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C++ Application Developer Technology Lead - VP

Job Req Id:
25913503
Location(s):
Belfast, Northern Ireland, United Kingdom
Job Type:
Hybrid
Posted:
Oct. 22, 2025

Discover your future at Citi

Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.

Job Overview

Excited to grow your career?

We value our talented employees, and whenever possible strive to help one of our associates grow professionally before recruiting new talent to our open positions. If you think the open position you see is right for you, we encourage you to apply!

Our people make all the difference in our success.

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The Applications Development Technology Lead Analyst is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities.

Key Responsibilities:

  • Lead C++ development for the Global Market Data platform, focusing on ultra-low latency solutions.
  • Design and implement new system functionality and coordinate mandatory exchange changes.
  • Enhance application functionality to support electronic trading needs.
  • Provide ongoing support for deployed market data systems.

Highly Desired Skills (highly preferred):

  • Experience building ultra-low latency market data platforms (e.g., VELA, exchange protocols like ITCH, FIX).
  • Working knowledge of containerization (OpenShift), agile methodology, and unit testing/code reviews.
  • Understanding of low latency networking, server configuration (e.g., SolarFlare, OnLoad), and Red Hat Linux OS tuning.
  • Familiarity with algorithmic/electronic trading, financial industry, and Equities products.
  • Proficiency with JIRA, Confluence, GIT, and uDeploy.

Qualifications:

  • Skilled Applications Development with extensive C++ and Linux experience.
  • Proven ability in system analysis, programming, and successful project management.
  • Experience with Perl/Shell Scripting, network protocols (Multicast/TCP/IP), and functional testing.
  • Ability to work in a fast-paced environment, troubleshoot complex issues, and communicate effectively with diverse teams.



This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

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Job Family Group:

Technology

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Job Family:

Applications Development

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Time Type:

Full time

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

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Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.

View Citi’s EEO Policy Statement and the Know Your Rights poster.

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