Linux Performance Engineer

Quant Capital
London

Linux Performance Engineer – Quant Trading

Industry-leading compensation

Quant Capital is urgently looking for a Linux Engineer to join our high profile client.

Our client is a very well-known and highly regarded quantitative trading firm, liquidity provider and market maker. They operate globally and are considered to be a market leader in their field. For any technologist this is the place to be, they offer an intellectual, fun and progressive environment where you are encouraged to think outside the box.

This is an environment of Google or a well-funded FinTech startup where tech is number one with huge budget allocated towards this. The firm is known globally for its attitudes and rigour more importantly, you will be surrounded by smart people deeply interested in teaching what they know, and in learning from you.

The members of this team are some of the most talented Linux Engineers, Admins and Programmers in the country and they are tasked with improving and building a best-in-class platform that powers the complex proprietry trading systems. The technology is a mixture of in-house and open-source allowing deep customisation and innovation on every level.

Automation is key for my client, they automate as much as they can to human error and the team holds the view that automating is also enjoyable and that should be how you also see it.

You will need:

  • Strong background in STEM education ideally Computer Science
  • Deep and fundamental knowledge of operating systems predominantly Linux
  • Fluent on the command line and shell scripting
  • Very comfortable with modern Linux and programming concepts like C, sockets, virtual memory etc
  • Ability to pick apart and analyse technical problems in a clear and concise manner.
  • Understanding of networking protocols
  • Performance tuning
  • Deep cunstomsiation of Linux
  • Excellent understanding of debugging tools such as gdp, perf, DTrace and SystemsTap
  • Strong troubleshooting skills
  • Strength with any programming language (Go, Python, Rust, Julia, Java, C++, Scala, Haskell or other functional languages would be a plus)

This is a fantastic opportunity to work in one of the highest skilled Linux teams around with a deep culture of sharing knowledge and experimentation with technology.

My client is based in London

Posted 2025-07-01

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