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# C++ Engineer - Trading Infrastructure

- **Company:** NJF
- **Location:** Bensenville, IL, United States
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** C++ (Programming Language), Concurrent Computing, Linux, Distributed Systems, GNU Debuggers, Multicasting, Performance Tuning, System Programming, Transmission Control Protocol (TCP), Tcpdump, Wireshark, Multithreading, Perf (Linux)
- **Published:** October 9, 2026
- **Apply:** https://www.disabledperson.com/jobs/75931205-c-engineer-trading-infrastructure

## About the Role

* 2+ years' C++/C experience on Linux
 * Strong multithreading and systems programming knowledge
 * Understanding of TCP/UDP/multicast
 * Experience with performance optimisation and tools such as gdb, perf, tcpdump and Wireshark
 * Experience with epoll/io_uring, lock-free structures and concurrent programming
 * Electronic trading experience is advantageous

## Description

A leading global Hedge Fund is looking to hire a C++ Engineer to join a core trading technology team responsible for the design and operation of its global electronic trading infrastructure.

The team builds and maintains ultra-low-latency systems that underpin real-time trading across global markets. You'll work closely with developers, traders, and operations teams to optimise system behaviour, reduce latency, and ensure platform reliability at scale.

The role will:

 * Develop ultra-low-latency C++ systems on Linux
 * Build high-throughput, distributed systems
 * Optimise networking across TCP, UDP and multicast
 * Profile and benchmark systems to reduce latency and improve throughput
 * Work closely with developers, traders and operations in a production trading environment