Latest llm Jobs

Spotlight

ML Runtime Engineer (Mid-Level and Senior)

This role involves developing and optimizing the runtime stack for AI accelerators, focusing on integrating with open-source ML frameworks like PyTorch and vLLM. The engineer will work closely with hardware and software teams using a co-design approach to enable high-performance inference for large language models. Key responsibilities include building a high-performance runtime in Rust and supporting inference server integrations.

Fractile London, United Kingdom

Hybrid Permanent

Spotlight

Senior Machine Learning Scientist

This role involves developing and deploying custom machine learning and LLM-powered systems for customer feedback analysis, including fine-tuning, retrieval, summarisation, and agentic workflows. The scientist will lead experimentation, evaluation, and productionisation of models while mentoring team members and integrating cutting-edge AI research into real-world applications.

Chattermill London, United Kingdom

Remote Permanent

Applied Scientist - LLM, Alexa

This role involves advancing Alexa's conversational AI by researching and deploying large language models to improve reasoning, tool integration, and customer experience. The scientist will work across the full lifecycle from ideation to production, collaborating with engineers and product teams to solve complex NLP challenges. The work focuses on real-world ML systems that require both scientific rigor and scalable engineering.

Amazon Cambridge, United Kingdom

Hybrid Permanent

Research Scientist (Applied LLMs), London

This role involves advancing drug discovery through the application of Large Language Models (LLMs) in a cutting-edge AI environment. The Research Scientist will develop and refine LLM-driven approaches for complex biological and medical challenges, collaborating across disciplines to build transformative AI models. Work includes model development, training, and deployment, with a focus on innovation in computational biology and chemistry.

Isomorphic Labs London, United Kingdom

Hybrid Permanent

Senior AI/ML Engineer (LLM's / RAG Pipeline Development)

This role involves hands-on development and deployment of LLM-based applications into production environments, bridging the gap between AI/ML and production-grade software. You will work in a newly formed R&D team, contributing to modern AI approaches and shaping how data drives product capability in a fast-growing, market-leading company.

HAYS Specialist Recruitment Guildford, United Kingdom £85,000 – £125,000 pa

On-site Permanent

Senior Data Scientist – Turing (LLMs, Agents, Data & Scientific Reasoning)

As a Senior Data Scientist on the Turing team, you will develop and deploy AI systems, including large language models and agentic workflows, to accelerate scientific discovery. You will work with diverse biomedical datasets, collaborate with biologists and engineers, and contribute to the development of new computational methods for drug discovery.

Relation Therapeutics London, United Kingdom

On-site Permanent

Senior Data Scientist (LLMs, RAG, GCP & Agentic Systems)

Senior AI Engineer (LLMs, RAG & Agentic Systems) | £75,000 - £90,000 | London HybridAn award-winning and highly innovative organisation is looking to hire a Senior AI Engineer to join a growing AI and Data Science function delivering cutting-edge AI...

Robert Walters London, United Kingdom £75,000 – £90,000 pa

Machine Learning Scientist – Reasoning Systems & RL (LLMs / Agents)

As a Machine Learning Scientist, you will develop advanced AI systems to help scientists reason about complex biological problems. You will focus on building LLM-driven reasoning systems and intelligent agents using reinforcement learning, RLHF, and symbolic reasoning, working closely with computational scientists and biologists to integrate large-scale biomedical data and support target discovery.

Relation Therapeutics London, United Kingdom

On-site Permanent

AI Engineer - McGregor Boyall

Design and deploy production-grade AI systems on Microsoft Azure, focusing on LLMs, document intelligence, and enterprise search. Build scalable solutions using LangChain, RAG, and MLOps practices in a hybrid environment.

eFinancialCareers London, United Kingdom £85,000 pa

Hybrid Permanent

Senior Specialist Solutions Engineer (AI/ML)

As a Senior Specialist Solutions Engineer, you will guide customers in architecting production-grade ML applications on Databricks, provide advanced technical support, and serve as a trusted advisor for GenAI solutions. You will also drive community growth through thought leadership activities and mentorship.

Databricks London, United Kingdom

On-site Permanent

Senior Specialist Solutions Architect (AI/ML)

This role involves designing and implementing production-grade machine learning and AI workloads on the Databricks platform, with a strong focus on generative AI, including RAG architectures, agentic systems, and AI observability. The architect will guide enterprise customers through technical challenges, build MVPs, and influence product development by representing customer needs. They will also drive thought leadership through technical content, training, and public speaking.

Databricks London, United Kingdom

Hybrid Permanent

Software Engineering Manager - Machine Learning- Systematic Quant Fund

This role involves leading a team of experienced engineers to develop and maintain core machine learning infrastructure, including distributed model training, LLM hosting, and scalable deployment systems. You will drive technical direction and integrate advanced ML capabilities into high-stakes systems within a deeply technical environment.

eFinancialCareers London, United Kingdom

On-site Permanent

AI Data Associate - French, Artificial General Intelligence

The role involves maintaining strict confidentiality, working with various data types (text, speech, image, video), and delivering high-quality labelled data using in-house tools. You will contribute to improving Alexa's performance by evaluating and annotating data, while also supporting operational improvements and team processes.

Amazon London, United Kingdom

On-site Permanent

Senior AI Engineer X 2 (Agentic AI)

This role involves designing, building, and integrating AI applications into end-to-end workflows, embedding agentic AI into customer and operational processes, and collaborating with cross-functional teams to deliver robust, production-ready solutions. The focus is on turning emerging AI capabilities into practical, high-value implementations while ensuring reliability, resilience, and safety.

Adria Solutions Manchester, United Kingdom £70,000 – £85,000 pa

Hybrid Permanent

Senior AI Software Developer

This role involves designing, developing, and implementing AI-powered applications to modernize financial operations and improve customer experiences. You will work across the full software development lifecycle, integrating AI models, and collaborating with product, engineering, and business teams to deliver scalable solutions.

Noir Switzerland, United Kingdom £96,020 – £104,749 pa

Hybrid Permanent

Researcher, Training - London

As a Researcher on the Training team, you will focus on advancing large language models (LLMs) by designing new architectures, optimizing performance, and contributing to training infrastructure. You will work in a hybrid model, spending three days a week in the London office and collaborating with a team dedicated to pushing the boundaries of AI.

OpenAI London, United Kingdom

Hybrid Permanent