Software Engineer (C++)

ClickHouse

Location:
China

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

The Core Engineering team for chDB is responsible for developing our high-performance in-process SQL engine, powered by ClickHouse, while working cross-functionally to enhance multi-language ecosystem integration. We're looking for a highly proficient C++ engineer who will work on our core engine and help expand our language binding capabilities across Python, Go, Ruby, Java, NodeJS, Bun, Rust, and R ecosystems.

Job Responsibility:

Develop features for the chDB core engine in C++, working on areas like performance optimization, object serialization, and DataFrame operations
Design and implement language bindings for various programming languages
Closely collaborate with our integration teams to ensure seamless compatibility across language ecosystems, particularly with data science tools and frameworks
Improve the robustness of chDB through comprehensive testing across different language bindings
Serve as a technical resource for the multi-language community, helping debug advanced issues and optimize performance
Work with our open-source community, including resolving issues, reviewing PRs, and providing guidance through various communication channels

Requirements:

Strong professional software development experience in C++
Experience with Unix systems and cross-platform development
Experience in one or more: high-performance computing, in-memory databases, data processing engines, concurrency, and multithreading
Experience developing language bindings or FFI (Foreign Function Interface) implementations
Familiarity with multiple programming languages, particularly Python, Go, Java, Node.js, or Rust
Strong communication skills and ability to work effectively within and across engineering teams
some professional working proficiency with English is required
Experience with data processing frameworks and SQL engines
You're passionate about building developer tools and improving cross-language interoperability
You thrive in a fast-paced environment and can balance technical excellence with practical solutions
You have a high level of ownership and accountability, with a focus on delivering reliable, performant code

Nice to have:

Experience with database internals and query optimization
Familiarity with package management and build systems across different languages
Experience with data formats like Parquet, Avro, and Arrow
Contributions to cross-language tools or related open source projects
Experience optimizing performance for large-scale data operations
Background in developing APIs and creating developer documentation
Knowledge of WebAssembly and cross-platform compilation

What we offer:

Flexible work environment - ClickHouse is a globally distributed company and remote-friendly. We currently operate in 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

Additional Information:

Job Posted:
December 07, 2025

Work Type:

Remote work

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Software Engineer (C++) - chDB