KDB Developer

James Joseph Associates

Broad Street, Greater London, City And County Of the City Of London, United Kingdom

2 weeks ago

£120,000 – £150,000 pa

Salary

£120,000 – £150,000 pa

Posted: 31 Mar 2026 (2 weeks ago)

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Our client is an established buy-side Market Maker & Liquidity provider. Strong business performance means that they are actively expanding their headcount. As a consequence the opportunity has arisen for an experienced KDB Developer to work alongside their Quants and Traders. This is an exciting opportunity to take ownership of critical data and analytics capabilities in a business where your work will directly support front-office decision-making, research, and platform performance.

In addition to the base salary the firm also pays exceptional performance related cash bonuses every 6 months.

THE ROLE: KDB Developer

This position sits within a small, highly capable team focused on building, improving and supporting the firm’s data environment. The successful candidate will play a key role in designing and developing scalable data collection and analytics solutions, while helping ensure the platform remains robust, efficient and fit for front-office use.

You will work closely with trading and quantitative teams to deliver high-quality data pipelines, analytics tooling and monitoring solutions. The role covers the full development lifecycle, from early-stage investigation and prototyping through to implementation, testing, release and ongoing support. It offers the chance to work on real-time data challenges in a commercially important environment where performance, reliability and insight generation are central.

KEY RESPONSIBILITIES:

* Work closely with traders and quants to deliver practical solutions aligned to business needs

* Build and enhance analytics capabilities that improve visibility and insight for front-office and management teams

* Develop data ingestion pipelines to capture, organise and store high-volume internal and external data

* Create and improve frameworks that support real-time dashboards, execution analysis and market microstructure research

* Design and implement CEP processes to identify anomalies and generate actionable signals

* Maintain, troubleshoot and strengthen the stability, performance and cost-efficiency of the platform

* Contribute across the full software delivery lifecycle, including research, testing, deployment and production support

SKILLS / EXPERIENCE REQUIRED: KDB+ Developer

* 5+ years experience in data or analytics development

* Strong hands-on expertise with KDB+/q

* Solid background in Linux systems engineering, including lower-level networking and kernel knowledge

* Experience working with large-scale storage, data distribution and recovery mechanisms

* Knowledge of AWS services and Kubernetes configuration

* Experience in big data optimisation, analytics and visualisation

* Familiarity with continuous integration practices

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