Latest AI Research Scientist Jobs

Principal Machine Learning Engineer

This role involves deploying and scaling machine learning models for high-fidelity engineering simulations, working directly with customers to integrate AI into production environments. The Principal ML Engineer will lead technical architecture, build robust data and inference pipelines using Python, PyTorch, and Kubeflow, and mentor teams across global customer sites. The position bridges advanced physics-based challenges with practical AI solutions in industries like aerospace, energy, and semiconductors.

PhysicsX United Kingdom

Hybrid Permanent

Senior Machine Learning Engineer

A Senior Machine Learning Engineer will lead the deployment of AI models into production environments for engineering and physics simulations, working closely with customers and cross-functional teams. The role involves building scalable ML pipelines, mentoring engineers, and traveling to client sites globally. The position operates at the intersection of data science and software engineering, focusing on real-world impact in advanced industries.

PhysicsX London, United Kingdom

Senior Solutions Architect, Higher Education and Research - Open Models and LLM

Act as a trusted technical advisor to academic and research institutions, driving the adoption of NVIDIA's AI and accelerated computing technologies. Collaborate on large-scale research projects involving LLMs and HPC, integrate NVIDIA software stacks into scientific workflows, and translate research needs into prototypical solutions. Deliver training, mentor power users, and provide feedback to engineering teams to shape future technology.

NVIDIA

Senior Solutions Architect, Higher Education and Research - Open Models and LLM

Act as a trusted technical advisor to academic and research institutions, driving adoption of NVIDIA's AI and accelerated computing technologies. Collaborate on large-scale research projects involving LLMs and HPC, develop prototypical solutions, deliver technical training, and bridge gaps between researcher needs and NVIDIA's platform capabilities. Engage with cutting-edge AI workloads across training, fine-tuning, and inference, while providing direct feedback to engineering teams.

NVIDIA

Staff Software Engineer (Inference Platform), London

Design and optimize large-scale AI/ML infrastructure for biotech research, focusing on GPU/TPU systems, Kubernetes orchestration, and inference platform reliability. Build robust monitoring, CI/CD, and job scheduling systems to support high-throughput model serving and digital biology breakthroughs.

Isomorphic Labs London, United Kingdom

On-site Permanent

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

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

Senior Research Engineer - Interactive Avatars

Develop and advance AI-driven interactive avatars using diffusion models, focusing on real-time video generation, audio conditioning, and contextual responsiveness. Work within a research-forward team to translate cutting-edge generative AI into scalable product features. Responsibilities include improving lip-sync accuracy, motion realism, and building evaluation frameworks for long-form interactive video.

Synthesia London, United Kingdom

Remote Permanent

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

AI Infrastructure Associate Engineer (3 x FTE)

You will work on building and operating the infrastructure and compute platforms for the Isambard-AI supercomputing centre, collaborating with researchers to design and optimize systems for leading-edge AI research. The role involves using tools like Python, Rust, Kubernetes, and Terraform to manage large-scale, highly available services.

University of Bristol Bristol, South West England, United Kingdom £44 – £50 pa

Permanent

Regional Research Economist, Economic Research

This role involves conducting empirical economic research to understand AI's impact on labor markets, productivity, and economic transformation across a specific region. The economist will develop and expand the Anthropic Economic Index using novel measurement systems like Clio, applying advanced econometric and machine learning methods. They will collaborate with governments, academia, and policy institutions to translate research into actionable insights and influence both public policy and internal business decisions.

Anthropic London, United Kingdom £195,000 – £245,000 pa

Hybrid Permanent

Applied AI Engineer, Codex Core Agent

This role involves improving the performance of Codex agents on real-world software engineering tasks, working closely with research, infrastructure, and product teams. Responsibilities include designing agent behaviors, evaluating performance, enhancing robustness, and building feedback loops to improve agent reliability and usefulness.

OpenAI London, United Kingdom

Permanent

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

Applied AI Engineer, Quants

This role involves working directly with quantitative investment and trading firms to apply OpenAI’s models and Codex to their research and development workflows. Responsibilities include identifying valuable opportunities, building and deploying AI systems, and guiding technical decisions to ensure production readiness and customer impact.

OpenAI London, United Kingdom

Hybrid Permanent