Senior ClickHouse Platform Engineer (Kubernetes)

Reactive Markets; Barnby in the Willows CP; On-site; GBP 90,000 - 130,000; Full time

Job summary

Reactive Markets is seeking a ClickHouse Engineer to co-own a multi-datacentre data plant. You’ll work on cluster operations, schema design, ingestion pipelines, and performance tuning across Kubernetes. The role emphasizes production stability, capacity planning, and cross-timezone support (Singapore/London).

You’ll join a small, senior team and contribute to reliability and scale. This is a core-platform engineering position with emphasis on practical ownership, incident response, automation,

Qualifications

• Experience operating a production data platform
• Ownership of capacity planning and recovery procedures
• Ability to work across time zones and on-call rotation
• Strong knowledge of columnar/OLAP databases and large-scale time-series
• Proficiency in scripting/automation and monitoring tooling
• Excellent documentation and architectural thinking

Responsibilities

• Cluster operations at scale with multi-AZ ClickHouse on Kubernetes
• Schema and query engineering for large datasets
• Capacity planning, observability and storage tiering
• Ingestion pipelines and data quality controls
• Workload isolation for ingested, reporting and ad-hoc analytics
• AI-assisted operations and modern tooling support

Skills

Columnar/OLAP engineering

SQL depth

Linux and Kubernetes

Programming languages (Python, Go, R,

Engineering discipline

Git

Tools

Kubernetes

Job description

Reactive Markets is seeking a ClickHouse Engineer to co-own a multi-datacentre data plant. You’ll work on cluster operations, schema design, ingestion pipelines, and performance tuning across Kubernetes. The role emphasizes production stability, capacity planning, and cross-timezone support (Singapore/London).

You’ll join a small, senior team and contribute to reliability and scale. This is a core-platform engineering position with emphasis on practical ownership, incident response, automation,