Description:

ClickHouse is seeking exceptional C++ engineers to join their remote-first, global Core Performance team.
The role involves analyzing and optimizing the performance of the core ClickHouse database, focusing on query optimization, distributed query optimization, relational operators, caching, and low-level optimizations like SIMD instructions.
Responsibilities include extending existing performance tests and adding new ones based on real-world or synthetic datasets to ensure database performance remains optimal.
The engineer will assist the Support Engineering team in debugging advanced performance issues encountered by customers.
Collaboration with other core teams is essential to assess the impact of new features on performance and provide support with performance tests and advice.
The role also involves engaging with the open-source community by resolving issues, reviewing pull requests, and answering questions across various platforms.

Requirements:

Candidates must have solid professional software development experience in C++, including experience with Unix Systems.
Strong knowledge of database internals and design is required.
Experience in performance engineering is essential, ideally within a database context, though experience in high-frequency trading, simulation, or real-time data processing is also acceptable.
Effective communication skills and the ability to work well within and across engineering teams are necessary.
Candidates should be ready to work closely with the open-source community, participating in code reviews with patience and attention to detail.
Strong problem-solving abilities and solid production debugging skills are required.
A passion for efficiency, availability, scalability, and data governance is essential.
Candidates should thrive in a fast-paced start-up environment and possess a high level of responsibility, ownership, and accountability.

ClickHouse offers a flexible work environment with remote-first work for all employees.
Employer contributions towards healthcare are provided.
Every new team member receives stock options as part of their compensation package.
Flexible time off is available in the US, with generous entitlement in all countries.
Remote employees receive a $500 allowance for home office setup.
The company supports employee-driven international mobility, allowing relocation within certain countries and timelines, subject to role requirements and work permit considerations.