Low Latency Linux Engineer – Optimise low-latency trading infrastructure

Company: Saragossa
Apply for the Low Latency Linux Engineer – Optimise low-latency trading infrastructure
Location: London
Job Description:

Overview

Consultant at Saragossa – Creating competitive advantage for investment technology organisations. Low Latency Linux Engineer – Optimise low-latency trading infrastructure for an HFT trading firm and bridge the gap between Application and Platform.

Responsibilities

  • Push systems to the edge of performance by optimising low-latency trading infrastructure.
  • Optimise RHEL at kernel level, tune CPUs and memory.
  • Build tooling in Python, Java or Go to support performance objectives.
  • Deliver microsecond execution for trading platforms.

Qualifications

  • Experience as a Low Latency Linux Engineer or in a similar role.
  • Strong knowledge of RHEL kernel-level optimization, CPU and memory tuning.
  • Proficiency in Python, Java or Go.
  • Experience with high-frequency trading infrastructure is desirable.

Details

  • Seniority level: Mid-Senior level
  • Employment type: Full-time
  • Location: London Area, United Kingdom
  • Salary: £35,000.00-£55,000.00

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Posted: April 11th, 2026