Machine Learning Jobs

Senior Data Scientist

Lead high-impact AI projects in the defence sector, designing end-to-end data science solutions and robust software architectures. Mentor junior data scientists, lead delivery teams, and collaborate with clients to translate complex problems into rigorous technical frameworks. Contribute to thought leadership through open-source work, public speaking, and training, while ensuring ethical and reliable AI deployment in high-stakes environments.

Faculty AI London, United Kingdom

Remote Permanent Flexible Clearance Required

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

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

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

Senior Forward Deployed Software Engineer

This role involves building and deploying full-stack applications that integrate AI-driven physics simulation models to solve complex engineering problems for clients across aerospace, energy, automotive, and other advanced industries. You'll work closely with customers on-site and collaborate with data scientists and engineers to design, prototype, and iterate tools that transform engineering workflows. The position emphasizes end-to-end ownership, rapid development, and translating real-world engineering challenges into impactful software solutions using modern cloud-native technologies.

PhysicsX North Tyneside, NE29 8EP, United Kingdom US$150,000 – US$250,000 pa

Hybrid Permanent

Software Engineer, GPU Infrastructure- ChatGPT Engineering

Design and operate software systems managing large-scale GPU clusters that power ChatGPT inference workloads. Build automation, observability, and intelligent tooling to improve fleet reliability, efficiency, and scalability. Collaborate with infrastructure, research, and product teams to optimize compute utilization and drive operational excellence across distributed systems.

OpenAI London, United Kingdom

Hybrid Permanent

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

Enterprise Customer Success Manager

This role involves managing enterprise customer relationships to drive retention, adoption, and expansion of Synthesia's AI video platform. The manager conducts strategic discovery, leads quarterly business reviews, and acts as a trusted advisor to ensure customers realize value. Collaboration with cross-functional teams ensures seamless onboarding and issue resolution.

Synthesia New York City, New York, United States £140,000 – £160,000 pa

Hybrid Permanent

Solutions Architect

This role involves leading end-to-end customer implementations for Synthesia's AI video platform, designing technical architectures that align with high-value business use cases, and acting as a trusted advisor to both technical and executive stakeholders. The Solutions Architect will build scalable frameworks, develop proofs of concept, and bridge customer needs with product evolution by collaborating across Sales, Product, and Engineering. It's a strategic position focused on driving platform adoption, measurable outcomes, and long-term customer success in a high-growth AI environment.

Synthesia New York City, New York, United States £140,000 – £230,000 pa

Hybrid Permanent

Senior Technical Program Manager - Security Products, IAM - SEL

This role involves leading end-to-end delivery of security-focused technical programs within Amazon, with a focus on access policy management, fine-grained and context-based authorization, and abuse detection using machine learning. The candidate will coordinate across teams to scope projects, define roadmaps, and ensure high-quality delivery at scale. The position emphasizes solving complex security challenges related to data protection and insider threat mitigation across Amazon's vast service ecosystem.

Amazon London, United Kingdom

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

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

Tech Lead Assist - Robotaxi

This role involves defining the end-to-end architecture for remote assistance in Wayve’s Robotaxi system, integrating vehicle telemetry with real-time human operator support. The Tech Lead will establish safety-critical system requirements, lead cross-team technical execution, and shape the technical roadmap across onboard and offboard systems. The role emphasizes low-latency, reliable, and safe human-in-the-loop operations within an AI-driven autonomous driving environment.

Wayve London, United Kingdom

Remote Permanent