Core Software Engineer (C++) - Remote

As a Core Software Engineer (C++) at ClickHouse, you'll be responsible for analyzing and optimizing the performance of our core database. This includes working on query optimization, contributing to performance tests, and assisting the Support Engineering team with advanced performance issues. Additionally, you'll collaborate with other teams to assess the impact of new features and engage actively with our open-source community.

To qualify for the Core Software Engineer (C++) position at ClickHouse, you should have solid professional software development experience in C++, along with strong knowledge in database internals and design. Experience in performance engineering, ideally in databases, and excellent communication skills are essential. Familiarity with Unix systems and a passion for collaboration within engineering teams will set you apart.

The performance team at ClickHouse plays a critical role in ensuring our database operates at peak efficiency. As a Core Software Engineer (C++), you will perform extensive performance analysis, include new performance tests, and address complex performance challenges that our clients face. Your work will directly contribute to maintaining the high-speed capabilities of our platform.

ClickHouse fosters a collaborative and inclusive company culture. As a Core Software Engineer (C++), you'll be part of a driven team passionate about delivering exceptional work. We value open communication, continuous learning, and teamwork. You'll also have the unique opportunity to help shape our culture as one of our first 200 employees in the exciting early stages of our company.

As a Core Software Engineer (C++) at ClickHouse, you'll enjoy a flexible work environment, competitive healthcare contributions, stock options, and a generous time-off policy. Additionally, we'll provide you with a $500 home office setup allowance, and opportunities for international mobility, allowing you to relocate as needed while you grow with us.

When answering this question, frame your response around specific projects you've worked on where you used C++ in database contexts. Discuss your contributions regarding database design, optimization techniques, and any relevant metrics that demonstrate your impact on performance.

For this question, outline your systematic approach to performance optimization. Discuss tools and methodologies you have employed, such as profiling, benchmarking, and specific optimizations you've implemented, particularly related to query performance and resource management.

Discuss your troubleshooting process, including the tools and techniques you typically employ, like performance monitoring tools or logs. Highlight an example of a complex performance issue you debugged successfully, focusing on your analytical and problem-solving skills.

Indicate your experience with performance testing methodologies. Explain how you implement change management processes, including extensive testing and validation phases before deploying new features into production to ensure performance metrics are met.

Frame your answer around a specific project where teamwork played a crucial role. Highlight your communication style, how you resolved conflicts, and how collective efforts contributed to the project's success, especially in regards to code reviews or collaborative problem-solving.

Express your passion for collaboration and innovation that comes with open-source projects. Discuss your previous contributions to open-source and how you value the diverse ideas and solutions community members can bring to the table.

Talk about how you have set up and analyzed performance benchmarks for database systems in past roles. Highlight the tools and metrics you used, as well as the outcomes of your benchmark evaluations.

Focus on attributes such as strong problem-solving skills, a collaborative spirit, continuous learning, and the ability to adapt quickly in a fast-paced environment. Illustrate your points with examples from your career that demonstrate these traits.

Indicate the resources you use, such as blogs, courses, communities, or personal projects, to stay informed. Emphasize your proactive engagement with evolving technologies and best practices in the software engineering field.

Articulate the importance of clear and comprehensive documentation in software development. Discuss how you incorporate documentation practices in your workflow and how it benefits both team collaboration and future maintenance.