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Electronic Trading Core Developer

https://www.citi.com/ Logo

Citi

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Location:
United Kingdom , London

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Contract Type:
Not provided

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Salary:

Not provided

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
Job Link Share:

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