Latest research engineer Jobs

Spotlight

ML Systems Engineer

Develop and maintain a software 'digital twin' to model and benchmark a high-speed knowledge layer for agentic AI systems. Design and run experiments to evaluate performance improvements from semantic memory, using GraphRAG and enterprise knowledge graphs, while aligning software models with hardware development. Produce rigorous benchmarks and evidence for technical validation, fundraising, and pilot support.

IC Resources Edinburgh, United Kingdom

On-site Permanent

Research Engineer

About ElevenLabsElevenLabs is an AI research and product company transforming how we interact with technology.We launched in January 2023 with the first human-like AI voice model. Today, we serve millions of users and thousands of businesses - from fast-growing startups...

ElevenLabs United Kingdom

Remote Permanent

Research Engineer (LLM Performance), London

This role involves advancing large language models for drug discovery by optimizing post-training methods, scaling frontier AI systems, and solving performance bottlenecks in distributed training and inference. The engineer will collaborate with interdisciplinary teams to translate research into production-ready systems, applying low-precision techniques and performance optimization strategies to real-world drug design challenges. Work focuses on improving model efficiency and scalability within a mission-driven environment combining AI and computational biology.

Isomorphic Labs London, United Kingdom

Research Engineer – Human Influence

The Research Engineer role involves working on the Human Influence team to develop and validate large-scale evaluation pipelines, design reinforcement learning environments, and build systems to mitigate AI risks. Projects include human-AI interaction studies, model capability benchmarks, and interpretability methods.

AI Security Institute London, United Kingdom

Research Engineer - Inference

The role involves deploying and optimizing cutting-edge AI models for real-time inference, focusing on performance, reliability, and scalability. You'll work across the stack to improve latency, throughput, and cost efficiency, building high-performance serving systems and tooling that bridge research and production. The position emphasizes autonomous problem-solving and deep optimization in GPU and ML infrastructure environments.

ElevenLabs United Kingdom

Remote 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 with research and engineering teams, focusing on empirical science to advance steerable and safe AI systems.

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 £260,000 – £630,000 pa

On-site Permanent

Research Data Engineer

Design and build scalable data systems for multi-modal scientific data, enabling efficient analysis and machine learning in a high-performance research environment. Focus on data pipeline architecture, storage optimization, and seamless integration between wet lab and ML teams. Work across cloud-native infrastructure to support large-scale, GPU-intensive model training and rapid iteration.

Relation Therapeutics London, United Kingdom

Hybrid Permanent

Staff Research Engineer - Multimodal Generative Modelling

This role involves advancing multimodal generative models that enable natural, real-time interactive conversations combining voice, text, and video. The engineer will lead research in streaming, low-latency systems, design novel architectures using diffusion and neural codecs, and ship end-to-end models into production. Emphasis is placed on emotional expressiveness, conversational realism, and tight integration across audio-visual modalities.

Synthesia London, United Kingdom

Remote Permanent

Senior Research Engineer - Data

This role focuses on building and enhancing large-scale data pipelines for AI model training, working with vast video and audio datasets to improve data quality, curation, and annotation. The position bridges applied research and data engineering, collaborating closely with model teams to extract meaningful features and drive performance gains. It emphasizes clean, maintainable code and influence over long-term data infrastructure strategy.

Synthesia London, United Kingdom

Remote 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

Control Red Team - Research Engineer/Research Scientist

This role involves designing and running machine learning experiments to evaluate the effectiveness of AI control measures, such as monitors and sandboxes, by developing adversarial attacks and conducting security analyses. The work combines empirical research with real-world testing of frontier AI systems, using LLMs to automate evaluation loops and building scalable infrastructure for high-quality, reusable results. The position is embedded within a red team focused on identifying vulnerabilities in AI safety systems to inform both developers and government policy.

AI Security Institute London, United Kingdom

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

Senior Machine Learning Research Engineer

This role involves building and scaling generative and predictive machine learning models for cellular behaviour using multi-omic and interventional biological data. The engineer will implement large neural networks, optimise distributed training and inference pipelines, and collaborate closely with ML scientists and biologists to translate research into production-grade systems. Work focuses on robust infrastructure development, performance optimisation, and integrating cutting-edge ML tooling within an interdisciplinary team.

Relation Therapeutics London, United Kingdom

Permanent

Member of Technical Staff, Integration/RL Team (Research Engineer)

This role involves developing and scaling machine learning algorithms and infrastructure for large-scale, distributed reinforcement learning. You will design and implement high-performance software, optimize post-training algorithms, and collaborate with engineering and scientific teams to enhance the quality of the post-training codebase.

Cohere London, United Kingdom

Remote Permanent

Senior Machine Learning Engineer - National Security (TIRE)

Develop and deploy advanced machine learning and AI solutions for national security challenges in collaboration with cross-disciplinary teams. Lead technical projects, build production-ready systems, and mentor junior staff. Work involves rapid prototyping, deploying scalable models, and translating research into operational capabilities with real-world impact.

The Alan Turing Institute Cheltenham, South West England, United Kingdom £57 – £62 pa

Contract