Low-Latency Equities Tech: Java/C++ Developer

Citigroup Inc.; Belfast City District; On-site; GBP 65,000 - 95,000; Full time

Job summary

Citi in Belfast is seeking a software developer to join the Global Market Data platform team. You will contribute to low-latency market data infrastructure and collaborate with traders and production support to diagnose real-world issues.

Requirements include strong Java or C++ experience, microservices familiarity, and knowledge of network protocols. You’ll work in an agile team to implement new functionality and optimize performance.

Qualifications

• Significant experience using Java or C++ in a professional setting.
• Experience with microservices architectures and low latency systems.
• Ability to diagnose and troubleshoot real-world issues with traders and support teams.
• Strong communication skills and ability to work in a team under tight deadlines.
• Good understanding of network protocols (Multicast/TCP/IP).

Responsibilities

• Develop new functionality for the Global Market Data platform.
• Support deployed market data systems and collaborate with production teams.
• Coordinate with traders and engineers on performance improvements.
• Implement and test features in an agile environment.

Skills

Java

C++

Microservices

Low latency

Network protocols

Team work

Troubleshooting

Tools

JIRA

Confluence

GIT

uDeploy

Job description

Citi in Belfast is seeking a software developer to join the Global Market Data platform team. You will contribute to low-latency market data infrastructure and collaborate with traders and production support to diagnose real-world issues.

Requirements include strong Java or C++ experience, microservices familiarity, and knowledge of network protocols. You’ll work in an agile team to implement new functionality and optimize performance.