Middle Office Developer (C++/Python)

LMAX Group

Full-time IT & Technology
Apply Now
Location
london, england, United-Kingdom
Posted
May 28, 2026

Job Description

Overview

LMAX is looking for a C++ and Python developer to join our middle-office team. This team works closely with the infrastructure, research and treasury teams. In this position you can expect to take a significant role in the development of our trade reconciliation, back‑testing framework and trading monitoring. You will be working with the team to design and implement our trading system with a predominant focus on data engineering. We are looking for developers who are confident in their ability to develop software, both with others and on their own.

A finance or trading background is not required.

What you will be working on

Our code base is currently split between C++, a language which the infrastructure team works on, and Python, which is used by the research team for analysis and automation. This role is part of a new team to help bridge the gap between the two.

Performance

Working on financial data brings some inte...