Electronic Trading Core Developer, Citi

Electronic Trading Core Developer

Citi

Location:
United Kingdom, London

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

Electronic Trading Core Developer role at Citi London, working on the Ambrosia framework for building self-healing, scalable, high performance, asynchronous, event driven, Java Microservices based solutions for Capital Markets electronic trading with response times in the 10 microsecond to 100 microsecond range.

Job Responsibility:

Work on the integration of functions to meet goals, deploy new products, and enhance processes across the Capital Markets asset classes
Provide world class expertise in area of Java low latency development
Utilize advanced knowledge of supported main system flows and comprehensive knowledge of multiple areas to achieve technology goals
Consult with end users to identify system function specifications and incorporate into overall system design

Requirements:

Demonstrated Subject Matter Expert (SME) in area of Applications Development, preferably in electronic and algorithmic trading systems
Passion for coding excellent, commercial grade, mission critical Java frameworks based on event sourcing microservices
Complete knowledge of modern Java, the JVM, the Linux Operating system, system calls and Kernel
Knowledge of TCP and other IP based network protocol technologies including hardware accelerated kernel bypass e.g. Solarflare OpenOnload
Performance assessment and targeted tuning
Design and architectural elegance
Experience in implementing projects
Great communicator with high EQ
Ability to occasionally produce clear diagrammatic documentation and model key aspects in UML sequence diagrams
May have a background in C++ before moving to Java
Relationship and consensus building skills
Bachelor's degree/University degree or equivalent experience in a similar role

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:
November 18, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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