Low-Latency Engineer

The role

You will work with quantitative researchers and developers to design and optimize fast-trading systems. You will work on high-performance, low latency systems primarily in OCaml with small amounts of C and C++.

What you will do

• Design and optimize fast-trading systems
• Work closely with quantitative researchers and developers

Required qualifications

• Experience with low level systems programming and optimization
• Experience working on network applications that require extremely low latency and high throughput
• Can understand, interpret, and improve application performance through hardware performance counters and other profiling tools
• Thorough understanding of modern computer architecture

Nice to have

• Experience with fast-packet processing in user space and common kernel-bypass implementations such as Solarflare OpenOnload/TCPDirect/ef_vi, Exablaze, InfiniBand verbs, DPDK
• Experience working around the performance challenges of languages with a managed runtime such as Java or C#
• Familiarity with a typed functional language

About the company

Jane Street builds systems primarily in OCaml with only small amounts of C and C++.