Core Software Engineer, C++

• Contribute to, analyze, and optimize the performance of the core ClickHouse database
• Work on query optimization, distributed query optimization, relational operators, caching, and low-level SIMD optimizations
• Extend existing and add new performance tests using real-world or synthetic datasets
• Serve as a resource for Support Engineering by debugging advanced customer performance issues
• Participate in an on-call rotation and external community support channels
• Collaborate with other teams to assess the performance and reliability impact of new features
• Resolve open-source issues, review and finish pull requests, and answer questions across email, chats, Google Groups, and external Slack channels

• Solid professional software development experience in C++
• Experience with Unix Systems
• Strong knowledge of database internals and design
• Experience in performance engineering
• Ability to communicate and work well within and across engineering teams
• Willingness to work closely with the open-source community
• Strong problem-solving and 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
• Bonus: experience with ClickHouse
• Bonus: experience in security, privacy, and compliance
• Bonus: experience with TCP/IP and network programming
• Bonus: experience developing cloud infrastructure services, preferably with Kubernetes
• Bonus: experience giving public talks at technical conferences and meetups
• Bonus: previous contributions to open-source projects

• Flexible work environment; remote-friendly globally distributed company
• Employer contributions towards healthcare
• Equity in the company; stock options for every new team member
• Flexible time off in the US
• Generous time-off entitlement in other countries
• USD$500 home office setup allowance for remote employees
• Opportunities to engage with colleagues at company-wide offsites