KDB+ Tech Lead: Real-Time Tick & Time-Series Architect

Citi

Belfast City District

Hybrid

GBP 120,000 - 180,000

Full time

6 days ago

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Benefits offered by this job

27 days annual leave

Discretional bonus

Private Medical Care & Life Insurance

Employee Assistance Program

Pension Plan

Paid Parental Leave

Employee discounts

Learning & development resources

Job summary

Citi is seeking an Applications Development Technology Lead Analyst (KDB Lead Developer) to architect and implement high-performance, low-latency KDB+/q time-series data systems for real-time trading, market data, and analytics. The role serves as SME, guiding technical direction and mentoring engineers across business stakeholders and infrastructure teams.

The candidate will lead architecture, development, and optimization of tick data, RDB/HDB, and gateway architectures, with hybrid on-site

Qualifications

Proven hands-on development with KDB+/q in high-volume, low-latency environments.
Strong Python (Pandas, NumPy) and PyQ embedPy integration.
Experience with IPC, multithreading, memory management, and partitioned DB maintenance.

Responsibilities

Lead end-to-end design and implementation of scalable KDB+ architectures (TP, RDB, HDB, CEP, GW).
Define best practices for q code, schema design, and performance tuning.
Develop high-throughput feedhandlers, APIs, and microservices interfacing KDB+ with Kafka/Solace/LBM/ZeroMQ.
Oversee deployment of KDB+ in on-prem and cloud (AWS, GCP, KX Insights).
Mentor engineers, conduct code reviews, manage agile pods, and ensure risk/compliance alignment.