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Core Software Engineer (C++) - Remote

ClickHouse· Engineering
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Remote$141k - $208kFull-timePosted 8mo ago

About the role

Core C++ engineer needed to contribute to ClickHouse core database, optimize performance, collaborate with open-source community, and support customers.

Responsibilities

  • Contribute to, analyze, and optimize the performance of the core ClickHouse database (query optimization, distributed query optimization, relational operators, caching, low-level optimizations such as SIMD).
  • Extend existing performance tests and add new tests based on real-world or synthetic datasets to prevent performance deterioration.
  • Serve as a resource for the Support Engineering team, including on-call rotation and participation in external community support channels.
  • Collaborate with other teams to assess the impact of new features on performance and reliability.
  • Engage with the open-source community: resolve issues, review and finish PRs, answer questions across mail, chats, Google Groups, external Slack channels, etc.

Qualifications

  • Solid professional software development experience in C++. This includes experience with Unix/Linux systems.
  • Strong knowledge in database internals and design.
  • Experience in performance engineering, ideally in a database (also acceptable in high-frequency trading, simulation, real-time data processing, etc).
  • Strong communication skills and ability to work across engineering teams.
  • Willingness to work closely with the open-source community; participate in code reviews with patience and attention to detail.
  • Strong problem-solving and production debugging skills.
  • Passion for efficiency, availability, scalability and data governance.
  • Thrives in a fast-paced startup environment; demonstrates ownership and accountability.

Skills

Required:C++Database internals

Benefits

  • Flexible work environment – remote-friendly with global distribution (20+ countries).
  • Healthcare employer contributions.
  • Equity in the company (stock options).",
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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