Senior C++ Engineer

Nova Stela Ltd; Greater London; Hybrid; GBP 120,000 - 180,000; Full time

Job summary

Nova Stela Ltd in London is seeking a Senior C++ Engineer to join our core engineering team. You will design and optimize ultra-low-latency trading systems at the heart of global markets.

You will work on highly performant infrastructure where speed, reliability, and precision drive trading success, collaborating with traders and technologists to deliver scalable solutions. The role requires strong C++ skills and experience in latency-sensitive environments.

Qualifications

• Strong C++ expertise for low-latency systems.
• Experience in latency-sensitive environments such as HFT.
• Knowledge of large-scale distributed systems and networking protocols.

Responsibilities

• Design and develop high-performance C++ systems for low-latency environments.
• Optimise and maintain critical trading infrastructure components.
• Work on large-scale distributed systems handling real-time data and execution.
• Collaborate with trading and technology teams to deliver robust solutions.
• Contribute to architecture, performance, and networking improvements.

Skills

C++ expertise

Low-latency / HFT

Distributed systems

Networking TCP/UDP

Problem solving

Communication skills

Job description

Location: London, on-site
Type: Full-time
Compensation & Benefits: Extremely competitive, market-leading base with significant upside on bonus

The Role

Our client, a Tier 1 high-frequency trading firm, is seeking a Senior C++ Engineer to join their core engineering team. This role focuses on building and optimising ultra low-latency systems that sit at the heart of trading operations. You’ll work on highly performant infrastructure where speed, reliability, and precision are critical to success in global markets.

Key Responsibilities

• Design and develop high-performance C++ systems for low-latency trading environments.
• Optimise and maintain critical components of trading infrastructure to ensure maximum efficiency and reliability.
• Work on large scale, distributed systems that handle real time data and execution.
• Collaborate with trading and technology teams to deliver robust, scalable solutions.
• Contribute to the continuous improvement of system architecture, performance, and networking capabilities.

Ideal Candidate:

• Strong expertise in low-level or systems programming, particularly in C++.
• Experience working with high-frequency trading or other latency sensitive systems.
• Solid understanding of large scale distributed systems.
• Knowledge of networking protocols such as TCP/UDP.
• Able to solve complex technical problems in a fast-paced, performance-driven environment.
• Strong communication skills and ability to collaborate with both technical and non-technical stakeholders.

Why This Role Matters:

• Work on cutting-edge systems where performance directly impacts trading success.
• Be part of a highly skilled engineering team at a leading global trading firm.
• Tackle challenging technical problems with real-world impact in financial markets.
• Gain exposure to advanced trading infrastructure and low-latency system design.