Senior KDB+ Developer

About Synechron:

Synechron is a leading digital transformation consulting firm dedicated to delivering innovative technology solutions within banking, financial services, and insurance. We thrive on engineering excellence, collaboration, and a passion for cutting-edge technologies.

Role Overview

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 stakeholders—particularly within Risk functions—to deliver robust, efficient, and maintainable solutions.

This role also includes technical responsibilities, mentoring junior developers and promoting best practices across the team.

Job Location: London (Hybrid - 3 days in the office)

_Key Responsibilities_

• Design, develop, and maintain kdb+ tick systems, with a strong understanding of data organisation, schema design, and the performance implications of different architectural approaches.
• Build and operate solutions handling large scale, high frequency datasets, ensuring low latency, high throughput, and efficient memory usage.
• Analyse and optimise q queries, data models, and ingestion pipelines for both real time and historical workloads.
• Collaborate closely with Risk function teams to translate business requirements into efficient, scalable, and performant kdb+ solutions.
• Take ownership of performance diagnostics, including CPU, memory, disk I/O, and network considerations across kdb+ processes.
• Develop robust and reusable q libraries, utilities, and frameworks with a strong focus on clean, maintainable, and performant code.
• Drive continuous improvement through refactoring, performance benchmarking, and adoption of best practices.
• Mentor and guide junior and mid-level developers, fostering a culture of technical excellence, code quality, and knowledge sharing.
• Participate in design reviews, production support, and root cause analysis of complex system issues.
• Work collaboratively within an Agile or iterative delivery environment, contributing to design, implementation, testing, and release phases

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