Senior KDB+/q Developer

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

• Senior KDB+/q Developer contract working on high performance capital markets data platforms
• £1,000 per day Inside IR35, initial 6 month contract with strong view to extend
• Hybrid working, 3 days per week in the Canary Wharf office, London
• ASAP start
• Join a specialist team trusted by some of the world's leading financial institutions

About the Company

Our client is a specialist data and technology consultancy with deep roots in capital markets. They design, build and support the time series data platforms behind trading, risk and analytics functions at leading investment banks, hedge funds and asset managers. Their reputation is built on genuine technical depth, with one of the strongest KDB+ practices in the market. It is a team of engineers who care about doing things properly, and it shows in the quality of their work.

The Role

This is a hands on senior contract for an experienced KDB+/q developer who wants to work on demanding, data heavy systems at real scale. You will be building and optimising KDB+ tick architecture and real time and historical data solutions for financial services clients. You will work closely with quants, traders, technologists and fellow consultants, bringing both delivery pace and sound engineering judgement. The role suits someone who is confident owning technical problems end to end and comfortable in a client facing environment.

Key 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

What You'll Need

• 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
• Comfortable working in Linux environments
• Right to work in the UK and able to attend the Canary Wharf office 3 days per week

Desirable / Nice to Have:

• Python experience, including PyKX or embedPy
• Exposure to cloud deployment of KDB+ on AWS or Azure
• Previous consultancy or client facing experience

Why Apply?

• Initial 6 month contract with strong view to extend
• Hybrid working with 3 days per week in Canary Wharf
• ASAP start for the right candidateWork alongside some of the most respected KDB+ specialists in the market
• Hands on technical work on complex, high impact trading data platforms