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Principal Software Engineer - Postgres

ClickHouse· Engineering
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Hybrid (India)$0full-timePosted 5mo ago

About the role

Principal Engineer with deep expertise in systems programming and database internals (Postgres) to advance ClickHouse's data platform, focusing on storage, replication, query execution, and performance optimization, with autonomy across complex technical areas and mentorship responsibilities.

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.

Skills

Required:PostgreSQL internalsSystems programmingC/C++ or RustConcurrency and OS concepts

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 - Stock options for new team members.
  • Time off - Flexible time off in the US, generous entitlement in other countries.
  • A $500 Home office setup for remote employees.
  • 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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