Latest research Jobs

Research Leader (DMPK), Cambridge, MA

Leads DMPK strategy in drug discovery projects, integrating AI-first approaches to optimize ADME and toxicology models. Designs screening cascades and interprets DMPK, PD, and safety data to guide candidate selection. Collaborates with chemistry, pharmacology, and AI teams to advance molecules from hit identification to clinical development.

Isomorphic Labs Cambridge, United Kingdom

Research Leader (Toxicology), Cambridge, MA

Lead toxicology strategy for drug discovery projects using an AI-first approach, guiding safety assessment from early discovery to regulatory submission. Develop predictive toxicology models in collaboration with machine learning teams and external CROs. Mentor team members and contribute to reducing animal testing through innovative, data-driven methodologies.

Isomorphic Labs Cambridge, United Kingdom

Research Associate: Medical Imaging AI - CAPTURE-PH RAIDA

This role involves refining and retraining existing cardiothoracic CT AI models to ensure they operate robustly across multiple clinical datasets. You will tackle issues like scanner heterogeneity, data quality, and model failure modes, and develop reproducible validation workflows. The position is part of the CAPTURE-PH programme, focusing on medical imaging AI for pulmonary hypertension.

University of Sheffield Sheffield, Hybrid, Northern England, United Kingdom £41 pa

Contract

Research Assistant in Agentic AI Security

The role involves researching and developing security measures for AI coding assistants and automated code review agents. Responsibilities include implementing proof-of-concept attacks and defenses, curating vulnerable-code datasets, and contributing to academic and industry publications.

Queen's University Belfast Belfast, United Kingdom £36 – £41 pa

On-site Contract

Research Engineer - Inference

The role involves deploying and optimizing cutting-edge AI models for real-time inference in production environments. You'll focus on improving latency, throughput, and cost efficiency across the full serving stack, from model architecture to custom kernels and orchestration. The position emphasizes building high-performance systems and tooling to enable rapid, reliable deployment of AI models at scale.

ElevenLabs United Kingdom

Remote Permanent

Research Engineer - Web Crawlers

Build and scale distributed web crawlers to source high-quality, multilingual data from the open web for training frontier AI models. Design targeted pipelines for audio, video, and text, and develop tooling for researchers to monitor and access crawled data efficiently. Focus on reliability, content extraction, deduplication, and compliance at web scale.

ElevenLabs United Kingdom

Remote Permanent

Research Fellow: AI for Molecular Modelling – 16961

This role involves developing computational and AI-driven methods to predict species sensitivity to endocrine-disrupting chemicals by modelling protein structures and analysing protein-ligand interactions. The researcher will work on a UKRI NERC-funded project, integrating molecular modelling with machine learning and collaborating with experimental teams. The position focuses on nuclear receptor families across vertebrates, aiming to identify molecular determinants of chemical sensitivity.

Brunel University London London, United Kingdom £41 – £43 pa

Hybrid Contract

Research Fellow in AI-Assisted Formal Verification

Conduct research at the intersection of formal verification, AI, and cybersecurity, focusing on developing a formally-verified reference monitor for secure AI agent containment using Isabelle/HOL and seL4. Develop AI-driven proof automation tools to enhance and maintain large-scale formal verification projects. Work within a collaborative international team across Sheffield, Surrey, and Melbourne.

University of Sheffield Sheffield, Hybrid/on-Site, Northern England, United Kingdom £48 – £51 pa

Contract

Research Fellow in Machine Learning Assisted Choice Modelling

This role involves developing AI-assisted methods for specifying, estimating, and validating discrete choice models. You will lead methodological research, develop open-source software, and collaborate with researchers across various fields, focusing on interpretable AI processes that complement econometric theory and domain expertise.

University of Leeds Leeds, Northern England, United Kingdom £41 – £48 pa

Contract

Research Engineer, Machine Learning (Reinforcement Learning)

This role involves advancing reinforcement learning in large language models, focusing on developing agentic systems for computer use, code generation, and reasoning. The engineer will build scalable RL infrastructure, design training environments, and collaborate across research and engineering to implement safety and performance improvements at scale.

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

Research Engineer, Machine Learning (RL Velocity)

This role involves building and optimizing the machine learning infrastructure that supports Anthropic’s reinforcement learning research. You'll work closely with researchers to improve training efficiency, debug performance bottlenecks, and develop tooling that accelerates model development. The position focuses on high-leverage platform improvements that scale across the entire research team.

Anthropic London, United Kingdom £370,000 – £630,000 pa

Research Associate for Machine Learning Modelling for Next-Level Fast Nonlinear Wave-Structure Interaction

Develop fast, physically interpretable models for nonlinear wave-structure interaction on floating offshore platforms using analytical and computational hydrodynamics, BEM, and reduced-order modelling. Integrate machine learning where beneficial and validate models using numerical, experimental, and field data. Collaborate with academic and industrial partners and contribute to publications and postgraduate supervision.

The University of Manchester Manchester, Northern England, United Kingdom £37 – £46 pa

Contract

Research Advisor - Human Frontier Collective (UK)

This role involves providing expert-level consultancy and strategic input to shape the development and evaluation of advanced generative AI systems. As a Research Advisor in the Human Frontier Collective, you'll collaborate on high-impact research, contribute to technical publications, and help design frameworks that translate domain expertise into AI model evaluation. The position offers flexible, part-time engagement with an interdisciplinary network of top-tier researchers and professionals.

Scale AI United Kingdom £300 pa

Remote Contract Part-time

Researcher, Training - London

A research-focused role advancing large language model development through architecture innovation, optimization, and scaling. The position involves designing and evaluating novel model architectures, debugging training regressions, and improving both model and computational performance. Work is integrated within a hybrid (3 days in-office) setup in London, contributing to core training infrastructure and flagship AI systems.

OpenAI London, United Kingdom

Hybrid 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