Machine Learning Jobs

Senior Research Scientist - AI Safety

Lead high-impact research in AI safety, focusing on red teaming and evaluations for frontier models in high-risk domains such as cybersecurity and CBRN. Develop novel mitigation strategies, shape research direction, and contribute to publications and stakeholder engagement. Work at the intersection of technical depth and real-world safety impact within a small, high-agency team.

Faculty AI London, United Kingdom

Hybrid Permanent Clearance Required

Senior Full Stack Software Engineer

Design and build full-stack platforms that translate complex data science and AI insights into production-grade applications, with a focus on scalability and performance. Lead technical architecture, mentor engineers, and collaborate closely with data scientists and product managers in a regulated financial services context. Work across frontend and backend systems to deliver secure, reliable software solutions for high-impact clients.

Faculty AI London, United Kingdom

Hybrid Permanent

Software Engineer, Codex Core Agents

About the TeamThe Codex Core Agent team builds the kernel of Codex. We own making the agent better, accelerating research, and making those improvements real in production for our users.That means working across the systems that make Codex actually function...

OpenAI London, United Kingdom

Permanent

Applied AI Engineer, Codex Core Agent

About the TeamThe Codex Core Agent team builds the kernel of Codex. We own making the agent better, accelerating research, and making those improvements real in production for our users.That means working across the systems that make Codex actually function...

OpenAI London, United Kingdom

Permanent

Frontend Engineer

This role involves building client-facing web applications to visualise insights from AI and machine learning models, working closely with data scientists and designers. The engineer will help establish frontend standards, maintain deployment infrastructure, and create reusable component libraries. Based in London with hybrid working, the role supports high-impact public sector projects and requires occasional on-site work with government clients.

Faculty London, United Kingdom

Hybrid Permanent Clearance Required

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

Machine Learning Engineer

This role involves designing, building, and deploying advanced machine learning models to solve complex operational challenges in real-world environments. You will work closely with a high-calibre founding team, industrial data, and customer environments to take machine learning systems from early validation through to scalable deployment.

Platform Recruitment London, United Kingdom £60,000 – £70,000 pa

On-site Permanent

Senior Machine Learning Research Engineer

This role involves building and scaling generative and predictive machine learning models for cellular behaviour using multi-omic and interventional biological data. The engineer will implement large neural networks, optimise distributed training and inference pipelines, and collaborate closely with ML scientists and biologists to translate research into production-grade systems. Work focuses on robust infrastructure development, performance optimisation, and integrating cutting-edge ML tooling within an interdisciplinary team.

Relation Therapeutics London, United Kingdom

Permanent

Associate Director, Data Engineering

Lead and scale a unified data platform that integrates wet and dry lab data to accelerate drug discovery. You'll build and manage a high-performing data engineering team, ensure FAIR data principles, and drive scalable, secure infrastructure using modern orchestration and cloud technologies. The role bridges computational science, engineering, and lab operations in a highly interdisciplinary environment.

Relation Therapeutics London, United Kingdom

On-site Permanent

Graduate AI Architect

This role involves supporting the design and development of AI solutions within a telecommunications environment, with a focus on AI integration, network optimisation, and cloud-based data projects. The candidate will work alongside technical teams to implement responsible AI practices and contribute to real-world AI initiatives. A structured training programme and mentorship support professional growth in AI and cloud technologies.

Global Tech Recruitment London, United Kingdom £42,000 – £45,000 pa

Legal Technology Consultant / Artificial Intelligence PM

This role involves leading legal technology projects with a focus on document automation and Generative AI, acting as a bridge between legal teams and technical experts. The consultant will configure workflows, manage vendor platforms, and drive adoption through training, all within a global legal services firm. What sets this role apart is its hands-on technical engagement with AI and low-code tools in a high-impact legal innovation context.

Brimstone-Recruitment London, United Kingdom £55,000 – £75,000 pa

Assistant Professor in Engineering with Artificial Intelligence

This role involves teaching and curriculum development in engineering with a focus on artificial intelligence, delivering project-based learning that integrates AI and machine learning into real-world engineering challenges. The postholder will supervise student projects, contribute to research, and embed ethics, sustainability, and professional practice into the programme. Collaboration with industry partners and participation in academic leadership activities are also key responsibilities.

ASU London London, United Kingdom £45,000 – £55,000 pa

Senior AI Engineer - Perm - London

Design and build scalable AI data pipelines and cloud-native services, productionising machine learning and NLP models into reliable systems. Collaborate with data scientists and engineers to deliver intelligent products, while mentoring junior staff and shaping engineering standards. Work with cutting-edge technologies including LLMs, Kubernetes, and cloud platforms in a hybrid environment.

Infused Solutions London, United Kingdom £65,000 – £75,000 pa

Hybrid Permanent

Machine Learning Engineer

Design and optimize machine learning models for hardware acceleration on platforms such as GPUs and QPUs, focusing on low-latency distributed systems and algorithm development. Work closely with international clients using cutting-edge simulation and modeling technologies. Operate as a senior individual contributor within an established engineering team.

Hexwired Recruitment Limited London, United Kingdom £80,000 – £120,000 pa

AI Engineer - DV Cleared

Design and implement AI and machine learning solutions within secure, high-impact environments, integrating with platforms like Palantir Foundry and Gotham. Work on mission-critical national security programmes using cloud technologies and advanced data engineering techniques. Collaborate in multidisciplinary teams to solve complex technical challenges with real-world implications.

CBSbutler Holdings Limited trading as CBSbutler London, United Kingdom £80,000 – £100,000 pa

Hybrid Permanent Clearance Required