Core Software Engineer

Summary

Join ClickHouse's Core Performance team as a C++ engineer and contribute to optimizing the performance of the ClickHouse database. This fully remote UK-based role involves analyzing and optimizing database performance, extending performance tests, assisting the Support Engineering team with debugging, collaborating with other core teams, and engaging with the open-source community. You will leverage your expertise in C++, database internals, and performance engineering to ensure the database's continued high performance. The ideal candidate possesses strong problem-solving skills, excellent communication abilities, and a passion for efficiency and scalability. ClickHouse offers a flexible work environment, healthcare contributions, stock options, generous time off, a home office setup allowance, and opportunities for international mobility.

Requirements

• Solid professional software development experience in C++
• Experience with Unix Systems
• Strong knowledge in database internals and design
• Experience in performance engineering, ideally in a database but other areas like high-frequency trading, simulation, real time data processing etc. are also okay
• Ability to communicate well with others and work well within and across engineering teams
• Willingness to work closely with our open-source community and participate in code reviews with patience and attention to detail
• Strong problem-solving skills and solid production debugging skills
• Passion for efficiency, availability, scalability and data governance
• Ability to thrive in a fast-paced start-up environment
• High level of responsibility, ownership, and accountability

Responsibilities

• Analyze and optimize the performance of the core ClickHouse database
• Extend existing and add new performance tests, based on real-world or synthetic datasets
• Serve as a resource for the Support Engineering team, helping to debug the most advanced performance issues encountered by our customers
• Closely collaborate with other core teams to assess the impact of new features on performance and support colleagues with performance tests and advice
• Work with our open-source community. This will include resolving issues, reviewing and finishing PRs, answering questions from mail, chats, google groups, external Slack channels, etc

Preferred Qualifications

• Experience with ClickHouse
• Experience in security, privacy, and compliance
• Experience with TCP/IP and network programming
• Experience developing cloud infrastructure services, preferably with Kubernetes
• Experience giving public talks at technical conferences and meetups
• Previous contributions to open source projects

Benefits

• Cash compensation and a stock options grant
• Flexible work environment - ClickHouse is a distributed company offering remote-first work to all employees
• 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 all countries
• A $500 Home office setup if you’re a remote employee
• Employee-driven international mobility - we enable you to relocate internationally if you wish (within certain countries and timelines and subject to role requirements, time zones and work permit considerations)