KDB+ Developer
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Synechron is looking for an experienced KDB+ Developer to join the Agency Trading stream of a leading Investment Bank, supporting the Independent Risk Function with innovative, high-performance data solutions.
As a key player in the Risk team, you will design, develop, and optimise advanced data platforms built on kdb+. Your work will directly influence risk management processes, helping deliver robust, scalable, and efficient solutions for large-scale, high-frequency data environments.
Role:
- Develop and maintain kdb+ tick systems and data architectures tailored for trading and risk analytics
- Optimise real-time and historical data workflows for low latency and high throughput
- Collaborate closely with Risk stakeholders to translate complex business requirements into effective technical solutions
- Lead performance diagnostics, tuning, and troubleshooting of kdb+ systems
- Drive best practices in coding, testing, and system design while mentoring junior team members
- Contribute to Agile delivery cycles, participating in design, review, and production support
Experience:
- 8+ years of hands-on experience in kdb+ development within a financial trading or risk environment
- Strong expertise in q language, including schema design (splayed, partitioned, segmented), joins, and aggregations
- Deep understanding of kdb+ tick architecture—ticker plant, RDB, HDB—and related patterns
- Proven track record working with large datasets, performance tuning, and scalability
- Skilled in Unix/Linux environments, scripting, and automation
- Effective communicator, able to liaise with both technical teams and risk/business stakeholders
Preferred Skills:
- Knowledge of inter-process communication and external system integrations
- Experience with low-latency tuning and operational resilience in trading/risk systems
Long term rolling contract inside IR35 - London x3 days a week - Mid to Senior level - Strong market rates
Diversity Statement
Synechron are proud to be an equal opportunity employer. Our Diversity, Equity, and Inclusion (DEI) initiative ‘Same Difference’ is committed to fostering an inclusive culture – promoting equality, diversity and an environment that is respectful to all. We encourage applicants from across diverse backgrounds, race, ethnicities, religion, age, marital status, gender, sexual orientations, or disabilities to apply. We offer flexible workplace arrangements, mentoring, internal mobility, learning and development programmes to support our global workforce. Empowerment and collaboration are at the core of how we operate.
All employment decisions at Synechron are based on business needs, job requirements and individual qualifications, without regard to the applicant’s gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law.