Machine Learning Jobs

Fullstack Software Engineer, Child Safety Tools & Systems

This role involves building and maintaining data-intensive, AI-powered applications and infrastructure to protect users from high-severity harms. You will work closely with operators and investigators, developing systems that enable efficient and responsible handling of sensitive content.

OpenAI London, United Kingdom

Permanent

Manager, Applied AI Architects

This role involves leading a team of senior technical leaders to design and deploy AI solutions for OpenAI's largest and most complex customers. Responsibilities include setting technical strategies, coaching the team, and building trusted relationships with C-suite stakeholders.

OpenAI London, United Kingdom

Permanent

Research Leader / Senior Scientist (Medicinal Drug Design), Cambridge, MA

Lead or contribute to drug discovery projects by integrating medicinal chemistry expertise with AI-driven platforms. Collaborate closely with machine learning scientists to refine predictive models, guide programs from hit identification to candidate selection, and manage external research partners. The role emphasizes innovation in structure-based and fragment-based design within a dynamic, interdisciplinary environment.

Isomorphic Labs Cambridge, United Kingdom

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

Lead Software Engineer

Lead the technical direction of AI and machine learning projects, designing production-grade systems and guiding cross-functional teams. Drive architectural decisions, mentor engineers, and deliver innovative solutions for clients in the energy and sustainability sector. Focus on reusable tools, scalable infrastructure, and high-impact delivery in a fast-paced environment.

Faculty AI London, United Kingdom

Hybrid Permanent

Senior Software Engineer

This role involves building and scaling an enterprise AI platform focused on decision intelligence, with applications in healthcare and life sciences. You'll work across the full stack using Python and TypeScript, integrate the platform into customer environments, and lead technical delivery while mentoring junior engineers. The role emphasizes robust system design, automated testing, and close collaboration with cross-functional teams to deploy AI-driven solutions in production.

Faculty AI London, United Kingdom

Hybrid Permanent

Senior Forward Deployed Engineer (Technical Data Architect)

This role involves working with customers to build and productionize data and AI solutions using the Databricks platform. Responsibilities include leading architecture and design decisions, implementing end-to-end systems, and guiding strategic big data projects. The role requires deep technical expertise, customer empathy, and the ability to work cross-functionally.

Databricks London, United Kingdom

AI Forward Deployed Engineer - London

This role involves developing and deploying cutting-edge GenAI solutions for customers, collaborating with product and engineering teams, and presenting at industry conferences. The ideal candidate has extensive experience with GenAI tools and platforms, a passion for collaboration, and a graduate degree in a quantitative field.

Databricks London, United Kingdom

Forward Deployed Engineer - Software Engineer - United Kingdom

This role involves working closely with ElevenLabs' most strategic customers to design and implement high-impact technical solutions. Responsibilities include full ownership of major projects, collaborating with customer teams, and driving innovation through coding and problem-solving.

ElevenLabs London, United Kingdom

Remote Permanent

AI Safety Engineer (Data)

This role involves building and managing datasets and evaluation systems for AI safety, translating policy into data criteria, and creating scalable processes for model assessment. The candidate will work hands-on with real-world data, design labelling workflows, and develop Python/SQL pipelines to support training and monitoring of AI models in production. Collaboration with safety researchers, engineers, and policy teams is central to the role.

ElevenLabs London, United Kingdom

Hybrid Permanent

Principal Data Scientist

Lead and deliver high-impact machine learning solutions within the Defence sector, shaping technical strategy and client engagements. You will develop production-grade AI systems, including generative and agentic AI, while mentoring junior data scientists and guiding technical selling efforts. Work involves on-site collaboration with government clients and setting standards across complex, real-world AI deployments.

Faculty London, United Kingdom

Hybrid Permanent

Senior Data Scientist (Safety)

Lead high-impact AI safety projects by designing novel evaluation frameworks and robust software architectures for frontier AI labs. Mentor technical team members and ensure scientific rigour across the project lifecycle while contributing to thought leadership through research and open-source contributions. Work at the intersection of national security and cutting-edge AI development to advance responsible deployment.

Faculty London, United Kingdom

Hybrid Permanent

Expression of Interest: Next-generation Agentic Controls and Forensics (Technical Roles)

This role involves pioneering research into agentic controls and forensics for future AI systems, focusing on scalable technical methods to detect and understand AI misbehaviour. You'll work with pre-release frontier models and have access to significant computational resources, operating at the intersection of AI safety, security, and policy. The position offers high autonomy to explore novel research directions with real-world impact on global AI governance.

AI Security Institute London, United Kingdom £65,000 – £145,000 pa

Technical Program Manager, AI Delivery for Public Sector & Defence, UK

This role involves leading end-to-end technical program delivery for AI deployments within UK public sector and defence organisations. The individual will act as a bridge between Cohere’s advanced AI capabilities and government stakeholders, managing complex procurement, security, compliance, and integration requirements. Success requires navigating air-gapped environments, high-stakes governance, and multi-team coordination to ensure responsible, secure, and scalable AI adoption.

Cohere London, United Kingdom

Hybrid Permanent Clearance Required

Member of Technical Staff, Multilingual

This role involves advancing multilingual large language models through research and engineering, focusing on improving performance across diverse languages and NLP tasks. You'll design scalable systems, publish cutting-edge research, and mentor team members in a globally impactful AI initiative. The position emphasizes technical rigor, innovation in language technology, and collaboration within a world-class team.

Cohere London, United Kingdom

Remote Permanent