Software Engineer – Postgres Internals

PlanetScale

Software Engineer working on PostgreSQL internals and extensions for PlanetScale. Collaborating with the community and contributing to improvements in the PostgreSQL core engine and its extensions.

Posted 5/22/2026full-timeRemote • California • 🇺🇸 United StatesMid-LevelSenior💰 $120,000 - $290,000 per yearWebsite

Tech Stack

Tools & technologies

LinuxPostgres

About the role

Key responsibilities & impact

Author and review patches to the PostgreSQL core engine: performance, features, bug fixes, and security.
Maintain Postgres extensions, both open-source (community projects we depend on) and proprietary (Planetscale-owned).
Review community patches with rigor on correctness, stability, and PostgreSQL coding conventions.
Engage the PostgreSQL community in design discussions, the 5 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.

Requirements

What you’ll need

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.

Benefits

Comp & perks

🌐 Worldwide ❌ Jobs You've Hidden ⭐️ Saved Jobs ✅ Applied Jobs ✉️ Email Alerts 👤 Account PlanetScale Website LinkedIn All Job Openings 51 - 200 employees ☁️ SaaS 🏢 Enterprise 💰 $50M Series C on 2021-11 SaaS
Enterprise PlanetScale is a leading cloud database platform known for its scalability and reliability, specifically as an OLTP database that allows MySQL databases to scale horizontally. Leveraging Vitess, an open-source project developed at YouTube, PlanetScale powers Tier 0 databases with scalable, distributed data management solutions trusted by major global brands like GitHub, Slack, and HubSpot. The platform offers deployment options across multi-tenant and single-tenant clouds, providing every user with robust performance backed by automatic sharding, query routing, and compliance with high security standards (such as SOC 2 Type 2 and HIPAA). PlanetScale is tailored for enterprises requiring reliable, efficient, and high-performing database solutions at scale, with extensive support and integration capabilities. Software Engineer – Postgres Internals Job not on LinkedIn 🔥 4 minutes ago 🏄 California – Remote 💵 $120k - $290k / year ⏰ Full Time 🟡 Mid-level 🟠 Senior 🧑‍💻 Full-stack Engineer Linux Postgres Apply Now Find Hiring Managers Customize resume + cover letter Report problem ☆ Save ☑️ Mark as applied ❌ Hide 📋 Description
Author and review patches to the PostgreSQL core engine: performance, features, bug fixes, and security.
Maintain Postgres extensions, both open-source (community projects we depend on) and proprietary (Planetscale-owned).
Review community patches with rigor on correctness, stability, and PostgreSQL coding conventions.
Engage the PostgreSQL community in design discussions, the 5 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. 🎯 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.
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Hard Skills & Tools

C programmingPostgreSQL internalsMVCCquery plannerexecutorWALvacuumreplicationmemory contextsprofiling and benchmarking