Java Developer, Front Office eTrading (Low-Latency)

Citi; Greater London; On-site; GBP 70,000 - 110,000; Full time

Job summary

Citi is seeking a talented developer to evolve our next-generation Front Office eTrading applications for Rates & Spread. You will work closely with Traders, Sales and Quants to shape platform direction, implement robust, scalable solutions, and push for automated testing and efficient UAT processes.

London-based role with on-site responsibilities. We value strong OO design, multithreading expertise, and experience with modern toolchains.

Qualifications

• 3+ years of programming experience with an object-oriented language (Java or C#).
• Solid architectural understanding of enterprise applications.
• Understanding of computing science fundamentals – concurrency, data structures, design patterns.
• Bachelor’s degree or equivalent experience.
• Nice-to-have: Java Core, Spring, Linux; ION MMI; Fixed Income products knowledge; Agile, CI/CD.

Responsibilities

• Designing and developing Front Office eTrading applications for the Rates & Spread Product Trading business.
• Working directly with Traders, Sales, and Quants to shape the future direction of the platform.
• Enhancing platform capabilities to stay stable, flexible, and maintainable.
• Advancing automated testing and optimizing UAT processes.
• Troubleshooting performance and scalability issues.
• Providing onsite support to Citi traders in London.
• Assisting in third line support during core trading hours.
• Collaborating with global teams on various projects.

Skills

Java

C#

Multithreading

Object-oriented programming

Concurrency & algorithms

Education

Bachelor’s degree or equivalent

Tools

Jira

Bitbucket

Sonar

TeamCity

IntelliJ

Gradle

KDB+/Q

JSON/XML & REST

Job description

Citi is seeking a talented developer to evolve our next-generation Front Office eTrading applications for Rates & Spread. You will work closely with Traders, Sales and Quants to shape platform direction, implement robust, scalable solutions, and push for automated testing and efficient UAT processes.

London-based role with on-site responsibilities. We value strong OO design, multithreading expertise, and experience with modern toolchains.