C++ Engineer

sohodragon· Technology
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📍 London, ENG, United KingdomFULL TIME💰 GBP 200K–220K

About this role

We are looking for a C++ engineer to design and build high‐performance, low‐latency applications that process large volumes of real‐time data. You will work on systems where microseconds and throughput matter, optimising every layer from algorithms and data structures to networking and OS interaction.
Key Responsibilities
  • Design, implement, and maintain high‐performance C++ services handling high message rates and low‐latency workloads.
  • Optimise existing components for latency, throughput, and CPU/memory efficiency.
  • Develop and tune networking, messaging, and I/O layers to handle large data volumes reliably.
  • Profile and debug performance issues at application, OS, and network levels.
  • Collaborate with quantitative, trading, and infrastructure teams (or analogous business/tech teams) to translate requirements into robust technical solutions.
  • Write clean, production‐quality code with appropriate tests and documentation.
  • Participate in code reviews, design discussions, and continuous improvement of engineering practices.
Required Qualifications
  • Strong proficiency in modern C++ (C++17/20 or later) 5+ years of experience
  • AND must have
    • KDB / Q Experience for large market data
    • Modern data analysis with pytorch, pandas and modern tooling including Apache arrow
    • Familiar with basics statistics as applied to financial research
  • Proven experience building performance‐critical, real‐time, or low‐latency systems (e.g., networking, trading systems, telemetry, gaming engines, or similar).
  • Strong knowledge of computer science fundamentals: data structures, algorithms, memory management, and optimization.
  • Experience using profiling, benchmarking, and performance analysis tools (e.g., perf, valgrind, flame graphs, CPU/memory profilers).
  • Proficiency with version control (Git) and standard build systems (CMake, Ninja, etc.).
  • Excellent problem‐solving skills and attention to detail; ability to work in a fast‐paced environment.
Preferred Qualifications
  • Experience with kernel bypass or user‐space networking technologies (e.g., DPDK, RDMA, VMA, Solarflare/OpenOnload) – helpful but not required.
  • Familiar with AI productivity-enhancing coding tools
  • Experience in financial markets, market data distribution, order routing, or exchange connectivity.
  • Experience with monitoring/telemetry for high‐performance systems (latency histograms, throughput metrics, SLAs).
  • Familiarity with scripting languages (e.g., Python, Bash) for tooling and automation.
Personal Attributes
  • Obsessed with performance, measurement, and data‐driven optimisation.
  • Comfortable owning features end‐to‐end and operating in a production environment.
  • Clear communicator who can work closely with both technical and non‐technical stakeholders.
  • Proactive, self‐directed, and able to thrive in a highly iterative environment.

Frequently Asked Questions

What is the salary for the C++ Engineer role at sohodragon?
The listed salary for this C++ Engineer position at sohodragon is GBP 200K–220K. This is an FULL TIME role.
Where is the C++ Engineer position at sohodragon located?
This C++ Engineer role at sohodragon is based in London, ENG, United Kingdom. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the C++ Engineer role at sohodragon full-time or part-time?
This is listed as a FULL TIME position. It is posted as a C++ Engineer role in the Technology department at sohodragon.
Which team or department does the C++ Engineer at sohodragon belong to?
This C++ Engineer position is part of the Technology department at sohodragon. See the full job description for more information about the team structure and responsibilities.
How do I apply for the C++ Engineer position at sohodragon?
Click the "Apply Now" button on this page. You will be redirected to sohodragon's official application portal hosted on keka where you can submit your application directly.
When was the C++ Engineer job at sohodragon posted?
This C++ Engineer position at sohodragon was posted on Jul 15, 2026. Apply as soon as possible — early applications are often reviewed first.
C++ Engineer
sohodragon · 💰 GBP 200K–220K
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