Principal Risk Datastore Engineer Financial Service

Contract Details:

• Duration: 6 months (likely to extend!)
• Location: London - 3 days onsite per week
• Contract engagement: Inside IR35
• Budget: To be discussed with suitable candidate

Role:

We are partnering with a leading Financial Markets organisation providing clearing services for credit derivatives across global markets, seeking a Principal Risk Datastore Engineer to lead the design and delivery of a mission-critical risk data platform.

This is a hands-on engineering role focused on market and historical time-series data supporting risk calculations, simulations and analytics. We are looking for someone with strong Java and data platform experience who can build highly reliable, scalable and auditable systems within a regulated environment.

The ideal candidate will be technically strong, proactive and comfortable taking ownership of architecture, engineering standards and complex technical decisions.

Responsibilities:

• Lead technical design and delivery across the full SDLC.
• Build reliable batch-processing services for market and historical data.
• Design durable, searchable data stores and publish trusted datasets downstream.
• Ensure risk outputs are traceable and reproducible.
• Implement controls around configuration changes, validation and reprocessing.
• Improve performance, scalability, resilience and recovery.
• Work closely with infrastructure, security, DevOps and Quant Risk teams.
• Support production operations and an on-call rota when required.
• Set engineering standards, review designs and drive technical decisions.

Key Skills

• Strong experience building data-intensive, batch-processing platforms, ideally using market or time-series data.
• Advanced Java 11+ development, with Java 17+ preferred.
• Strong Spring/Spring Boot experience.
• Experience with durable data stores and data publishing to platforms
• Strong understanding of data schemas, schema evolution and retention.
• Experience building systems with strongperformance, scalability, resilience, recovery and auditability.
• Experience working in regulated or tightly controlled environments.
• Strong ownership of software quality and maintainability.