Senior Low-Latency Java Engineer – Trading Systems

Company: Citibank (Switzerland) AG
Apply for the Senior Low-Latency Java Engineer – Trading Systems
Location: London
Job Description:

Citibank (Switzerland) AG is seeking a senior Low Latency Java Engineer in London to lead Java-based, microservices-driven architecture in a high-performance trading environment. You will work within Citi Tech’s London-based High Performance Architectures (HPA) team on low-latency frameworks and market data systems, driving efficient, scalable solutions.

The role emphasizes hands-on development in Java and potentially Rust, with mentoring of junior engineers and collaboration across multiple

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Posted: October 7th, 2026