Low-Latency Rust Engineer — Hybrid Finance Tech

Citi; Greater London; Hybrid; GBP 120,000 - 190,000; Full time

Benefits offered by this job

27 days annual leave

Discretional annual bonus

Private Medical Care & Life Insurance

Employee Assistance Program

Pension Plan

Parental Leave

Discounts for employees

Job summary

Citi is seeking a Low Latency Rust Engineer to join the London-based Tech team. You will lead and implement high-speed trading systems, focusing on Rust/Java in a low-latency, event-sourcing framework.

The role demands SME-level capabilities in algorithmic trading and market data handling, with mentorship responsibilities and cross-team collaboration. Hybrid work is available, with potential for flexible home days.

Qualifications

• Proven SME in applications development with a focus on finance.
• Experience with algorithmic trading in low-latency environments.
• Knowledge of market data handling and related technologies (e.g., KDB).
• Strong leadership, project management and development skills.
• Proficient in modern Java and low-latency concepts.

Responsibilities

• Hands-on 90% in Rust or Java codebase for low-latency services.
• Lead integration of functions to deploy new products.
• Analyze and design solutions for complex business processes.
• Provide expertise in Java low-latency development.
• Collaborate with senior leaders and mentor junior staff.

Skills

Low-latency development

Algorithmic trading

Market data handling

Leadership

Java

Rust

Mentorship

Communication

UML diagrams

Problem solving

Tools

KDB

Linux

Solarflare OpenOnload

C++

JVM

Job description

Citi is seeking a Low Latency Rust Engineer to join the London-based Tech team. You will lead and implement high-speed trading systems, focusing on Rust/Java in a low-latency, event-sourcing framework.

The role demands SME-level capabilities in algorithmic trading and market data handling, with mentorship responsibilities and cross-team collaboration. Hybrid work is available, with potential for flexible home days.