Latest Research Scientist Jobs

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

Principal Research Engineer

Lead end-to-end technical development of large-scale generative video models, spanning pre-training and post-training stages, with direct impact on product. Bridge research and engineering to accelerate the deployment of cutting-edge avatar video generation. Focus on building high-resolution, long-form human-centric video models using proprietary data pipelines and distributed training infrastructure.

Synthesia London, United Kingdom

Remote 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

Detection Engineer

The role involves building and maintaining security detection and incident response capabilities, with a focus on automation and scaling through AI. You'll develop and tune detection rules, investigate alerts, and enhance security monitoring across cloud, endpoint, and SaaS environments. The position emphasizes proactive threat detection, response orchestration, and integration of security tooling across GCP, Chronicle (SecOps), and enterprise platforms.

ElevenLabs London, United Kingdom

Hybrid Permanent

IT Engineer

The IT Engineer will play a key technical role in scaling ElevenLabs' global IT infrastructure during a period of rapid growth. Responsibilities include managing identity systems, endpoint security, office networks, and compliance, while automating IT processes across a distributed environment. The role works closely with Security and Operations to ensure secure, reliable, and productive systems for a globally remote workforce.

ElevenLabs London, United Kingdom

Hybrid Permanent

Training, Process Management Engineer

This role involves building and maintaining the distributed operating system that orchestrates and monitors large-scale machine learning workloads across OpenAI’s supercomputers. You'll work primarily in Rust to develop high-performance, asynchronous systems that ensure reliable, observable, and scalable training runs—from small experiments to massive distributed jobs. The position focuses on solving novel challenges in system reliability, performance optimization, and rapid debugging at an unprecedented scale.

OpenAI London, United Kingdom

Hybrid Permanent

Technical Threat Investigator, Threat Intel Engineering - UK

Conducts in-depth investigations into sophisticated threat actors exploiting OpenAI's models and infrastructure, with a focus on identifying and disrupting malicious use in cyber operations. Develops AI-assisted tooling and automation to scale detection and response capabilities. Translates technical findings into actionable intelligence for security and leadership teams across a global environment.

OpenAI London, United Kingdom

Remote Permanent

Senior Software Engineer 1 (MLOps)

We’re Aioi R&D Lab - an AI tech hub in one of the fastest-growing insurance companies. We research and develop AI systems that catapult insurance from a slow-moving, traditional past into a data-driven, technology-lead and society-defining future.We’re looking for dynamic,...

Aioi Nissay Dowa Europe Oxford, Oxfordshire, United Kingdom £81,322 – £112,488 pa

Staff Machine Learning Engineer

This role involves leading the development and deployment of production-grade machine learning systems, with a focus on fine-tuning large language models and building scalable inference infrastructure. The engineer will own the full ML lifecycle, from data pipelines to deployment, while mentoring teams and integrating AI solutions into products. The position bridges research and engineering in a remote-first, technically driven environment.

Hexwired Recruitment Limited United Kingdom £160,000 – £200,000 pa

Remote Permanent

AI Infrastructure Engineer, Serving Platform

Design and build scalable, fault-tolerant systems for serving large language models (LLMs) in both research and production environments. Develop internal platforms for LLM capability discovery and integration, with a focus on performance, observability, and system health. Collaborate closely with researchers and engineers to optimize model deployment and support cutting-edge AI applications.

Scale AI London, United Kingdom

Machine Learning Engineer, Global Public Sector

Design and build reliable, multi-step agentic systems for high-stakes government applications, focusing on AI safety, red-teaming, and model optimization in regulated environments. Develop novel architectures and evaluation frameworks to ensure sovereign AI systems are performant, unbiased, and production-ready at scale.

Scale AI United Kingdom

On-site Permanent Clearance Required

Principal Machine Learning Engineer

A Principal Machine Learning Engineer will lead technical innovation in speech AI by developing and deploying advanced machine learning models, translating research into scalable production systems. The role involves mentoring engineers, shaping long-term ML strategy, and solving complex modelling challenges across the organisation. Work spans distributed training, inference optimisation, and MLOps best practices within a hybrid working environment.

Speechmatics Cambridge, United Kingdom

Principal Machine Learning Engineer

Lead the development and deployment of advanced speech recognition models, bridging research and production. Drive technical vision, mentor engineering teams, and optimise large-scale ML systems for accuracy, speed, and scalability. Work across the full ML lifecycle with a focus on transformers, distributed training, and MLOps best practices.

Speechmatics London, United Kingdom

Hybrid Permanent

Junior Simulation Researcher

A Junior Simulation Researcher will use modelling, simulation, and data analysis to provide actionable insights into Ocado’s automated warehouse systems. The role involves close collaboration with stakeholders, designing experiments, analysing large datasets, and building tools to support decision-making in robotics and logistics. The position requires strong analytical, communication, and problem-solving skills within a research-driven engineering environment.

Ocado United Kingdom

AI Engineer - FDE (Forward Deployed Engineer)

Design and deploy production-grade generative AI applications in close collaboration with customers and internal teams. Focus on implementing cutting-edge GenAI solutions such as RAG, multi-agent systems, and fine-tuned models using frameworks like LangChain and HuggingFace. Work across the full lifecycle from prototyping to deployment, leveraging cloud platforms and advising on best practices in LLMOps and MLOps.

Databricks United Kingdom

Remote Permanent