Senior Rust Engineer (VP) - London

Citigroup, Inc.
London
Senior Rust Engineer (VP) - London (Hybrid)

Overview

Citi is a world-leading global bank. We have approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. We provide consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. We enable clients to achieve their strategic financial objectives by providing them with cutting-edge ideas, best-in-class products and solutions, and unparalleled access to capital and liquidity.

What We do / The Team
  • In the world of Capital Markets electronic trading, performance, agility, and reliability are crucial; latency beyond the micro- or even nano-second realm just won't cut it!
  • A core team of expert engineers within Citi have developed a framework, toolset and collection of components for building self-healing, scalable, high performance, asynchronous, event driven, Microservices based solutions.
  • This framework, known as Ambrosia, has solved all the hard problems of failover, high availability, performance and scalability, so that application developers can focus on those pieces of the puzzle that solve the business problem and take performance to the next level.
  • Ambrosia is a core framework, toolset and collection of components 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. Response times in the 10 microsecond to 100 microsecond range.
Role Overview/What you will you do:
  • 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
What you will bring to the role

Skills and Experience
  • 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 frameworks
  • 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
  • Proven 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
Education / Qualifications:
  • Bachelor's degree/University degree or equivalent experience in a similar role
This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

What we'll provide you

By joining Citi London, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as:
  • 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
Visit our Global Benefits page to learn more.

Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self, every day. We want the best talent around the world to be energized to join us, motivated to stay and empowered to thrive.

#LI-AP2

Job Family Group:
Technology

Job Family:
Applications Development

Time Type:
Full time

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.

View Citi's EEO Policy Statement and the Know Your Rights poster.
Posted 2025-06-15

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