Senior KDB+ Developer

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London, United Kingdom of Great Britain and Northern Ireland

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Software - Other

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BCM Industry

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20/04/2026

Req. VR-122355

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Project description

We are seeking an experienced Senior KDB+ Developer to design, develop and optimize high performance data platforms built on kdb+. The ideal candidate will have deep expertise in kdb+ tick architecture, performance tuning at scale and close collaboration with business stakeholder - particularly within Risk functions - to deliver robust, efficient and maintainable solutions.

Responsibilities
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Design, develop and maintain kdb+ tick systems with strong understanding of data organization, schema design and the performance implications of different architectural approaches.

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Build and operate solutions handling large scale, high frequency datasets, ensuring low latency, high throughput and efficient memory usage.

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Analyze and optimize q queries, data models and ingestion pipelines for both real time and historical workloads.

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Collaborate closely with Risk function teams to translate business requirements into efficient, scalable and performant code.

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Drive continuous improvement through refactoring, performance benchmarking and adoption of best practices

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Mentor and guide junior and mid-level developers, fostering a culture of technical excellence, code quality and knowledge sharing.

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Participate in design reviews, production support and root cause analysis of complex system issues.

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Work collaboratively within an Agile or iterative delivery environment, contributing to design, implementation, testing and release phases.

Skills

Must have

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8+ years of hands on experience in kdb+ development in a production environment.

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Strong expertise in q language including: table design (splayed, partitioned, segmented), In memory vs on disk trade offs, efficient joins, aggregation and windowed analytics

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Deep understanding of kdb+ tick architecture including ticker plant, RDB, HDB nd associated patterns

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Proven experience working with large datasets and optimising queries for performance and scalability

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Strong background in Unix/Linux environments, including shell scripting for automation, monitoring and operational tooling

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Solid understanding of software delivery processes and methodologies (Agile, CI/CD, Version control, release)

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Ability to communicate clearly with both technical and non-technical stakeholders, demonstrating systematic reasoning and problem solving skills

Nice to have

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Knowledge of inter process communication mechanism in kdb+ and integration with external systems

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Experience tuning kdb+ systems for low-latency and high availability

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Familiarity with data quality checks, validation frameworks and operational resilience patterns

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Exposure to financial markets data (market data, trading, risk, post-trade workflows, equity asset class)

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passion for writing clean, efficient and well-structured code

Other
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Languages

English: C1 Advanced

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Seniority

Senior

London, United Kingdom of Great Britain and Northern Ireland

Req. VR-122355

Software - Other

BCM Industry

20/04/2026

Req. VR-122355

Apply for Senior KDB+ Developer in London

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