Machine Learning Jobs

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Senior Machine Learning Engineer - AV Core

As a Senior Machine Learning Engineer, you will lead the development of large-scale data curation and mining techniques, focusing on rare events and model introspection for robust driverless operation. You will collaborate with research, simulation, and engineering teams to enhance the safety and performance of Wayve's autonomous driving systems.

Wayve London, United Kingdom

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Staff ML Engineer Gaia

As a Staff ML Engineer on Gaia, you will lead and execute large-scale training runs for video foundation models, contribute to model architecture and training strategies, and improve world-model capabilities for synthetic scenario generation. You will work closely with research, applications, simulation engineering, and cloud/infrastructure teams to deliver end-to-end impact in a fast-paced, results-focused environment.

Wayve London, United Kingdom

Head of Deal Desk - International

Lead and scale the Deal Desk function for Anthropic's international business across EMEA and APAC, overseeing complex deal structuring, pricing, and approvals while ensuring alignment with global standards. Build and manage a team of three, acting as the key commercial partner to sales on non-standard deals and bridging field needs with finance, legal, and revenue operations. Establish scalable processes, tooling, and metrics to support rapid international growth in a high-ambiguity environment.

Anthropic London, United Kingdom

Data Scientist

Design and deliver bespoke data science solutions for high-impact projects in the defence sector, working closely with clients and cross-functional teams. Drive technical scoping, build scalable algorithms, and uphold rigorous standards in code and model validation. Contribute to thought leadership through open-source, teaching, or public speaking while operating in a secure, ethical AI environment.

Faculty London, United Kingdom

Hybrid Permanent

Machine Learning Engineer

Design and deploy production-grade machine learning systems for high-impact clients in national security and AI safety. Work across the full ML lifecycle, from prototyping to scalable deployment, using cloud infrastructure and modern MLOps practices. Collaborate with cross-functional teams to deliver secure, reliable AI solutions that solve real-world challenges.

Faculty London, United Kingdom

Hybrid Permanent

Senior ML Systems Engineer, Frameworks & Tooling

Design and maintain core components of a large-scale LLM training framework, focusing on distributed systems, performance optimization, and developer tooling. Work across the ML stack to improve throughput, stability, and reproducibility on multi-node GPU clusters. Build monitoring, debugging, and automation tools to support fast-moving research and production workflows.

Cohere London, United Kingdom

Remote Permanent

Senior Member of Technical Staff, Safety and Security for Agents

This role focuses on improving the safety, fairness, and trustworthiness of next-generation large language models that interact with external resources and take autonomous actions. You'll design and implement data generation strategies, post-training algorithms, and evaluation methods, working closely with ML, policy, and product teams. The position emphasizes hands-on experimentation, statistical rigor, and responsible AI practices in a highly autonomous, research-driven environment.

Cohere London, United Kingdom

Hybrid Permanent

Staff Infrastructure Engineer, Cluster Infrastructure

This role involves leading the technical strategy for agent-driven automation in cluster lifecycle management, ensuring secure, scalable, and fault-tolerant compute infrastructure across cloud and on-prem environments. You'll collaborate with research, product, and security teams to shape long-term infrastructure direction, with a focus on high-bandwidth interconnectivity and operational excellence. The position emphasizes mentorship, cross-team alignment, and driving innovation in large-scale cluster provisioning and management.

Anthropic London, United Kingdom £325,000 – £485,000 pa

On-site Permanent

AI Product Analyst

This role involves establishing and owning the product analytics and evaluation framework for AI products across multiple professional domains. The analyst will measure performance using metrics like retrieval quality and user engagement, build dashboards, curate golden datasets with subject-matter experts, and deliver insights to guide investment decisions. The position works closely with engineering and product teams to shape development through data, with a focus on real-world impact and model correctness.

The Portfolio Group London, United Kingdom £80,000 – £85,000 pa

Senior Machine Learning Engineer

A Senior Machine Learning Engineer will lead the deployment of AI models into production environments for engineering and physics simulations, working closely with customers and cross-functional teams. The role involves building scalable ML pipelines, mentoring engineers, and translating R&D into practical tools using Python, PyTorch, and cloud/on-prem infrastructure. Frequent international travel and on-site collaboration are key aspects of the role.

PhysicsX London, United Kingdom

Senior Software Security Developer – Core Platform Services

This role involves designing and implementing core security features for a high-performance simulation platform, with a strong focus on authentication, secure coding standards, and cross-team collaboration. The developer will act as a security SME, conducting threat modeling, code reviews, and mentoring engineers across the organization. Work spans identity protocols, platform guardrails, and incident response support within a fast-paced, AI-driven engineering environment.

PhysicsX London, United Kingdom

Machine Learning Developer - Quant Strategies

This role involves building statistical models for quantitative strategies in equities and commodities, working closely with business partners to deliver robust solutions. You will become the machine learning authority, attending events and delivering presentations, while operating in a forward-thinking environment with opportunities for personal projects.

Newton Colmore London, United Kingdom

On-site Permanent

Senior Applied Data Scientist

This role involves leading end-to-end data science projects to enhance customer personalisation for major retail clients like Tesco UK. You'll work with large-scale transactional data, apply machine learning techniques, and design A/B tests to deliver scalable, data-driven solutions. The position emphasizes collaboration with cross-functional teams and translating complex insights for both technical and non-technical stakeholders.

dunnhumby London, United Kingdom

Hybrid Permanent

Infrastructure Team Lead

The Infrastructure Team Lead will lead a team of engineers while driving technical strategy across the full infrastructure stack, from bare metal GPU clusters to internal services. The role involves hands-on work with infrastructure-as-code (Terraform, Ansible, Helm), automation, and operational reliability, alongside coaching engineers and shaping career development. This position is central to scaling and stabilising systems that support AI research and development in a high-impact engineering environment.

Speechmatics London, United Kingdom

Hybrid Permanent

Senior Machine Learning Engineer

Design and implement high-performance machine learning models using C++, CUDA, and PyTorch, with a focus on GPU acceleration and advanced AI applications such as Transformers and computer vision. Work within a research-driven team to develop next-generation AI solutions for real-world deployment. The role involves low-level optimisation and close collaboration on cutting-edge algorithm development.

Hexwired Recruitment Limited London, United Kingdom £60 – £80 ph