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# Senior Java Developer - Fixed Income Algo Technology, VP - Citi

- **Company:** Citigroup Inc.
- **Location:** London, UK (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Algorithmic Trading, Data Structures, Software Design Patterns, Linux, Distributed Systems, Gradle, Information Sciences, Enterprise Messaging Systems, Object-Oriented Software Development, Performance Tuning, Backtesting, Distributed Caching, Software Engineering, Git, Information Technology, Low Latency, Apache Kafka, Build Tools, Teamcity, Software Coding, Jenkins, Artifactory
- **Published:** September 15, 2026
- **Apply:** https://www.reed.co.uk/jobs/senior-java-developer-fixed-income-algo-technology-vp-citi/57344784

## About the Role

* Significant extensive hands-on coding experience in core Java, specializing in low-latency, high-throughput distributed applications.
 * Profound understanding of software development fundamentals, data structures, design patterns, object-oriented programming, and algorithms complexity analysis.
 * Demonstrated 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.
 * Basic proficiency in Linux system performance tuning and monitoring, with the ability to troubleshoot performance issues within 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 or quantitative discipline., * Strong verbal and written communication skills, with the ability to effectively communicate complex technical concepts to business users.
 * A self-motivated individual with a strong determination to achieve goals and drive projects to successful completion.
 * Eagerness to continuously learn and grow, both technically and professionally.
 * Excellent team-working skills and the ability to thrive in a distributed global team environment.
 * Ability to perform effectively and deliver results in a fast-paced environment.
 * Flexible and adaptable, capable of delivering high-quality results within required timeframes.

## Description

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


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