KDB+/q Developer – Real‑Time Trading Systems

About the role

A leading global investment firm is looking for a KDB+/q Engineer to join its high‑performance technology team in London. You will work at the core of a cutting‑edge trading environment, building and optimising real‑time data platforms that support systematic trading, quantitative research and investment decisions across global markets.

Key responsibilities

• Design, build and enhance KDB+/q applications that underpin real‑time trading and research systems.
• Develop and maintain market‑data infrastructure for trading, analytics, risk and compliance.
• Create APIs, schemas and data models for trading platforms, quantitative research workflows and simulation environments.
• Optimise performance, scalability, resilience and latency of large‑scale data platforms.
• Collaborate with traders, quantitative researchers and software engineers to deliver high‑impact technology solutions.
• Investigate production issues and ensure robustness of business‑critical trading applications.
• Drive continuous improvements to platform architecture, tooling and engineering standards.

Required profile

• Strong commercial experience with KDB+/q.
• Proficiency in Python, especially in data‑intensive contexts.
• Solid knowledge of Linux/Unix systems.
• Experience working with financial market data and real‑time trading systems.
• Excellent problem‑solving abilities and a passion for high‑performance systems.
• Strong communication skills and ability to collaborate across technology and front‑office teams.

Required skills

• KDB+/q
• Python
• Linux/Unix