Senior Java FX Risk Engineer - Hybrid, High-Performance

Citi; Greater London; Hybrid; GBP 120,000 - 170,000; Full time

Benefits offered by this job

Base salary

27 days annual leave

Annual discretionary bonus

Private medical care & life insurance

Employee assistance program

Pension plan

Parental leave

Employee discounts

Learning and development resources

Job summary

Citi in London is seeking an experienced Java engineer to own end-to-end delivery of high-performance FX risk management applications. You will design scalable, low-latency systems, setting engineering standards and serving as a technical reference for the team.

In an agile environment, you will translate complex requirements into robust code, collaborate with quants and traders, and leverage AI-assisted tools to accelerate delivery while maintaining security and quality.

Qualifications

• Proven hands-on Java development with focus on Core Java and multithreading in high-load systems.
• Strong understanding of JVM performance optimization, memory profiling, and GC tuning.
• Experience with distributed systems and in-memory computing concepts.
• Production experience with Apache Ignite; strong MongoDB and Oracle SQL skills.
• Experience with messaging technologies like Kafka and Solace; Linux scripting; cloud deployments.
• Great emphasis on TDD and release practices; readiness for L3 production support.

Responsibilities

• Lead end-to-end delivery of complex, high-performance Java applications supporting FX risk management.
• Architect scalable, low-latency solutions processing real-time risk data at scale.
• Drive technical direction and engineering standards across the team.
• Translate business requirements into robust, high-quality code with cross-functional partners.
• Contribute to Citi's tech strategy and improve risk technology at a global scale.

Skills

Core Java

Multithreading

JVM performance

Distributed systems

Kafka

Solace

Apache Ignite

MongoDB

Oracle SQL

Linux

Scripting

AWS/Azure

TDD

Release practices

Tools

Apache Ignite

MongoDB

Oracle SQL

Kafka

Solace

Linux

Cloud platforms (AWS/Azure)

Job description

Citi in London is seeking an experienced Java engineer to own end-to-end delivery of high-performance FX risk management applications. You will design scalable, low-latency systems, setting engineering standards and serving as a technical reference for the team.

In an agile environment, you will translate complex requirements into robust code, collaborate with quants and traders, and leverage AI-assisted tools to accelerate delivery while maintaining security and quality.