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Principal Software Engineer - Postgres

ClickHouse· Engineering
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Hybrid (United States)$215k - $250kPosted 5mo ago

About the role

Principal Engineer role focused on Postgres and database internals at ClickHouse, responsible for design, implementation, and extension of core database capabilities at scale with autonomy and leadership.

Responsibilities

  • Lead design and implementation of advanced systems features across areas like storage, replication, query execution, and performance optimization
  • Contribute to and extend Postgres internals — improving reliability, scalability, and efficiency
  • Prototype and build extensions that expand Postgres’s core capabilities and integrate with cloud-native infrastructure
  • Collaborate with product, infrastructure, and cloud platform teams to deliver robust, developer-friendly experiences
  • Profile and optimize database performance using low-level instrumentation and benchmarking
  • Provide technical leadership, set standards for engineering excellence, and mentor senior engineers
  • Operate with significant autonomy and ownership — driving projects from concept to production

Qualifications

  • 10+ years of experience building systems software in C/C++ or Rust (Go experience a plus)
  • Deep knowledge of PostgreSQL or other database engine internals, including storage, execution, or replication subsystems
  • Strong understanding of concurrency, operating systems, and performance engineering
  • Proven ability to ship large-scale systems or core infrastructure features end-to-end
  • Experience contributing to open-source databases or similar complex systems is highly desirable
  • Pragmatic problem solver with a bias for simplicity and measurable impact
  • Thrives in a high-autonomy, high-velocity environment

Skills

Required:PostgreSQL / database internalsSystems programmingC/C++ or Rust

Benefits

  • Flexible work environment - ClickHouse is a globally distributed company and remote-friendly. We currently operate in over 20 countries.
  • Healthcare - Employer contributions towards your healthcare.
  • Equity in the company - Every new team member who joins our company receives stock options.
  • Time off - Flexible time off in the US, generous entitlement in other countries.
  • A $500 Home office setup if you’re a remote employee.
  • Global Gatherings – opportunities to engage with colleagues at company-wide offsites.
Last updated Aug 5, 2026. Interested? Apply on the company site.
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About ClickHouse

Fast Open-Source OLAP DBMS - ClickHouse

ClickHouse is a fast open-source column-oriented database management system that allows generating analytical data reports in real-time using SQL queries

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