Senior Fixed Income Algo Architect - Low-Latency

Citigroup Inc.; Greater London; On-site; GBP 150,000 - 230,000; Full time

Job summary

Citi in London seeks a Senior Vice President to lead the Fixed Income Technology team building a next‑gen, ultra‑low latency Algo platform for pricing, hedging and execution across cross‑asset products. You will code in Java and Rust, mentor engineers and drive architectural choices that scale with business needs.

As a hands‑on technical leader, you will partner with traders and quants to implement high‑performance systems, optimize for tail latency, and deliver robust platforms that underpin

Qualifications

• Extensive software development experience in front‑office low‑latency trading.
• Deep knowledge of Fixed Income products and trading lifecycle.
• Expertise in Java and Rust for performance‑critical systems.
• Experience with vendor connectivity (Redline, ION).
• Strong knowledge of high‑performance messaging (Aeron, Solace).
• Hands‑on experience tuning hardware, OS and network stacks.

Responsibilities

• Lead architectural design of the Algo platform.
• Hands‑on development in Java and Rust.
• Define long‑term technology vision for order management.
• Optimize ultra‑low latency trading workflows.
• Mentor engineers and lead production support.

Skills

Java

Rust

Low latency

Distributed systems

Mentorship

Education

Bachelor’s degree in Computer Science

Master’s degree in a related field

Tools

Git

Jenkins

Docker

OpenShift

DPDK

Job description

Citi in London seeks a Senior Vice President to lead the Fixed Income Technology team building a next‑gen, ultra‑low latency Algo platform for pricing, hedging and execution across cross‑asset products. You will code in Java and Rust, mentor engineers and drive architectural choices that scale with business needs.

As a hands‑on technical leader, you will partner with traders and quants to implement high‑performance systems, optimize for tail latency, and deliver robust platforms that underpin