Latest Research Jobs

Research Leader (Toxicology), Cambridge, MA

Lead toxicology strategy in an AI-driven drug discovery environment, designing safety assessment frameworks and predictive models to reduce reliance on animal testing. Collaborate with machine learning teams to integrate toxicology insights into a digital drug design engine, while mentoring junior scientists and guiding regulatory submissions for small molecules and biologics.

Isomorphic Labs Cambridge, United Kingdom

Research Scientist (Applied LLMs), London

A Research Scientist role focused on applying Large Language Models to drug discovery challenges, working within an interdisciplinary team of AI and life sciences experts. The position involves developing novel LLM-driven methods, refining models for biological and medical applications, and collaborating across scientific domains. The role requires deep technical expertise in LLMs and a strong foundation in machine learning and computational science.

Isomorphic Labs London, United Kingdom

Hybrid Permanent

Research Engineer, Pretraining

A Research Engineer on the Pretraining team will bridge cutting-edge AI research and large-scale systems engineering, focusing on advancing large language models through work in model architecture, training optimization, and data processing. The role involves deep collaboration across research and engineering, with hands-on contributions to the full stack—from low-level infrastructure to high-level model design. Key projects include optimizing attention mechanisms, scaling distributed training, and improving model interpretability.

Anthropic London, United Kingdom £260,000 – £630,000 pa

On-site Permanent

Research Engineer, Pretraining Scaling - London

This role involves owning critical parts of Anthropic's production pretraining pipeline for large language models, focusing on performance optimization, debugging across hardware and training dynamics, and ensuring reliable, scalable model training. The position requires deep technical expertise in distributed systems and ML frameworks, with hands-on responsibilities during high-pressure model launches and a strong emphasis on operational reliability and cross-team coordination.

Anthropic London, United Kingdom £260,000 – £630,000 pa

On-site Permanent

Researcher, Recursive Self-Improvement Safety

This role involves conducting research and developing strategies to mitigate risks associated with advanced AI capabilities, particularly focusing on recursive self-improvement. Responsibilities include designing and implementing risk assessment, control measures, and safety protocols, as well as collaborating with other teams to ensure robust AI safety practices.

OpenAI London, United Kingdom

On-site Permanent

Researcher, Frontier Risk Mitigations

This role involves identifying and mitigating emerging AI safety risks, developing new methodologies, and collaborating with experts across various domains to ensure the safety and alignment of OpenAI’s AI systems. The researcher will play a critical role in defining best practices and evaluating the robustness of safety systems.

OpenAI London, United Kingdom

On-site Permanent

Senior Researcher in Probabilistic Machine Learning for AI Governence

This role involves leading research on Bayesian methods for evaluating and monitoring AI systems, publishing findings, and guiding research assistants and students. The position is based in the Bayesian Governance Lab at the University of Oxford, with a focus on sequential Bayesian inference and experimental design.

University of Oxford Oxford, South East England, United Kingdom £49 – £59 pa

Contract

Staff Research Scientist, Reinforce Learning

This role involves developing and advancing AI systems for autonomous driving, focusing on areas like world modeling, reinforcement learning, and spatial intelligence. You'll work on cutting-edge research and real-world deployment, contributing to the future of embodied AI.

Wayve London, United Kingdom

Senior Research Engineer - Interactive Avatars

This role involves developing advanced AI models for interactive avatars, focusing on diffusion-based video generation conditioned on audio, motion, and user interaction. The engineer will work on real-time, long-form video synthesis, improving lip-sync and motion realism, and building evaluation systems to ensure high visual quality. The position bridges cutting-edge research and product deployment within a fast-moving AI video platform.

Synthesia London, United Kingdom

Remote Permanent

Principal Research Engineer

Lead the end-to-end technical direction of offline video generation for a leading AI video platform, driving large-scale generative model development from pre-training through post-training. Bridge research and product by solving cross-cutting technical challenges in training stability, data pipelines, and alignment. Coach engineers, shape team processes, and accelerate the deployment of state-of-the-art avatar video models at scale.

Synthesia London, United Kingdom

Remote Permanent

Postdoctoral Research Assistant in Statistical Machine Learning for Genomics

This role involves developing and applying novel statistical and machine learning methods to large-scale genomic and health data. You will work on projects related to human genetics and evolution, focusing on areas like genomic language models, multimodal learning, and federated learning, and collaborate with researchers to publish findings.

University of Oxford Oxford, South East England, United Kingdom £39 – £47 pa

On-site Contract

Senior Research Scientist, Model Evaluation

This role involves creating new evaluation benchmarks for large language models (LLMs), working with cross-functional teams to refine evaluation methods, and building scalable tools to measure model performance. The focus is on advancing the state-of-the-art in LLM evaluation and ensuring rigorous, repeatable assessments.

Cohere London, United Kingdom

Hybrid Permanent

AI Research Engineer

This role involves building, evaluating, and improving AI systems across large language models, agentic workflows, and computer vision. You'll work closely with engineering and product teams to develop robust AI solutions for financial crime compliance, with significant ownership over AI development and the chance to influence product direction.

Rise Technical Recruitment London, United Kingdom £80,000 – £120,000 pa

Quant Researcher - ML - Selby Jennings

This role involves developing and deploying machine learning models for financial market predictions, building AI systems to extract information from financial documents, and contributing to data infrastructure. The position requires a strong quantitative background and experience in machine learning, statistical modeling, and data engineering.

eFinancialCareers London, United Kingdom

Quantitative Research Scientist - Systematic Trading

This role involves conducting original quantitative research to develop statistical and mathematical models for trading, using large, noisy datasets and proprietary infrastructure processing billions of market events daily. The scientist will translate research into production code, peer-review ideas, and explore unconventional approaches with potential investment value. The position emphasizes deep mathematical problem-solving, programming rigor, and collaboration in a research-driven, intellectually autonomous environment.

eFinancialCareers London, United Kingdom