Senior Java Developer – Low-Latency Microservices (Hybrid)

Company: Citigroup
Apply for the Senior Java Developer – Low-Latency Microservices (Hybrid)
Location: Northern Ireland
Job Description:

Citigroup in Belfast invites an experienced Java developer to join a global technology team to build scalable services for trading platform monitoring, reconciliation, and resilience in a hybrid model.

The role requires strong Java, REST, messaging systems, and containerized microservices with Docker/Kubernetes. Collaborate across time zones, participate in design sessions, and adopt new tools while delivering high-performance, low-latency solutions.

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Posted: September 8th, 2026