Senior kdb+ Engineer

Job Description

You’ll:

• 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.

Qualifications

• 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.

Bonus Points For

• 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.

Additional Information

• 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.

Company Description

Join the world’s largest kdb+ Consultancy where every query matters, every millisecond counts and every system you build shapes the future of data-driven finance.

We’re a team of engineers, problem-solvers and collaborators who believe in pushing boundaries, not egos.

If you're a proficient kdb+ developer ready to lead, innovate and make an impact, we want to hear from you.