Senior KDB+ Engineer — High-Performance Equities Analytics

Citi; Jersey City (NJ); On-site; USD 176,720 - 265,080; Full time

Job summary

Citi’s Equities Technology team is undertaking a bold transformation to build a best‑in‑class global platform for execution, prime, clearing and cross‑product margining. We are re‑engineering our tech estate for world‑leading performance and resiliency, enabling new capabilities in advanced execution and modern post‑trade processes.

We are seeking a senior KDB+ specialist to design, develop and optimize critical analytics and data subsystems, collaborating with product, quantitative researchers,

Qualifications

• Minimum 8+ years in software development with high‑performance, low‑latency systems in finance.
• Deep expertise in KDB+ (Q) with experience scaling and optimizing for large datasets.
• Experience designing analytics platforms for automated trading in equities or similar assets.

Responsibilities

• Drive design discussions and code reviews to ensure performance and architectural alignment.
• Mentor other developers and promote best practices in high‑performance KDB+ development.
• Design, develop, and optimize high‑performance analytics using KDB+/Q for the Equities Electronic Trading platform.
• Build and maintain trading‑worthy analytics to process market data and generate insights from large datasets.
• Collaborate with product, quantitative researchers, and tech teams to deliver new trading capabilities and improve existing systems.
• Advance testing frameworks, CI/CD processes, and deployment for low‑latency environments.
• Address complex technical challenges with rigorous analysis and adherence to Citi standards.

Skills

KDB+ development

Low‑latency systems

Q language

Mentorship

CI/CD

Agile

Education

Bachelor’s degree

Master’s degree

Tools

KDB+ tooling

CI/CD pipelines

Job description

Citi’s Equities Technology team is undertaking a bold transformation to build a best‑in‑class global platform for execution, prime, clearing and cross‑product margining. We are re‑engineering our tech estate for world‑leading performance and resiliency, enabling new capabilities in advanced execution and modern post‑trade processes.

We are seeking a senior KDB+ specialist to design, develop and optimize critical analytics and data subsystems, collaborating with product, quantitative researchers,