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.

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.

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 – We believe in the power of in-person connection and offer opportunities to engage with colleagues at company-wide offsites.

Principal Software Engineer – Postgres

Key skills