ML / AI Platform Engineer

ML / AI Platform Engineer (Train \& Serve at Scale | up to £300k+ TC) · London / Europe Title: ML / AI Platform Engineer Location: London / Europe Salary: Total compensation up to £300,000+ plus equity Dex is an intelligent recruiter that helps you run your job search. Tell Dex about your experience, what you want to build or solve, and your non-negotiables — we only surface the handful of roles genuinely worth your time, and manage the applications on your behalf. Interested? Apply now by connecting your LinkedIn to Dex. Platform work gets treated as plumbing at a lot of companies. Not at the ones we work with — frontier labs, fintechs and enterprise-AI teams whose products live or die on training throughput, inference cost and cluster reliability. There, the platform engineer is one of the most consequential hires they make, and the comp reflects it. We know these teams day to day, so we can tell you where the infrastructure genuinely is the product. The opportunities Salaries across these roles run up to £300k+, with equity on top. You'd own the systems everything else stands on: the training stack, the GPU clusters, the inference layer, the tooling every ML engineer ships through. Impact is measurable in the units that matter — throughput, latency, reliability — and visible to the whole company when you move them. You could work on * Building and running training and inference infrastructure at scale * Owning GPU and cluster performance, throughput and reliability * Building the platform and tooling the ML org depends on * Taking systems from first build-out to steady production operation You may have * A strong ML infrastructure or platform engineering background * Distributed training, GPU optimisation or large-scale serving experience * Comfort going low-level — kernels, profiling, parallelism — when it counts * A production mindset: reliability and observability as first-class work Why apply through Dex? We put you in front of the right teams with a proper introduction, not a cold application — and you stay in control of what moves forward. As part of the recruitment process at Dex, we process your personal data in accordance with our Privacy Notice for Job Applicants . This notice explains how and why your data is collected and used, and how you can contact us if you have any concerns.