CareerPlan

C++ Senior Software Developer - London- Prop Trading Firm

London, England, GBFull-time£200k2026-10-08 → 2026-11-10

Core

Senior C++ engineer building low-level network hardware drivers, high-performance trading infrastructure, and internal tools for a prop trading firm's trading group and core infra team.

Role type

Senior hands-on IC C++ software developer

Builds

Production-grade trading infrastructure and network drivers

Domain

Financial technology / High-frequency trading

Required skills

C++11/17/20/23, Python, Linux kernel development, low-level system programming, high-performance computing, multi-priority project management

Preferred skills

Finance domain knowledge, machine learning, big data, robotics

Technologies

C++, Python, Linux

Responsibilities

Writing production code for trading infrastructure and network drivers, collaborating with traders to improve daily workflows, taking ownership of projects from conception to delivery

Seniority

Senior, hands-on IC