Quant jobs / Radix Trading

Quantitative Technologist (C++ Intern)

A summer C++ internship at a proprietary trading firm working on live trading systems and research infrastructure. Interns get real projects with room to propose and own improvements.

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.

Deliver a summer C++ project that adds value to trading or research systems
Find and fix inefficiencies in existing tooling
Propose iterations and own a significant process by the end of the internship
Work within a large code base with production practices

What they ask for

Required

C or C++
Data structures and algorithmic complexity
Numerical algorithms
Distributed systems awareness
Large code base experience
Production delivery experience

Education: Not stated; aimed at students.
Experience: Internship; no prior experience level stated
Languages and tools: C++
C

How to prepare

Build a C++ project with tests and benchmarks, such as a matching engine or market-data parser
Revise data structures and complexity analysis
Contribute to an open-source C++ project to practise working in a large code base
Learn basic networking and message passing

What to study

The HFT Quant Developer roadmap sets out the stages for this kind of role, with free resources for each.

Open the roadmap

Apply

Read the full posting on Radix Trading’s site before applying: requirements, location and pay can change after we check them.

View the posting on Radix Trading’s site ↗

SelfMadeQuant wrote this summary from the employer’s public posting, last checked 6 November 2026. SelfMadeQuant isn’t affiliated with Radix Trading and doesn’t handle applications.