Low-Latency Rust Engineer for Trading (Hybrid London)

Citibank (Switzerland) AG; Greater London; Hybrid; GBP 120,000 - 180,000; Full time

Benefits offered by this job

Hybrid work model

Competitive base salary

Private medical care

Pension plan

Job summary

Citi in London is seeking a senior Low Latency Rust Software Engineer to join the High Performance Architectures team. You will design and implement high-speed trading infrastructure, focusing on Rust and Java in a hybrid environment.

You will collaborate with cross-functional teams, mentor juniors, and contribute to systems used across Citi’s trading platforms, with mentorship and continuous learning supported by the firm.

Qualifications

• Experience in algorithmic trading or market data systems.
• Strong Java and C++ with low-latency design.
• Proven leadership and mentoring abilities.

Responsibilities

• Lead hands-on development in Rust and Java for low-latency trading workloads.
• Integrate functions to meet product goals and deploy new features.
• Analyze complex systems and optimize performance to microseconds.
• Mentor junior developers and collaborate with cross-functional teams.

Skills

Rust

Java

C++

Low latency

Market data

Event sourcing

Linux

Tools

KDB

Solarflare OpenOnload

Job description

Citi in London is seeking a senior Low Latency Rust Software Engineer to join the High Performance Architectures team. You will design and implement high-speed trading infrastructure, focusing on Rust and Java in a hybrid environment.

You will collaborate with cross-functional teams, mentor juniors, and contribute to systems used across Citi’s trading platforms, with mentorship and continuous learning supported by the firm.