Core Engineer

NJF Global Holdings Ltd London, England Jun 9, 2026

Type Full Time
Pay Not listed
Work Onsite

Core Engineer focuses on inspect, maintain, repair, install, design, or improve technical systems according to the role.

What the role involves

  • Inspect, maintain, repair, install, design, or improve technical systems according to the role.
  • Diagnose issues, complete checks, and keep records or handovers accurate.

Skills and requirements

  • Relevant technical, electrical, mechanical, maintenance, gas, plumbing, or engineering experience may be required.

Candidate fit

  • Designing and building high performance C++ systems that sit directly in the live trading path.
  • Optimising latency, throughput, and determinism across highly concurrent systems.
  • Working on market data capture, normalisation, and internal distribution at scale.

Additional role context

  • Are you looking to work on problems that genuinely test the limits of performance, scale, and engineering craft?
  • We are building a small, elite team of systems engineers to design and evolve the core infrastructure that powers a highly sophisticated trading platform.
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