Tech Stack

Description

You will join ClickHouse's Performance Engineering team to analyze and optimize the core C++ database, focusing on query optimization, caching, and low-level SIMD instructions. You'll collaborate with support engineers on advanced customer performance issues and work with the open-source community on code reviews and issue resolution.

Requirements

• Professional C++ development experience
• Strong knowledge of database internals and design
• Experience in performance engineering (database, HFT, simulation, or real-time data processing)
• Unix systems experience
• Excellent communication and collaboration skills

Responsibilities

• Analyze and optimize performance of the core ClickHouse database
• Develop and maintain performance tests on real-world and synthetic datasets
• Debug advanced performance issues with support engineering team
• Collaborate with core teams to assess new feature impact on performance
• Engage with open-source community: resolve issues, review PRs, answer questions