Senior Algo Developer - Low-Latency Fixed Income

Citigroup Inc.; Jersey City (NJ); On-site; USD 177,000 - 265,000; Full time

Job summary

Citi is seeking an experienced software engineer to join its Fixed Income Algo Technology team in North America, focusing on high‑performance, low‑latency distributed systems for spread product trading.

You will design reusable platform components, collaborate with Traders and Quants, and ensure reliability and scalability of core algorithms in a fast‑paced trading environment. This role offers direct impact on business outcomes.

Qualifications

• 8+ years of hands‑on coding experience in core Java, C++ or Rust specializing in low‑latency, high‑throughput distributed applications.
• Strong understanding of software development fundamentals, data structures, design patterns, and algorithms complexity.
• Experience with messaging technologies such as Solace, Kafka, etc.
• Practical experience with Chronicle and/or Aeron.
• Experience with distributed caching techniques.
• Proven track record in implementing and supporting market data processing applications and trading applications.
• Experience building robust back‑testing frameworks and managing historical data storages.
• Basic proficiency in Linux system performance tuning and monitoring, with the ability to troubleshoot performance issues in the Java/Linux stack.
• Familiarity with build tools, including Gradle, Git, TeamCity, Jenkins, and Artifactory.
• Strong academic record, ideally with a Bachelor’s degree in Computer Science, Information Science, Engineering, or a related technical discipline.

Responsibilities

• Design and develop reusable algo trading platform components with a focus on high performance and low latency.
• Collaborate with Traders, Quants, and Product Managers to implement functional enhancements to the algo trading platform.
• Ensure reliability, scalability, and performance of core algorithmic components.
• Work with wider eTrading Teams and Production Support to maintain and enhance live trading systems.
• Adhere to engineering standards and continuously strive for best-in-class solutions and practices.

Skills

Low-latency systems

Java

C++

Rust

Data structures & algorithms

Distributed systems

Messaging

OOP design

Linux performance tuning

Build tools

Education

Bachelor’s degree in Computer Science/Engineering

Tools

Solace

Kafka

Chronicle

Aeron

Distributed caching

Gradle

Git

TeamCity

Jenkins

Artifactory

Job description

Citi is seeking an experienced software engineer to join its Fixed Income Algo Technology team in North America, focusing on high‑performance, low‑latency distributed systems for spread product trading.

You will design reusable platform components, collaborate with Traders and Quants, and ensure reliability and scalability of core algorithms in a fast‑paced trading environment. This role offers direct impact on business outcomes.