Senior KDB+/q Developer — Real-Time Market Data, Hybrid

Ocho; Greater London; Hybrid; GBP 160,000 - 209,000; Full time

Job summary

Ocho is recruiting a senior KDB+/q developer for a high‑performance, data‑heavy platform in capital markets. You will own design, development and optimisation of tick architecture, including real‑time and historical data flows, working closely with quants, traders and other consultants.

The role is a hands‑on contract, offering hybrid work with three days per week in Canary Wharf, London. ASAP start and a strong view to extension for the right candidate.

Qualifications

• 5+ years of commercial KDB+/q development experience.
• Strong knowledge of KDB+ tick architecture (tickerplant, RDB, HDB, gateways).
• Proven experience optimising q code and KDB+ database performance.
• Background working with capital markets or trading data in financial services.

Responsibilities

• Design and build KDB+/q solutions for real time and historical market data.
• Develop and optimise tickerplant, RDB, HDB and gateway components.
• Tune q code and database performance for low latency, high volume workloads.
• Build data ingestion and feed handler processes from market data sources.
• Deliver analytics and query capabilities for front office and quant users.
• Troubleshoot and resolve production issues across KDB+ environments.
• Collaborate with client stakeholders to shape requirements and technical approach.
• Champion best practice in code quality, testing and documentation.

Skills

KDB+/q development

Tickerplant architecture

Q code optimisation

Capital markets data

Linux

UK right to work

Tools

PyKX

embedPy

AWS deployment

Azure deployment

Job description

Ocho is recruiting a senior KDB+/q developer for a high‑performance, data‑heavy platform in capital markets. You will own design, development and optimisation of tick architecture, including real‑time and historical data flows, working closely with quants, traders and other consultants.

The role is a hands‑on contract, offering hybrid work with three days per week in Canary Wharf, London. ASAP start and a strong view to extension for the right candidate.