Java Engineer

Company: Enso Recruitment
Apply for the Java Engineer
Location: Belfast
Job Description:

Enso Recruitment is proud to be working with a global, technology-driven financial services organisation who are expanding their engineering capability within a highly critical connectivity platform.

They are now seeking an experienced Java Engineer to join a specialist team building and supporting low-latency, client-facing connectivity services.

This is a hands‑on engineering role suited to someone with strong Java experience, a background in electronic trading environments, and a deep understanding of FIX-based connectivity.

The Role

You’ll be part of a team responsible for designing, enhancing, and supporting a business‑critical connectivity platform used by external clients and internal trading systems.

Key responsibilities include:

  • Designing, developing, and enhancing client‑facing and outbound connectivity services
  • Supporting and evolving FIX‑based connectivity platforms in a production environment
  • Contributing to the design and improvement of automated testing frameworks
  • Participating in functional, regression, integration, and performance testing
  • Acting as third‑line support for complex production issues
  • Working closely with product, support, and engineering teams to resolve issues and improve platform stability
  • Contributing to the ongoing reliability, performance, and scalability of connectivity services

About You

  • Strong commercial experience as a Java Engineer working on Linux-based systems
  • Background in electronic trading environments or trading system providers
  • Solid working knowledge of the FIX Protocol
  • Experience building and supporting distributed systems and messaging‑based architectures
  • Comfortable working with SQL, Linux, and backend system troubleshooting
  • Exposure to Python for scripting, tooling, or automation
  • Confident operating in high‑availability, low‑latency environments
  • Strong problem‑solving skills and the ability to remain calm under pressure
  • Salary: Up to £48k
  • Hybrid Working
  • Bonus
  • Pension
  • Ongoing Learning and Support

To find out more about this opportunity, hit Apply or reach out to a member of the Enso Recruitment team today!✉️

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Posted: April 17th, 2026