Machine Learning Jobs

Senior Manager (National Security)

Lead and deliver high-impact AI transformation projects for UK government and national security clients, bridging technical AI research with operational mission needs. Manage end-to-end project delivery, develop strategic proposals, and mentor cross-functional teams in a fast-evolving, high-stakes environment. Focus on responsible AI deployment, red teaming, and building trusted advisory relationships with senior stakeholders.

Faculty AI London, United Kingdom

On-site Permanent Clearance Required

Lead Data Scientist

Lead a team of data scientists to design and deliver high-impact, production-grade AI solutions for clients in highly regulated sectors such as finance and professional services. Drive technical direction, lead complex project scoping, and act as a trusted advisor to clients while shaping best practices and mentoring junior staff. Work across the full project lifecycle from feasibility to deployment, balancing innovation, speed, and reliability in real-world applications of machine learning.

Faculty AI London, United Kingdom

Hybrid Permanent

Solutions Consultant (German Speaking)

This role focuses on designing and delivering customer onboarding and education programs to accelerate product adoption and drive long-term success. The candidate will create engaging training content, define onboarding processes, and collaborate with cross-functional teams to ensure customers realize value quickly. The position emphasizes creative program development and data-driven success metrics within a fast-paced AI startup environment.

Synthesia London, United Kingdom

Remote Permanent

Data Scientist II, RufusX Science UK

This role involves improving the performance of large language models in Amazon's AI shopping assistant, Rufus, through instruction design, evaluation frameworks, and experimentation. The data scientist will analyze multimodal interaction data, develop automated evaluation pipelines, and collaborate with scientists and engineers to enhance conversational AI quality. Work includes A/B testing, retrieval augmentation, and contextual grounding to improve customer experience and business impact.

Amazon London, United Kingdom

On-site Permanent

Solutions Consultant (Italian Speaking)

This role focuses on designing and delivering customer onboarding and training programs to drive rapid product adoption and long-term retention. The individual will create engaging educational content, define success metrics, and collaborate with cross-functional teams to enhance customer experience. The position requires native Italian language skills and experience in SaaS customer education.

Synthesia London, United Kingdom

Hybrid Permanent

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 traveling globally to co-develop solutions on-site. The engineer will work with 3D data, CAE/CFD/FEA models, and time-series forecasting, translating R&D into robust, reusable tools.

PhysicsX North Tyneside, NE29 8EP, United Kingdom US$200,000 – US$250,000 pa

On-site Permanent Clearance Required

Machine Learning Engineer

A Machine Learning Engineer will collaborate with simulation engineers and customers to solve complex physics and engineering challenges using AI. The role involves building scalable ML pipelines, working with 3D point-cloud and mesh data, and translating R&D into deployable tools. Engineers will also travel to customer sites globally to implement solutions on-site, ensuring practical, impactful delivery across industries like aerospace, energy, and semiconductors.

PhysicsX North Tyneside, NE29 8EP, United Kingdom £150,000 – £190,000 pa

On-site Permanent Clearance Required

Recruiter, AI/ML Research EMEA

This role involves strategic talent acquisition for OpenAI’s AI/ML research team in EMEA, focusing on identifying and engaging leading researchers and technical scientists. The recruiter will work closely with research staff to shape hiring strategies, anticipate talent needs, and influence decisions in a fast-evolving technical landscape. It emphasizes deep engagement with global research communities and proactive sourcing in highly specialized domains.

OpenAI London, United Kingdom

Hybrid Permanent

Technical Threat Investigator, Threat Intel Engineering - UK

About the TeamSecurity is at the foundation of OpenAI’s mission to ensure that artificial general intelligence benefits all of humanity.The Threat Intelligence team protects OpenAI’s technology, people, research, and infrastructure by proactively identifying and disrupting adversaries who seek to compromise...

OpenAI London, United Kingdom

Remote Permanent

Applied Scientist, Observability, Prime Video

This role involves designing and deploying machine learning and generative AI models at scale to enhance observability systems for Prime Video. The scientist will work on log management, tracing, and AI-powered analytics to rapidly detect and resolve technical issues. Collaboration with global engineering teams is key to integrating models into production and improving the developer experience.

Amazon London, United Kingdom

Hybrid Permanent

Machine Learning Engineer

This role involves developing end-to-end machine learning systems integrated with advanced electronics for defence and security applications. You'll work across diverse domains such as computer vision and generative models, rapidly prototyping and deploying models into functional hardware systems. The role emphasizes innovation, rapid iteration, and close collaboration in a technically driven, low-management environment.

ECM Selection Cambridge, Cambridgeshire, United Kingdom £40,000 – £70,000 pa

On-site Permanent Clearance Required

Graduate Software Engineer

Software engineering at the frontier of AI and defenceThis team is motivated by saving lives in war affected regions and on the battlefield. They believe that by combining advanced technologies from different sectors they can fundamentally change the effectiveness of...

ECM Selection Cambridge, Cambridgeshire, United Kingdom £35,000 – £40,000 pa

Head of Medicinal Chemistry, Drug Design, London

Lead and strategically guide a team of 25 medicinal chemists in redefining drug discovery through deep integration with AI. Shape the scientific direction of projects from hit identification to candidate nomination, while fostering collaboration with AI, biology, and pre-clinical teams. Drive innovation by challenging traditional approaches and embedding an AI-first culture across drug design workflows.

Isomorphic Labs London, United Kingdom

On-site Permanent

Response Squad Agent

Act as the first point of contact for technical support queries, diagnosing and resolving straightforward issues while triaging more complex cases to the appropriate teams. Maintain clear, timely communication with customers and ensure accurate logging of all incidents and resolutions. Collaborate with internal teams to improve support processes and ensure smooth escalations.

Luminance London, United Kingdom

Hybrid Permanent

Agentic AI Engineer (life sciences)

This role involves designing and building LLM-powered agentic workflows that assist drug discovery scientists in generating testable therapeutic hypotheses for rare diseases. The engineer will work cross-functionally to integrate AI agents with a knowledge graph, scientific literature, and proprietary methods, refining systems that reason over complex biomedical data. Success includes owning workflows from concept to production, with a focus on reliable, evaluable, and maintainable agent design in a fast-moving AI landscape.

Healx Cambridge, United Kingdom

Hybrid Permanent