C++ Software Engineer – Core Trading Technology
A systems engineering role on the team that runs the firm's global electronic trading infrastructure. It focuses on ultra-low-latency, high-throughput software that sits under live trading.
What you’d work on
Our reading of the posting: what a new hire in this role would most likely spend their first months on.
- Profile and trim latency in order-flow and market-data paths on Linux
- Debug live issues using packet captures, core dumps and profilers
- Harden multicast and TCP/UDP networking between sites
- Add benchmarks so regressions in throughput are caught early
What they ask for
Required
- Modern C++ on Linux
- Multithreading and concurrency
- TCP, UDP and multicast networking
- Distributed systems in production
- Profiling and debugging tools (gdb, perf, tcpdump)
- Scalable I/O such as epoll or io_uring
- Lock-free data structures
Preferred
- Python and Bash scripting
- CI/CD and observability tooling
- Exposure to electronic trading or exchange connectivity
- Education
- No degree level stated; about two years of professional C++ experience expected.
- Experience
- 2+ years of professional C++/C development on Linux
- Languages and tools
How to prepare
- Build a small UDP multicast market-data feed handler and measure its latency
- Learn perf, gdb and tcpdump by profiling your own network code
- Write a lock-free single-producer single-consumer queue and benchmark it
- Study epoll and io_uring and compare them in a toy server
What to study
- Modern C++ for Quantitative Finance
- Trading Systems and Low-Latency Infrastructure
- Market Microstructure and Execution
The HFT Quant Developer roadmap sets out the stages for this kind of role, with free resources for each.
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Read the full posting on Qube Research & Technologies’s site before applying: requirements, location and pay can change after we check them.
View the posting on Qube Research & Technologies’s site ↗
SelfMadeQuant wrote this summary from the employer’s public posting, last checked 6 November 2026. SelfMadeQuant isn’t affiliated with Qube Research & Technologies and doesn’t handle applications.