Senior Software Engineer - Core Database CI Infrastructure - Remote

Overview

This position is posted by Jobgether on behalf of ClickHouse. We are currently looking for a Senior Software Engineer – Core Database CI Infrastructure in the United States. This is a unique opportunity to work at the heart of one of the fastest open-source OLAP databases in the world. You will contribute to building and optimizing the CI infrastructure that ensures the high performance, scalability, and reliability of mission-critical distributed systems. From writing and maintaining performance tests to debugging complex system-level issues, you'll be part of a global, remote-first team that thrives on collaboration, technical excellence, and a shared passion for open-source innovation. Expect to work on projects that directly impact customers and the wider developer community.

In Short

• Collaborate with Core Engineering teams to develop and scale the continuous integration (CI) infrastructure for the core database platform.
• Design and implement performance tests to catch regressions, simulate real-world data workloads, and validate new features.
• Analyze and optimize critical components such as distributed queries, relational operators, caching, and SIMD-level optimizations.
• Actively support engineering and support teams by investigating and resolving complex performance issues from customers or community users.
• Engage with the open-source community by reviewing pull requests, answering questions, and supporting contributors across forums and Slack channels.
• Participate in an on-call rotation to address advanced technical issues affecting database performance and stability.
• Closely collaborate with cross-functional teams to assess how changes impact performance, security, and system reliability.

Requirements

• Strong experience in software engineering, particularly with CI/CD processes.
• Proficiency in performance testing and optimization techniques.
• Experience with distributed systems and database technologies.
• Ability to debug complex system-level issues.
• Strong collaboration skills and experience working in a remote team.
• Familiarity with open-source contribution practices.

Benefits

• Work in a remote-first environment with a global team.
• Opportunity to contribute to open-source projects.
• Engage with a community of passionate developers.
• Flexible working hours.