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Rust Engineer

https://www.citi.com/ Logo

Citi

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Location:
United Kingdom, London

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

Not provided

Job Description:

Citi is a world-leading global bank with approximately 200 million customer accounts and a presence in more than 160 countries. In the world of Capital Markets electronic trading, performance, agility, and reliability are crucial. A core team of expert engineers within Citi have developed Ambrosia, a framework for building self-healing, scalable, high performance, asynchronous, event driven, Microservices based solutions. We build microservices based event sourcing systems on a low latency in-house framework 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 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
  • Complete knowledge of modern technologies such as the JVM, the Linux Operating system, system calls and Kernel
  • Experience developing robust and secure applications using the Rust programming language or has a string desire to write production worthy code using Rust
  • Experience in the design, implementation, and maintenance of high-performance, low-latency systems for business critical applications
  • Ability to stay up-to-date with the latest Rust language features, security vulnerabilities, and industry best practices
  • 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 or Rust
  • Relationship and consensus building skills
  • Bachelor's degree/University degree or equivalent experience in a similar role

Nice to have:

Passion for coding excellent, commercial grade, mission critical frameworks

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 27, 2025

Employment Type:
Fulltime
Work Type:
Hybrid work
Job Link Share:
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