Senior kdb+ Engineer

Every query matters. Every millisecond counts. Every system you build shapes the future of data-driven finance.

Join the world’s leading kdb+ consultancy and work at the forefront of data and trading technology with some of the biggest names in Capital Markets. You'll tackle large-scale, complex challenges, contribute to the architecture of business-critical platforms and collaborate with highly skilled engineers who are passionate about technical excellence.

If you're a Senior kdb+ Engineer seeking greater technical ownership, exposure to demanding enterprise environments and the opportunity to shape innovative solutions, we'd love to hear from you.

As a Senior kdb+ Engineer at [DI] you’ll be at the forefront of delivering high-performance, scalable solutions for some of the world’s most data-intensive financial institutions. You’ll:

Responsibilities

Lead technical delivery on client projects, setting the standard for quality and performance.; Design and implement robust kdb+ architectures that handle billions of rows of time-series data.; Collaborate with quants, traders, and analysts to translate business needs into performant, efficient code.; Mentor and guide junior and mid-level developers, fostering a culture of technical excellence.; Own the full development lifecycle by developing, testing, supporting and maintaining all code for client applications; Drive innovation by staying ahead of the curve in kdb+, q, and emerging technologies.

Requirements

5+ years of hands-on kdb+ development, with deep expertise in q and time-series data.; Proven experience designing and implementing kdb+ architectures and scaling kdb+ systems in production.; Strong background in Unix/Linux environments and scripting.; Demonstrated technical leadership and decision-making in fast-paced projects.; Excellent communication skills to explain complex systems to both technical and non-technical stakeholders.; Experience in capital markets or investment banking, understanding of the domain and its demands.; A passion for clean, performant code and continuous improvement.

Nice to have

Experience with AI tooling (Claude, Co-Pilot); Experience with Python, cloud platforms (AWS, GCP, Azure), or other time-series databases.; Exposure to tick data, real-time analytics, electronic trading systems.; People management or team leadership experience.

Benefits

Hybrid & flexible working – balance your time between home and our global offices.; Global opportunities – work with clients in London, New York, Hong Kong, Singapore, Toronto and beyond.; Continuous learning – day one access to paid training, certifications and leadership development.; Clear progression pathways – biannual promotion cycles and monthly 1:1s to excel your career growth and development.; Healthcare & wellbeing – provider dependent on region.; Flexible, increasing holiday allowance – option to work bank holidays providing greater flexibility in holiday usage; Generous referral bonuses, exciting social events and so much more – we work hard and celebrate harder.