Senior Java Developer, Citi

Citi

Location:
United Kingdom, London

Category:
IT - Software Development

Contract Type:
Employment contract

Salary:

Not provided

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Job Description:

The FX Options Market Data System is going through significant reengineering and modernisation. We are looking for an experienced Java developer to take a hands-on role and contribute to the design and delivery of the system. The role includes delivering features, driving system architecture, working closely with teams across FX technology and traders, and supporting the platform.

Job Responsibility:

Deliver features and enhancements to the new strategic platform
technical implementation and thought leadership
work with teams across FX Options Technology, FX Tech more broadly, the FX Quants and trading
define and implement solutions that benefit the business
drive the design and development of system architecture
work with users of the system and enhance the quality of deliverables
deliver BAU enhancements to help our trading business meet their short to medium term goals
support the platform as part of an L3 rota
work closely with the dedicated support team

Requirements:

Knowledge and experience of Java development in an event-driven architecture
proficient in multithreading, concurrency and performance tuning
experience working in Linux environments
experience of caching technologies e.g. Gemfire, Redis or others
middleware experience e.g. Tibco, Solace or other
Java and concurrency
Openshift/Kubernetes experience is a plus but not required
exchange data experience is a plus but not required
proven track record of building new systems, replacing legacy systems and renovating existing systems
highly credible hands on engineer, confident to deep dive into a product and codebase and offer detailed, constructive analysis and feedback
awareness of industry trends and leveraging new technologies as appropriate
experience working in finance is a plus, but not required

Nice to have:

Openshift/Kubernetes experience
exchange data experience
experience working in finance

What we offer:

27 days annual leave plus bank holidays
a discretional annual performance related bonus
private medical care & life insurance
employee assistance program
pension plan
paid parental leave
special discounts for employees, family, and friends
access to an array of learning and development resources

Additional Information:

Job Posted:
September 19, 2025

Employment Type:

Fulltime

Work Type:

On-site work

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Senior Java Developer