Latest Research Scientist Jobs

Research Engineer - Data Infrastructure

This role involves building and maintaining large-scale data infrastructure to support cutting-edge AI models, with a focus on data pipelines, curation strategies, and tooling for training high-quality models. The engineer will work on data processing, filtering, and transformation systems, as well as develop classifiers and labeling models to improve data quality. The position emphasizes autonomous problem-solving and close collaboration with research teams in a fast-paced, AI-first environment.

ElevenLabs United Kingdom
Remote Permanent

Research Engineer, Pretraining Scaling - London

This role involves owning critical parts of Anthropic's production pretraining pipeline for large language models, focusing on reliability, performance optimization, and debugging across hardware, networking, and training dynamics. The engineer will run experiments to improve training efficiency, respond to incidents during model launches, and collaborate closely with research and systems teams. It’s a high-impact, operational role blending deep technical engineering with empirical research in a fast-paced, safety-focused AI environment.

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

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 that emerge at scale, and translate validated research findings directly into production training pipelines. The position sits at the intersection of research and systems engineering, requiring deep empirical rigor and close collaboration with both research and infrastructure teams.

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

Staff Research Engineer - Multimodal Generative Modelling

This role involves developing advanced multimodal generative models that enable natural, real-time conversational interactions by integrating text, voice, and video. The engineer will lead research and implementation of low-latency, emotionally expressive AI systems, working across pretraining, post-training, and production deployment. Key focus areas include neural codecs, diffusion models, and streaming architectures to enhance realism and interactivity in Synthesia's AI video platform.

Synthesia London, United Kingdom
Remote Permanent
Synthesia logo

Senior Research Engineer - Data

This role focuses on building and enhancing large-scale data pipelines for generative AI models, working with vast amounts of video and audio data to improve model performance through data quality, curation, and feature extraction. The position bridges applied research, data engineering, and ML infrastructure, collaborating closely with model training teams to deliver high-impact datasets. It emphasizes ownership in shaping data strategy and infrastructure within a fast-moving AI research environment.

Synthesia London, United Kingdom
Remote Permanent
City St George's, University of London logo

Postdoctoral Research Associate - AI

This role involves leading the technical aspects of an interdisciplinary research project evaluating AI chatbot responses to scenarios of coercive control and non-physical domestic abuse. The postholder will design and implement a reproducible evaluation framework for large language models, develop automated tools for data collection and analysis, and collaborate with experts in criminology and clinical practice. The work aims to generate evidence for policy and responsible AI development, with a strong focus on real-world safeguarding concerns.

City St George's, University of London London, United Kingdom
Contract

Senior Research Fellow on Web 3.0 and AI

Conducts independent, high-quality research on Metaverse, AI, Web 3.0, and blockchain technologies with a focus on business and supply chain applications. Contributes to an interdisciplinary academic-industry research ecosystem, supports postgraduate researchers, and helps secure new research funding. Engages in knowledge exchange and collaborative projects within the Blockchain and Supply Chain Research Group.

University of Southampton Southampton, South East England, United Kingdom £46 pa
Contract
Darktrace logo

Threat Research Analyst

The role involves in-depth analysis of cyber threats, malware, and adversary TTPs using data science and analytical techniques. You'll proactively hunt for emerging threats, develop detection methodologies, produce threat intelligence reports, and collaborate with research and product teams. The position emphasizes turning complex data into actionable insights and contributing to public-facing research and conferences.

Darktrace Cambridge, CB2 3BJ, United Kingdom

Graduate AI Research Assistant

This role involves supporting AI research projects by assisting with data collection, algorithm development, and experimental analysis under the guidance of senior researchers. The candidate will contribute to research outputs such as reports and publications while receiving structured training and mentorship. It is a research-focused position emphasizing collaboration, ethical AI practices, and professional growth in a supportive environment.

Global Tech Recruitment London, United Kingdom £36,000 – £38,000 pa
On-site Permanent

Assistant Professor in Robotics and Artificial Intelligence (Research and Education)

This role involves conducting innovative research and teaching in robotics and artificial intelligence within a mechanical engineering context. The postholder will lead in course development, supervise students at undergraduate and postgraduate levels, and pursue external research funding. The position emphasizes real-world engineering solutions, interdisciplinary collaboration, and contributing to an inclusive academic environment.

University of Birmingham Birmingham, Midlands Of England, United Kingdom £47 – £56 pa
Permanent

Senior Researcher in AI Technology and Ultrasound Video Analysis

Develop AI models for ultrasound video analysis and thrombus prediction within the Horizon Europe ThrombUS+ project. Focus on automated segmentation, vascular structure detection, vein compressibility analysis, and DVT risk estimation using deep learning and computer vision techniques. Work within a multidisciplinary team at the University of Derby’s Data Science Research Centre.

University of Derby Derby, Midlands Of England, United Kingdom £46 – £56 pa
Contract

Developer Experience Engineer

The role involves designing, building, and maintaining open-source SDKs and developer tools to enhance the adoption and usability of ElevenLabs' AI audio and agent platforms. The engineer will act as 'customer zero' for new developer products, contribute to API design, and create technical content to support developer engagement. This is a hands-on role focused on improving the end-to-end developer experience across multiple programming languages and platforms.

ElevenLabs London, United Kingdom
Remote Permanent
OpenAI logo

Software Engineer, Cloud Infrastructure

This role involves designing and building scalable development and production platforms that power OpenAI's core products like ChatGPT and the API. The engineer will work on Kubernetes clusters, cloud abstractions, networking, and infrastructure deployment systems, ensuring reliability, security, and scalability. The position includes on-call responsibilities and emphasizes a culture of inclusion, safety, and technical excellence in a fast-paced environment.

OpenAI London, United Kingdom
Permanent
OpenAI logo

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

Infrastructure Team Lead

Lead the infrastructure team responsible for maintaining and improving systems that support AI research and development, including GPU clusters and internal engineering services. Drive technical strategy, operational stability, and team development through automation, infrastructure-as-code, and vendor management. Focus on reliability, scalability, and reducing operational toil in a Linux-based, distributed systems environment.

Speechmatics Cambridge, United Kingdom