Lead Java Algo Developer – Equities, Low-Latency Trader Tech

Hobbsnews; Jersey City, Northern (NJ, KY); On-site; USD 177,000 - 265,000; Full time

Job summary

Citi is seeking a highly skilled Algo Trader Senior Developer to join the Equities Electronic Trading team and help shape a best-in-class, low-latency analytics backbone. You will lead the design, development, and optimization of critical systems using KDB+/Q and Java, collaborating with quantitative researchers and product partners to deliver new trading capabilities and robust platform performance.

You will drive architecture, testing, deployment improvements, and mentor engineers while

Qualifications

• Minimum 8+ years of hands-on software development
• KDB+ (Q) development experience for large datasets
• Java or C# for low-latency execution platforms
• Experience building automated trading platforms in equities or similar domains
• Familiarity with FIX protocol, testing, CI/CD, and Agile practices

Responsibilities

• Lead technical design discussions and conduct rigorous code reviews.
• Design, develop, and optimize high-performance, low-latency applications using KDB+/Q and Java.
• Implement and maintain business-critical systems for market data, analytics, and trading operations.
• Mentor other developers and promote best practices in high-performance development.
• Collaborate with product, researchers, and other tech teams to deliver new trading capabilities.

Skills

KDB+ (Q)

Java

C#/.NET

FIX protocol

Low-latency

CI/CD

Code reviews

Education

Bachelor’s degree

Master’s degree preferred

Job description

Citi is seeking a highly skilled Algo Trader Senior Developer to join the Equities Electronic Trading team and help shape a best-in-class, low-latency analytics backbone. You will lead the design, development, and optimization of critical systems using KDB+/Q and Java, collaborating with quantitative researchers and product partners to deliver new trading capabilities and robust platform performance.

You will drive architecture, testing, deployment improvements, and mentor engineers while