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What You'll Work On:
- Own the full engineering scope of a multi-datacentre ClickHouse cluster ingesting billions of rows a day.
- Set direction on schema design, query optimization, and operational excellence.
- Mentor engineers and ensure the platform is supportable by a team.
What We Need:
- Deep experience with columnar/OLAP database engineering, ClickHouse strongly preferred.
- SQL depth and operational/SRE experience with production data platforms.
- Linux and Kubernetes comfort, and proficiency in Python or Go.
What You Get:
- A serious estate with genuine scale and criticality.
- Real ownership and architectural leadership of a business-critical platform.
- Sustainable operations with follow-the-sun coverage and planned on-call.
Reactive Markets
Reactive Markets is the 2026 OTC Trading Platform of the Year, handling over $50 billion in daily trading volumes across FX, Equities, and Cryptocurrency, connecting 40+ of the world's leading liquidity providers. Its engineering team is small, senior, and deeply invested in building cutting-edge, reliable, high-performance systems.