensions — that power our Postgres offering.

Requirements

  • Strong C programming skills in large, established codebases.
  • Deep knowledge of PostgreSQL internals: MVCC, query planner/executor, WAL, vacuum, replication, memory contexts.
  • Demonstrated open-source contributions to PostgreSQL or comparable database projects (accepted patches, reviews, or extensions).
  • Fluency with Git and the PostgreSQL patch workflow.
  • Comfortable in Linux/BSD development environments; able to profile and benchmark database workloads.

Nice To Haves

  • PostgreSQL contribution history.
  • Experience authoring or maintaining a Postgres extension end-to-end (e.g., pgvector, pg_stat_statements, PostGIS).
  • Background in distributed systems, storage engines, or query optimization.
  • Public talks, papers, or blog posts in the Postgres ecosystem.

Responsibilities

  • Author and review patches to the PostgreSQL core engine: performance, features, bug fixes, and security — landed through the pgsql-hackers mailing list and the Commitfest process.
  • Maintain Postgres extensions, both open-source (community projects we depend on) and proprietary (Planetscale-owned). Includes feature work, bug fixes, performance tuning, and major-version compatibility.
  • Review community patches with rigor on correctness, stability, and PostgreSQL coding conventions.
  • Engage the PostgreSQL community in design discussions, the 5 (five) annual Commitfests, and conferences.
  • Root-cause Postgres issues affecting Planetscale customers and turn fixes into upstream patches when applicable.
  • Improve documentation for PostgreSQL and our extensions as part of every change.

Benefits

  • Equity
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