Equities Technology (Java Developer) – VP

Company: Citigroup
Apply for the Equities Technology (Java Developer) – VP
Location: Belfast
Job Description:

Overview

In this role you will contribute to the Global Market Data platform, supporting and extending low-latency market data capabilities for the Global Equities business. You will work closely with traders, production support, and cross-functional teams to implement new functionality and coordinate exchange changes. The position offers exposure to trading technology and a chance to shape how market data powers Electronic Trading. You will develop, troubleshoot, and evolve critical systems in a fast-paced environment.

Responsibilities

  • Develop new functionality for the Global Market Data platform
  • Support deployed market data systems with Equities Production Support
  • Design and enhance system functionality and respond to exchange changes
  • Coordinate exchange-mandated changes relevant to the platform
  • Improve application functionality for the Electronic Trading Desk
  • Support existing Market Data applications and clients

Key requirements

  • Significant experience with Java
  • Perl or Shell scripting experience
  • Ability to meet tight deadlines as part of a team
  • Experience diagnosing and troubleshooting real-world issues with traders and production support
  • Good understanding of network protocols—Multicast/TCP/IP
  • Team collaboration
  • Effective communication across different stakeholders
  • Problem-solving under pressure
  • Java
  • Perl/Shell scripting
  • Low latency market data

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Posted: October 23rd, 2026