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Korn Ferry
Senior KDB+/q Engineer - Contract

Senior KDB+/q Engineer - Contract

Hybrid

London, United kingdom

£ 115 /hour

Senior

Freelance

20-01-2026

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Skills

Data Engineering Monitoring Linux Organization Analytics

Job Specifications

Rate: up to £900 a day inside IR35

We are working with a leading global financial institution on a senior hire within their Real Time market data engineering team. This role is focused on building and operating low-latency, high-performance KDB+ platforms that support mission-critical trading, analytics and monitoring use cases.

What You'll Be Doing

Design, develop and maintain large-scale KDB+/q systems for Real Time and historical market data

Build and operate tickerplants (TP), Real Time processes (RTP), and HDBs, including recovery and log replay

Implement performant time-series data models, schemas, and APIs

Optimize q code for latency, throughput, and memory efficiency

Develop Real Time and batch pipelines for tick data ingestion, normalization, and enrichment

Work closely with quants and stakeholders to productionise analytics and trading signals

Support and troubleshoot production KDB systems on Linux, including participation in on-call rotations

What We're Looking For

Extensive hands-on experience with KDB+/q in a production environment

Proven experience designing or operating Real Time tick data systems

Strong knowledge of:

Tickerplant architectures and recovery models

Time-series joins (eg as-of joins)

Attributes, iterators/adverbs, and performance internals

Experience building low-latency systems where performance matters

Strong Linux/Unix skills, including debugging running processes

About Korn Ferry

Korn Ferry unleashes potential in people, teams, and organizations. We work with our clients to design optimal organization structures, roles, and responsibilities. We help them hire the right people and advise them on how to reward and motivate their workforce while developing professionals as they navigate and advance their careers. To learn more, please visit Korn Ferry at www.Kornferry.com

About the Company

Korn Ferry is a global consulting firm that powers performance. We unlock the potential in your people and unleash transformation across your business--synchronizing strategy, operations, and talent to accelerate performance, fuel growth, and inspire a legacy of change. That's why the world's most forward-thinking companies across every major industry turn to us--for a shared commitment to lasting impact and the bold ambition to Be More Than. Know more