Latest research engineer Jobs

Research Engineer - Web Crawlers

This role involves building and operating large-scale, distributed web crawlers to source high-quality data for training frontier AI models. The engineer will solve challenges in content extraction, deduplication, and recrawl strategies, while designing pipelines for multilingual and multimedia content. They will also develop tooling for researchers to access and monitor crawled data efficiently.

ElevenLabs United Kingdom

Remote Permanent

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 processing massive datasets. The engineer will develop classifiers and quality filters, design deduplication and augmentation systems, and enable efficient data exploration. The work directly impacts model performance through high-quality, scalable data engineering and infrastructure innovation.

ElevenLabs United Kingdom

Remote Permanent

Research Engineer, Machine Learning (RL Velocity)

As a Research Engineer on the RL Velocity team, you will focus on building and improving the RL training infrastructure, identifying and removing bottlenecks, and partnering with researchers and engineering teams to enhance the efficiency and reliability of Anthropic's AI systems. This role involves high-leverage work that impacts the entire organization's ability to iterate and improve models quickly.

Anthropic London, United Kingdom £370,000 – £630,000 pa

Hybrid Permanent

Research Engineer, Pretraining

A Research Engineer on the Pretraining team will bridge cutting-edge AI research and large-scale systems engineering, focusing on advancing large language models through work in model architecture, training optimization, and data processing. The role involves deep collaboration across research and engineering, with hands-on contributions to the full stack—from low-level infrastructure to high-level model design. Key projects include optimizing attention mechanisms, scaling distributed training, and improving model interpretability.

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

On-site Permanent

Senior Research Engineer - Interactive Avatars

This role involves developing advanced AI models for interactive avatars, focusing on diffusion-based video generation conditioned on audio, motion, and user interaction. The engineer will work on real-time, long-form video synthesis, improving lip-sync and motion realism, and building evaluation systems to ensure high visual quality. The position bridges cutting-edge research and product deployment within a fast-moving AI video platform.

Synthesia London, United Kingdom

Remote Permanent

Principal Research Engineer

Lead the end-to-end technical direction of offline video generation for a leading AI video platform, driving large-scale generative model development from pre-training through post-training. Bridge research and product by solving cross-cutting technical challenges in training stability, data pipelines, and alignment. Coach engineers, shape team processes, and accelerate the deployment of state-of-the-art avatar video models at scale.

Synthesia London, United Kingdom

Remote Permanent

Alignment Red Team - Research Engineer/Research Scientist

This role involves researching and developing methods to detect misalignment in advanced AI systems, conducting pre- and post-deployment evaluations, and sharing findings with AI companies and governments. You will also contribute to public research and build software tools to improve alignment testing.

AI Security Institute London, United Kingdom

Misuse Red Team - Research Engineer/Research Scientist

This role involves researching and developing novel attack vectors against large language model safeguards, including automated jailbreaking, data poisoning, and misuse of AI agents. The researcher will design and run experiments, build scalable evaluation tooling, and collaborate with frontier AI labs to identify and mitigate vulnerabilities. Work focuses on advancing the security of frontier AI systems through technical red teaming and publishing impactful findings.

AI Security Institute London, United Kingdom

On-site Permanent Clearance Required

Senior / Research Associate - Language Modelling

Conducts cutting-edge research in language modelling within a multidisciplinary team, focusing on sovereign AI capabilities for national resilience and public benefit. The role involves leading research initiatives, publishing high-impact papers, securing funding, and mentoring junior researchers. Work spans model training, fine-tuning, evaluation, and ethical deployment in collaboration with internal and external stakeholders.

The Alan Turing Institute London, United Kingdom £45 – £58 pa

Contract

Machine Learning Engineer (Synthetic Data)

Build and scale next-generation world models to generate high-fidelity synthetic data for autonomous driving systems. Bridge research and engineering by integrating synthetic data into training pipelines, improving realism and throughput. Work on generative architectures like GAIA, diagnose 3D geometry failures, and enable training for vehicles with minimal real-world data.

Wayve London, United Kingdom

Applied Scientist/Machine Learning Engineer Gaia

Develop next-generation generative world models and interactive simulation systems to enable closed-loop training and evaluation of autonomous driving agents. Focus on high-efficiency, real-time rollouts with strong physics fidelity and scalability, integrating models into production pipelines to bridge sim-to-real gaps. Work at the intersection of ML research and deployment in a fast-paced, interdisciplinary environment.

Wayve London, United Kingdom

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

Lead a team of applied scientists focused on computer vision and machine learning, developing production-grade models for document understanding, vision-language systems, and efficient on-device inference. Work at the intersection of research and product, advancing state-of-the-art techniques like distillation and quantisation while shipping models into global identity verification systems used by banks and fintechs.

Entrust London, United Kingdom

On-site Permanent

Researcher, Frontier Risk Mitigations

This role involves identifying and mitigating emerging AI safety risks, developing new methodologies, and collaborating with experts across various domains to ensure the safety and alignment of OpenAI’s AI systems. The researcher will play a critical role in defining best practices and evaluating the robustness of safety systems.

OpenAI 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