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 has 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 business logic and performance.
• 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 with response times in the 10 microsecond to 100 microsecond range.

Role Overview / What you will 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 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.

Skills And Experience

What you will bring to the role

• Demonstrated Subject Matter Expert (SME) in 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, Linux OS, system calls and kernel.
• Experience developing robust and secure applications using the Rust programming language or a strong desire to write production-worthy code in 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 produce clear diagrammatic documentation and model key aspects in UML sequence diagrams.
• Potential 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 be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), and a competitive base salary (annually reviewed), plus a range of benefits:

• 27 days annual leave (plus bank holidays)
• Discretionary 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 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.

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Job Family Group: Technology

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Job Family: Applications Development

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Time Type: Full time

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Most Relevant Skills: Please see the requirements listed above.

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Other Relevant Skills: For complementary skills, please see above and/or contact the recruiter.

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 please review Accessibility at Citi. View Citi’s EEO Policy Statement and the Know Your Rights poster.