Latest Research Jobs

Spotlight

Senior Machine Learning Scientist

This role involves developing and deploying custom machine learning and LLM-powered systems for customer feedback analysis, including fine-tuning, retrieval, summarisation, and agentic workflows. The scientist will lead experimentation, evaluation, and productionisation of models while mentoring team members and integrating cutting-edge AI research into real-world applications.

Chattermill London, United Kingdom

Remote Permanent

Spotlight

ML Runtime Engineer (Mid-Level and Senior)

This role involves developing and optimizing the runtime stack for AI accelerators, focusing on integrating with open-source ML frameworks like PyTorch and vLLM. The engineer will work closely with hardware and software teams using a co-design approach to enable high-performance inference for large language models. Key responsibilities include building a high-performance runtime in Rust and supporting inference server integrations.

Fractile London, United Kingdom

Hybrid Permanent

Research Assistant - Human Influence

The role involves designing and running studies to understand how frontier AI systems influence human attitudes and behavior, with a focus on risks to human agency and wellbeing. You will work closely with Research Scientists, conduct large-scale RCTs, and contribute to publications on topics like persuasion, manipulation, and human-AI relationships.

AI Security Institute London, United Kingdom

On-site Contract Part-time

Research Engineer/Research Scientist – Model Transparency

This role involves researching and developing methods to ensure the reliability of AI system evaluations and monitoring, focusing on model transparency. You will work on cutting-edge projects, collaborate with leading AI labs and government officials, and contribute to the safety and alignment of advanced AI systems.

AI Security Institute London, United Kingdom

On-site Permanent

Research Scientist

As a Research Scientist at PhysicsX, you will collaborate with machine learning and simulation engineers to translate complex physics and engineering challenges into mathematical models. Your work will involve building and optimizing AI-driven simulations, communicating results to stakeholders, and mentoring junior colleagues. This role offers the opportunity to work on cutting-edge projects that push the boundaries of engineering and manufacturing.

PhysicsX London, United Kingdom

On-site Permanent

Research Scientist, Wayve Labs

As an Applied Scientist at Wayve Labs, you will work on cutting-edge AI systems for autonomous driving, focusing on areas like world modeling, reinforcement learning, and spatial intelligence. Your role involves developing and deploying advanced ML models, conducting empirical research, and contributing to the team's long-term goals in embodied AI.

Wayve London, United Kingdom

On-site Permanent

Research Scientist

As a Research Scientist at PhysicsX, you will collaborate with machine learning and simulation engineers to develop AI-driven models for predicting physical system behavior. Your role involves translating complex engineering challenges into mathematical formulations, building and optimizing machine learning models, and communicating results to both technical and non-technical audiences. You will also mentor junior colleagues and contribute to the publication of your work in academic and industry venues.

PhysicsX North Tyneside, NE29 8EP, United Kingdom

Hybrid Permanent

Research Scientist (Applied LLMs), London

This role involves advancing drug discovery through the application of Large Language Models (LLMs) in a cutting-edge AI environment. The Research Scientist will develop and refine LLM-driven approaches for complex biological and medical challenges, collaborating across disciplines to build transformative AI models. Work includes model development, training, and deployment, with a focus on innovation in computational biology and chemistry.

Isomorphic Labs London, United Kingdom

Hybrid Permanent

Research Scientist (Machine Learning), London

A Research Scientist in Machine Learning will develop novel deep learning models and algorithms to advance drug discovery at Isomorphic Labs. The role involves interdisciplinary collaboration with scientists and engineers to design, train, and scale AI systems that model complex biological and chemical problems. The position emphasizes innovation in model architecture, experimentation, and the application of cutting-edge machine learning to accelerate the development of life-changing medicines.

Isomorphic Labs London, United Kingdom

Hybrid Permanent

Research Engineer, RL Scaling Science

This role involves designing and running large-scale reinforcement learning experiments to understand scaling effects across model size, compute, and task horizon. The engineer will build benchmarks for long-horizon RL, debug system-level issues at the research-infrastructure boundary, and translate validated findings into production training recipes. Work is highly collaborative, sitting at the intersection of empirical research and large-scale systems engineering.

Anthropic London, United Kingdom £375,000 – £640,000 pa

Hybrid Permanent

Research Assistant Tissue Profiling (12 Months)

This role involves processing and profiling patient tissue samples using advanced functional genomics techniques including bulk RNA-seq, single-cell, and spatial transcriptomics. The candidate will support drug discovery by generating high-quality biological data within a collaborative, interdisciplinary team that integrates wet-lab experimentation with computational analysis. Emphasis is placed on accurate sample handling, NGS library preparation, and maintaining rigorous laboratory documentation and operations.

Relation Therapeutics London, United Kingdom

On-site Permanent

Research Data Scientist

As a Research Data Scientist at dunnhumby, you will work on developing and implementing advanced machine learning and statistical techniques to solve complex business problems. Your day-to-day responsibilities will include creating new science-based solutions, performing data analysis, and collaborating with cross-functional teams to deliver innovative solutions for global retailers and brands.

dunnhumby London, United Kingdom

On-site Permanent

Research Engineer

As a Research Engineer, you will work at the intersection of research and engineering, developing and deploying ML and computational systems to support rapid experimentation and improve research workflows. You will collaborate with interdisciplinary teams, tackle challenges involving large datasets and complex models, and optimize our hybrid on-prem/cloud environment.

Relation Therapeutics London, United Kingdom

On-site Permanent

Research Engineer, Machine Learning (Reinforcement Learning)

This role involves collaborating with researchers and engineers to advance the capabilities and safety of large language models through reinforcement learning. Responsibilities include developing core RL infrastructure, designing novel training environments, and optimizing performance across the stack.

Anthropic London, United Kingdom

On-site Permanent

Research Engineer Intern

This role involves designing mathematical models and building Python-based tools to support property decision intelligence. The intern will analyze large datasets, develop AI-driven solutions, and create prototypes for pricing and investment models. Work spans data science, engineering, and product development with direct founder mentorship and significant ownership.

Bowleys W114Uh, W11 4UH, United Kingdom

Hybrid Internship

Researcher, Training - London

As a Researcher on the Training team, you will focus on advancing large language models (LLMs) by designing new architectures, optimizing performance, and contributing to training infrastructure. You will work in a hybrid model, spending three days a week in the London office and collaborating with a team dedicated to pushing the boundaries of AI.

OpenAI London, United Kingdom

Hybrid Permanent

Staff Research Engineer - Video Post Training

Synthesia is the world’s leading AI video platform for business, used by over 90% of the Fortune 100. Founded in 2017, the company is headquartered in London, with offices and teams across Europe and the US.As AI continues to shape...

Synthesia London, United Kingdom £50,000 pa

Remote Permanent