> Markdown version of [/jobs/ext/3100517-machine-learning-performance-engineer-xtx-markets-london-united-kingdom-an-hour-ago](https://www.wearedevelopers.com/jobs/ext/3100517-machine-learning-performance-engineer-xtx-markets-london-united-kingdom-an-hour-ago). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Machine Learning Performance Engineer XTX Markets ยท London, United Kingdom an hour ago - **Company:** XTX Markets - **Location:** London, UK - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Computing Platforms, C++ (Programming Language), Nvidia CUDA, Data Flow Control, Linux Kernel, Machine Learning, Scientific Computating, Graphics Processing Unit (GPU) - **Published:** September 27, 2026 - **Apply:** https://www.apply4u.co.uk/jobs/machine-learning-performance-engineer-xtx-markets-london-united-kingdom-an-hour-ago/48666206 ## About the Role Role XTX is seeking an experienced engineer to support our ML Performance and AI Acceleration function. You will be working in a small and highly technical team at extremely high- and low-levels of abstraction to dramatically increase the performance of XTX's training and inference platforms. The remit is wide, and you should expect to be challenged. We are not just writing CUDA code. Amongst other things, you will be working on a sophisticated optimising compiler for a variety of accelerated computing platforms. You should be proficient in memory hierarchies, degrees of parallelism, microarchitectural nuances on instruction dispatch rates and irregular bitwidth numerics. You will also be expected to assist in the design of novel hardware architectures for accelerating our models, mapping AI models from JAX graphs to transistors. Attributes You will be an experienced software engineer, likely in C/C++/Rust or a similar language. You will be confident solving complex algorithmic problems. In addition, the following experience would be of particular interest: Understanding of, and some experience targeting, GPUs, TPUs, or similar hardware. Some experience working with data-flow oriented compilers for AI or scientific computing. Writing Linux kernel modules or other experience in OS development. Benefits Too many to list! Key benefits below and full benefits listed on our website. Onsite gym, sauna, and fitness classes at no charge. Extensive medical benefits including an on-site doctor and therapist at no charge. Breakfast and lunch provided daily. Various supports for caregivers, including emergency dependent care. Beautiful Kings Cross office: 25 days paid holiday per year + statutory holiday and paid sick days. Generous Pension contributions. #J-18808-Ljbffr ## Related Videos - [Introduction to Azure Machine Learning](https://www.wearedevelopers.com/videos/368-introduction-to-azure-machine-learning) - [Coffee with Developers - Stephen Jones - NVIDIA](https://www.wearedevelopers.com/videos/1303-coffee-with-developers-stephen-jones-nvidia) - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [From Model to Metal: An Open Source Stack for Accelerating Intelligence](https://www.wearedevelopers.com/videos/1636-from-model-to-metal-an-open-source-stack-for-accelerating-intelligence) - [Localized Open Models in Production: What Builders Need to Know](https://www.wearedevelopers.com/videos/100270-localized-open-models-in-production-what-builders-need-to-know) - [What non-automotive Machine Learning projects can learn from automotive Machine Learning projects](https://www.wearedevelopers.com/videos/397-what-non-automotive-machine-learning-projects-can-learn-from-automotive-machine-learning-projects) ## Related Articles - [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer) - [What Are Large Language Models?](https://www.wearedevelopers.com/magazine/304-what-are-large-language-models) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [The Fastest-Growing Tech Sectors to Look Out for in 2025](https://www.wearedevelopers.com/magazine/373-the-fastest-growing-tech-sectors-to-look-out-for-in-2025) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline)