Latest AI Research Scientist Jobs

Safety Engineer - Free Tier Abuse

Design and build scalable backend systems for detecting and preventing abuse of free-tier services, focusing on AI-driven moderation and guardrails. Develop production-grade APIs, data pipelines, and observability frameworks while collaborating with ML engineers to deploy models at scale. Own end-to-end technical execution of safety infrastructure across a multimodal AI platform.

ElevenLabs United Kingdom

Remote Permanent

Full-Stack Engineer (Back-End Leaning)

Build and maintain scalable backend systems powering AI voice and creative tools used by millions. Work across platform, product, and infrastructure to integrate cutting-edge AI models, improve developer APIs, and strengthen cloud-native systems. Collaborate with frontend, growth, and sales teams to deliver intuitive, secure, and high-performance solutions.

ElevenLabs United Kingdom

Remote Permanent

Researcher, Robustness & Safety Training

This senior researcher role focuses on advancing AI safety through cutting-edge research and implementation. You will set research directions, collaborate with cross-functional teams, and ensure OpenAI's models are robust, safe, and aligned with ethical standards.

OpenAI London, United Kingdom

Permanent

Software Engineer, Codex Core Agents

This role involves designing and building the infrastructure that powers Codex agents, focusing on sandboxed execution, orchestration, stateful workflows, and model rollouts. You will work on distributed systems, developer tooling, and AI to ensure Codex is fast, reliable, and secure.

OpenAI London, United Kingdom

Permanent

Staff Software Engineer, Infrastructure (Distributed Systems)

This role involves leading the design and implementation of large-scale distributed systems that support AI model training, serving, and security. You'll drive architectural decisions, improve reliability and scalability, and collaborate closely with research and product teams to evolve infrastructure in line with evolving needs. The position emphasizes technical leadership, operational excellence, and mentoring within a high-impact AI research environment.

Anthropic London, United Kingdom £325,000 – £390,000 pa

Staff+ Software Engineer, Platform Connectivity

Design and operate core connectivity infrastructure for AI agents, including the MCP proxy, OAuth/token management, and admin controls. Contribute to the open MCP standard and SDKs while ensuring enterprise-grade reliability and security. Work across distributed teams to ship foundational services used by Claude products and API consumers.

Anthropic United Kingdom US$405,000 – US$485,000 pa

Solution Architect, Local Government AI

This role involves working closely with government clients and partners to design and deploy AI solutions using NVIDIA's hardware and software technologies. The Solution Architect will develop technical strategies, create educational resources, support proofs of concept, and guide field deployments in areas like computer vision, generative AI, and digital twins. Emphasis is placed on translating public-sector challenges into scalable, AI-driven outcomes while advocating for product improvements based on real-world feedback.

NVIDIA

Remote Permanent Clearance Required

Solution Architect, Local Government AI

This role involves working closely with government clients and internal teams to design and deploy AI-driven solutions that address public sector challenges. The Solution Architect will develop technical strategies, create educational resources, lead proof-of-concept initiatives, and support the implementation of AI workflows using NVIDIA's technologies. A strong focus is placed on computer vision, generative AI, and deep learning deployment in real-world government environments.

NVIDIA

Remote Permanent Clearance Required

Legal Fellow - Human Frontier Collective (UK)

This role involves collaborating on high-impact AI research projects with leading legal and technical experts, focusing on evaluating and improving generative AI systems in legal domains such as compliance, litigation, and contract analysis. Fellows contribute to real-world scenarios, provide regulatory and legal feedback, and co-author research publications. The position offers flexible, remote engagement within an interdisciplinary network advancing human-centered AI.

Scale AI United Kingdom

Remote Freelance Flexible

Medical Fellow - Human Frontier Collective (UK)

This role involves applying clinical expertise to evaluate and shape advanced generative AI systems in healthcare contexts. Fellows will design clinical scenarios, assess AI decision-making for safety and accuracy, and contribute to research publications. The position emphasizes interdisciplinary collaboration, structured feedback, and advancing human-centered AI in real-world medical applications.

Scale AI United Kingdom

Remote Freelance Flexible

Senior Security Researcher - Agent Workflow

This role involves researching and prototyping agentic AI workflows within cybersecurity, exploring how autonomous systems can enhance threat detection and response. You'll collaborate with product, engineering, and machine learning teams to translate innovative concepts into functional prototypes. The position emphasizes open-ended research, deep product understanding, and applying generative AI to real-world security challenges.

Darktrace Cambridge, CB2 3BJ, United Kingdom

Hybrid Permanent

Senior Security Researcher - Agent Workflow

This role involves researching and prototyping agentic AI workflows within cybersecurity, exploring how autonomous systems can enhance threat detection and response across Darktrace’s platform. You'll collaborate with product, engineering, and ML teams to translate novel AI concepts into functional prototypes, while maintaining deep expertise in both AI advancements and security applications. The position emphasizes innovation, cross-functional coordination, and applied research in a real-world cyber defense context.

Darktrace London, UB8 1LQ, United Kingdom

Hybrid Permanent

Principal ML Platform Engineer

Design and evolve the ML platform infrastructure for training, serving, and deploying generative models at scale. Build reliable, automated systems and internal tooling to reduce operational overhead for researchers and engineers. Work across distributed systems, Kubernetes, and cloud environments to improve scalability, observability, and developer experience in a high-growth AI company.

Synthesia London, United Kingdom

Remote Permanent

Senior Machine Learning Engineer - National Security (TIRE)

Develop and deploy advanced machine learning and AI solutions for national security challenges in collaboration with cross-disciplinary teams. Lead technical projects, build scalable data systems and microservices, and provide technical leadership while working at the intersection of research and real-world impact. Mentor team members and contribute to research proposals and capability development.

The Alan Turing Institute Cheltenham, South West England, United Kingdom £57 – £62 pa

Contract

Senior Machine Learning Engineer

This role involves working on complex R&D projects in speech technology, collaborating with a diverse team of engineers, and staying current with the latest developments in machine learning. The focus is on training and deploying advanced speech recognition models, with an emphasis on innovation and best engineering practices.

Speechmatics Cambridge, United Kingdom