C/C++ Software Engineer – Core Development (Quant Trading)

About the role

Join a leading global high‑frequency trading firm as a C/C++ Software Engineer within the Core Development team. You will work in a fast‑paced London office that blends start‑up energy with the stability of an established player, building the next generation of algorithmic trading platforms.

Key responsibilities

• Design, develop and maintain high‑performance C/C++ components for fast networking, HPC and real‑time acceleration.
• Collaborate with traders and technologists to co‑design hybrid hardware/software solutions.
• Implement low‑level and embedded software applications that support the firm’s trading operations.
• Contribute to API design and ensure robust, scalable code delivery.

Required profile

• Strong C/C++ design and programming expertise with solid API design experience.
• Broad knowledge of algorithms and a basic understanding of statistics and algebra.
• Hands‑on experience with Python, Matlab or R for data analytics (Matplotlib, numpy preferred).
• Proven track record developing low‑level or embedded software in a dynamic environment.
• Degree in Electrical/Computer Engineering, Computer Science or a related field; not a fresh graduate.

Required skills

• C/C++ programming
• API design
• Algorithms
• Python
• Matlab
• R
• Matplotlib
• numpy
• Low‑level software development
• Embedded systems
• Computer architecture
• Network architecture

What we offer

• Competitive base salary up to £200k plus performance bonus.
• Significant growth and learning opportunities with direct business impact.
• Career progression support and rewards for contributions.
• Comprehensive benefits package including private medical, paid parental leave, group life assurance, and parking/cycle schemes.