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 with ability to explain complex systems to both technical and non-technical stakeholders.
• Experience in capital markets or investment banking to understand the domain and its demands.
• A passion for clean, performant code and continuous improvement.

Bonus Points For:

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

Responsibilities

As a Senior kdb+ Developer at [Employer hidden — sign up to reveal] 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:

• 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 and knowledge sharing.
• 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 adjacent technologies.

Our Benefits

• Hybrid working. The commute can be a pain, but there's really no virtual replacement for sitting around a whiteboard with teammates. We offer hybrid working, with flexibility around in-office or from-home.
• Referral scheme. Referring a friend means cash for you!
• Travel opportunities. Work globally in locations such as London, New York, Hong Kong, Singapore and Japan – all expenses paid.
• Healthcare cover. Private health care via Benenden Health, including 24/7 GP, Mental Health helpline, medical diagnosis and treatment, and physiotherapy.
• Holiday entitlement. Up to 27 days leave, public holidays, compensatory days off, and holiday carry over.
• Continual professional development. Extensive training, monthly 1-2-1s, and internal promotion process twice a year.