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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # C++ Engineer (KDB & Low Latency Trading) - **Company:** SoHo Dragon - **Location:** London, UK - **Experience:** Expert - **Salary:** £200,000.0 - £220,000.0 - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Algorithmic Trading, Data Analysis, Apache HTTP Server, Bash Shell, Big Data, C++ (Programming Language), CMake, Profiling, Code Review, Data Structures, Software Debugging, Memory Management, Python (Programming Language), Remote Direct Memory Access, Memory Leaks, Scripting, Git, Pandas, Perf (Linux), Low Latency, Real Time Data, Build Tools, C++14, Software Version Control - **Published:** August 4, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=68d63dcbaf2eff78 ## About the Role * 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. * FaC++ Engineer., * 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. miliar 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. ## Description 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., * 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., 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. ## Related Videos - [Code to Road in < 12 hours](https://www.wearedevelopers.com/videos/1082-code-to-road-in-12-hours) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Inside Bitpanda's Tech Stack: Scaling a European Fintech Leader - Markus Dorner](https://www.wearedevelopers.com/videos/1979-inside-bitpanda-s-tech-stack-scaling-a-european-fintech-leader-markus-dorner) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Shipping Faster with Less: Render on Cloud Hosting, AI Workloads, and the Future of DevOps](https://www.wearedevelopers.com/videos/1894-shipping-faster-with-less-render-on-cloud-hosting-ai-workloads-and-the-future-of-devops) - [Stop Committing Your Secrets - GIt Hooks To The Rescue!](https://www.wearedevelopers.com/videos/573-stop-committing-your-secrets-git-hooks-to-the-rescue) ## Related Articles - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Résumé-Driven Development: How IT trends affect the job market for software developers](https://www.wearedevelopers.com/magazine/59-resume-driven-development-how-it-trends-affect-the-job-market-for-software-developers) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)