Senior Backend Engineer (ClickHouse)

Location: Germany, France, Italy, Portugal, Spain, or The Netherlands

Compensation: €90,000–€160,000 + Equity

Company

ClickHouse is a rapidly scaling product company building the world's fastest open-source analytical database.

What you will do

• Own and optimize the high-volume ingestion pipeline from API to ClickHouse.
• Design schemas, optimize merge strategies, and tune batch inserts for maximum performance.
• Build infrastructure-heavy features like asynchronous post-processing, alerting, and client-code execution.
• Test optimizations against production data to validate performance improvements.
• Scale infrastructure to support complex agent observability and real-time evaluation.

Requirements

• Strong backend engineering experience with a focus on database internals and distributed systems.
• Experience with analytical databases, data pipelines, or high-throughput event processing.
• Proficiency in TypeScript and SQL.
• Ability to work independently in a small, accountable team.
• Must be based in Germany, France, Italy, Portugal, Spain, or The Netherlands.

Nice to have

• Experience with ClickHouse or other OLAP databases.
• Background in building data-intensive systems at scale.
• Former founder experience.

Culture & Benefits

• Flexible work environment with a globally distributed team.
• Equity in the company for all new team members.
• Employer contributions towards healthcare.
• Generous time off entitlements.
• USD$500 home office setup allowance.
• Opportunities for in-person connection at global company offsites.