Principal Software Engineer - Postgres

The role

You will lead the design and implementation of advanced systems features in areas like storage, replication, and query execution. You will extend Postgres internals and build extensions to expand core capabilities.

What you will do

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

Required qualifications

• 10+ years of experience building systems software in C/C++ or Rust
• 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
• Pragmatic problem solver with a bias for simplicity and measurable impact
• Thrives in a high-autonomy, high-velocity environment

Nice to have

• Go experience a plus
• Experience contributing to open-source databases or similar complex systems is highly desirable

Benefits

• Flexible work environment
• Employer contributions towards your healthcare
• Equity in the company via stock options
• Flexible time off in the US, generous entitlement in other countries
• USD$500 Home office setup if you’re a remote employee
• Opportunities to engage with colleagues at company-wide offsites

About the company

ClickHouse is a globally distributed company operating in over 25 countries. They are building next-generation infrastructure in the database systems domain.