Latest research engineer Jobs

Spotlight

ML Runtime Engineer (Mid-Level and Senior)

Design and develop high-performance ML runtime systems for AI accelerators, integrating with open-source frameworks like PyTorch and vLLM. Work closely with hardware and software teams in a co-design environment to optimize inference performance. Build low-level runtime components in Rust and contribute to the full stack of ML inference infrastructure.

Fractile 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 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 Scientist/Engineer - Multimodal AI & LLM

Research Scientist / Research Engineer - Multimodal AI & Large Language ModelsLocation: LondonSalary: £(phone number removed) per annum + permanent benefits + bonusJob Type: Permanent, Full-Time, On-siteAbout the OpportunityWe are partnering with an innovative research organisation at the forefront of...

Adecco London, United Kingdom

Research Data Engineer

Design and build scalable data systems to support multi-omics and machine learning workflows in a high-performance research environment. Focus on optimising data pipelines, storage layouts, and access patterns for efficient model training and scientific analysis across heterogeneous datasets.

Relation Therapeutics London, United Kingdom

Hybrid Permanent

Staff Research Engineer - Video Post Training

A Staff Research Engineer will work on advancing generative AI for synthetic human video creation, focusing on post-training techniques like DPO, model adaptation, lip-sync evaluation, and optimization of diffusion models. The role involves applied research to improve avatar realism and efficiency, bridging cutting-edge AI with real-world enterprise applications. Collaboration with a large R&D team and staying current with advancements in diffusion and adversarial models are key responsibilities.

Synthesia London, United Kingdom £50,000 pa

Remote Permanent

Staff Research Engineer - Multimodal Generative Modelling

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

Remote Permanent

Senior Robotics Research Engineer

This role involves developing advanced sensor-guided robotic manipulation systems for automated grocery fulfillment. The engineer will research, design, and implement real-time control algorithms and work on pre-production systems integrating robotics, AI, and IoT. Collaboration with research projects and production teams ensures innovation transitions smoothly into scalable solutions.

Ocado Welwyn Hatfield, AL8 6TP, United Kingdom

Hybrid Permanent

ML Research Engineer, London

This role involves developing and optimizing cutting-edge AI models at the intersection of machine learning and drug discovery. You'll work in a collaborative, interdisciplinary environment to translate research into scalable, production-ready systems, focusing on foundational models like Transformers, GNNs, and Diffusion models. The position emphasizes innovation in computational biology and chemistry, with a strong focus on robust codebases, data pipelines, and full-cycle ML development.

Isomorphic Labs London, United Kingdom

On-site Permanent

Founding Research Scientist / Research Engineer

Founding Research Scientist / Research EngineerAvanti is working with an early-stage frontier AI lab who are building AI that deeply understands people. They’re developing the missing layer between people and foundation models, enabling AI systems to develop a richer understanding...

Avanti London, United Kingdom £100,000 – £300,000 pa

Machine Learning Research Engineer

This is a fantastic opportunity to join market-leading UK AI company, Luminance. Named in Tech Nation’s prestigious Future Fifty list and the recipient of two Queen’s Awards, Luminance is the world’s most advanced AI technology which is disrupting the legal...

Luminance Cambridge, United Kingdom

Hybrid Permanent

Recruiter, AI/ML Research EMEA

This role involves strategic talent acquisition for OpenAI’s AI/ML research team in EMEA, focusing on identifying and engaging leading researchers and technical scientists. The recruiter will work closely with research staff to shape hiring strategies, anticipate talent needs, and influence decisions in a fast-evolving technical landscape. It emphasizes deep engagement with global research communities and proactive sourcing in highly specialized domains.

OpenAI London, United Kingdom

Hybrid Permanent

Expression of Interest- Red Team

The Red Team at the AI Security Institute conducts cutting-edge research to identify and stress-test vulnerabilities in advanced AI systems. The team collaborates closely with leading AI companies, UK officials, and allied governments to inform deployment, research, and policy decisions, focusing on alignment, misuse, and control of AI systems.

AI Security Institute London, United Kingdom £65,000 – £145,000 pa

On-site Permanent Clearance Required

Member of Technical Staff, Multilingual

This role involves advancing multilingual large language models through research and engineering, focusing on improving performance across diverse languages and NLP tasks. You'll design scalable systems, publish cutting-edge research, and mentor team members in a globally impactful AI initiative. The position emphasizes technical rigor, innovation in language technology, and collaboration within a world-class team.

Cohere London, United Kingdom

Remote Permanent

Applied Scientist Lead - Computer Vision

As an Applied Science Manager, you will lead a team of 6 applied scientists in developing and deploying vision-language models for data extraction and tiny models for mobile devices. Your role involves defining the team's roadmap, staying current with ML literature, and contributing to the development lifecycle while pushing the boundaries of research in areas like document understanding and efficient ML.

Entrust London, United Kingdom

On-site Permanent

General Application - Register Your Interest

This role invites expressions of interest for future opportunities across software engineering, machine learning, computational chemistry, and technical program management. Candidates will contribute to a mission-driven team leveraging cutting-edge AI to accelerate drug discovery and advance digital biology. The work involves interdisciplinary collaboration to build and apply AI models for transformative impact in medicine.

Isomorphic Labs United Kingdom

Hybrid Permanent